September 11, 2021
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/* |
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This code has been written by MinakoKojima, feel free to ask me question. Blog: https://www.shuizilong.com/house |
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Template Date: 2015.10.12 |
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Note: … |
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*/ |
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#pragma comment(linker, "/STACK:36777216") |
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//#pragma GCC optimize ("O2") |
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#define LOCAL |
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#include <functional> |
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#include <algorithm> |
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#include <iostream> |
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#include <fstream> |
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#include <sstream> |
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#include <iomanip> |
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#include <numeric> |
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#include <cstring> |
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#include <climits> |
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#include <cassert> |
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#include <complex> |
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#include <cstdio> |
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#include <string> |
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#include <vector> |
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#include <bitset> |
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#include <queue> |
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#include <stack> |
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#include <cmath> |
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#include <ctime> |
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#include <list> |
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#include <set> |
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#include <map> |
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//#include <tr1/unordered_set> |
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//#include <tr1/unordered_map> |
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//#include <array> |
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using namespace std; |
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#define REP(i, n) for (int i=0;i<n;++i) |
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#define FOR(i, a, b) for (int i=a;i<b;++i) |
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#define DWN(i, b, a) for (int i=b-1;i>=a;–i) |
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#define REP_1(i, n) for (int i=1;i<=n;++i) |
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#define FOR_1(i, a, b) for (int i=a;i<=b;++i) |
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#define DWN_1(i, b, a) for (int i=b;i>=a;–i) |
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#define REP_C(i, n) for (int n____=n,i=0;i<n____;++i) |
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#define FOR_C(i, a, b) for (int b____=b,i=a;i<b____;++i) |
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#define DWN_C(i, b, a) for (int a____=a,i=b-1;i>=a____;–i) |
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#define REP_N(i, n) for (i=0;i<n;++i) |
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#define FOR_N(i, a, b) for (i=a;i<b;++i) |
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#define DWN_N(i, b, a) for (i=b-1;i>=a;–i) |
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#define REP_1_C(i, n) for (int n____=n,i=1;i<=n____;++i) |
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#define FOR_1_C(i, a, b) for (int b____=b,i=a;i<=b____;++i) |
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#define DWN_1_C(i, b, a) for (int a____=a,i=b;i>=a____;–i) |
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#define REP_1_N(i, n) for (i=1;i<=n;++i) |
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#define FOR_1_N(i, a, b) for (i=a;i<=b;++i) |
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#define DWN_1_N(i, b, a) for (i=b;i>=a;–i) |
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#define REP_C_N(i, n) for (int n____=(i=0,n);i<n____;++i) |
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#define FOR_C_N(i, a, b) for (int b____=(i=0,b);i<b____;++i) |
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#define DWN_C_N(i, b, a) for (int a____=(i=b-1,a);i>=a____;–i) |
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#define REP_1_C_N(i, n) for (int n____=(i=1,n);i<=n____;++i) |
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#define FOR_1_C_N(i, a, b) for (int b____=(i=a,b);i<=b____;++i) |
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#define DWN_1_C_N(i, b, a) for (int a____=(i=b,a);i>=a____;–i) |
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#define ECH(it, A) for (__typeof((A).begin()) it=(A).begin(); it != (A).end(); ++it) |
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#define rECH(it, A) for (__typeof((A).rbegin()) it=(A).rbegin(); it != (A).rend(); ++it) |
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#define REP_S(i, str) for (char*i=str;*i;++i) |
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#define REP_L(i, hd, suc) for (int i=hd;i;i=suc[i]) |
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#define REP_G(i, u) REP_L(i,hd[u],suc) |
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#define REP_SS(x, s) for (int x=s;x;x=(x-1)&s) |
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#define DO(n) for ( int ____n = n; ____n–>0; ) |
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#define REP_2(i, j, n, m) REP(i, n) REP(j, m) |
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#define REP_2_1(i, j, n, m) REP_1(i, n) REP_1(j, m) |
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#define REP_3(i, j, k, n, m, l) REP(i, n) REP(j, m) REP(k, l) |
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#define REP_3_1(i, j, k, n, m, l) REP_1(i, n) REP_1(j, m) REP_1(k, l) |
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#define REP_4(i, j, k, ii, n, m, l, nn) REP(i, n) REP(j, m) REP(k, l) REP(ii, nn) |
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#define REP_4_1(i, j, k, ii, n, m, l, nn) REP_1(i, n) REP_1(j, m) REP_1(k, l) REP_1(ii, nn) |
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#define ALL(A) A.begin(), A.end() |
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#define LLA(A) A.rbegin(), A.rend() |
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#define CPY(A, B) memcpy(A, B, sizeof(A)) |
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#define INS(A, P, B) A.insert(A.begin() + P, B) |
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#define ERS(A, P) A.erase(A.begin() + P) |
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#define LBD(A, x) (lower_bound(ALL(A), x) – A.begin()) |
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#define UBD(A, x) (upper_bound(ALL(A), x) – A.begin()) |
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#define CTN(T, x) (T.find(x) != T.end()) |
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#define SZ(A) int((A).size()) |
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#define PB push_back |
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#define MP(A, B) make_pair(A, B) |
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#define PTT pair<T, T> |
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#define Ts *this |
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#define rTs return Ts |
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#define fi first |
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#define se second |
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#define re real() |
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#define im imag() |
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#define Rush for(int ____T=RD(); ____T–;) |
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#define Display(A, n, m) { \ |
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REP(i, n){ \ |
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REP(j, m-1) cout << A[i][j] << " "; \ |
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cout << A[i][m-1] << endl; \ |
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} \ |
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} |
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#define Display_1(A, n, m) { \ |
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REP_1(i, n){ \ |
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REP_1(j, m-1) cout << A[i][j] << " "; \ |
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cout << A[i][m] << endl; \ |
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} \ |
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} |
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typedef long long LL; |
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//typedef long double DB; |
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typedef double DB; |
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typedef unsigned uint; |
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typedef unsigned long long uLL; |
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typedef vector<int> VI; |
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typedef vector<char> VC; |
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typedef vector<string> VS; |
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typedef vector<LL> VL; |
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typedef vector<DB> VF; |
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typedef set<int> SI; |
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typedef set<string> SS; |
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typedef map<int, int> MII; |
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typedef map<string, int> MSI; |
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typedef pair<int, int> PII; |
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typedef pair<LL, LL> PLL; |
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typedef vector<PII> VII; |
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typedef vector<VI> VVI; |
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typedef vector<VII> VVII; |
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template<class T> inline T& RD(T &); |
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template<class T> inline void OT(const T &); |
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//inline int RD(){int x; return RD(x);} |
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inline LL RD(){LL x; return RD(x);} |
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inline DB& RF(DB &); |
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inline DB RF(){DB x; return RF(x);} |
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inline char* RS(char *s); |
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inline char& RC(char &c); |
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inline char RC(); |
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inline char& RC(char &c){scanf(" %c", &c); return c;} |
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inline char RC(){char c; return RC(c);} |
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//inline char& RC(char &c){c = getchar(); return c;} |
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//inline char RC(){return getchar();} |
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template<class T> inline T& RDD(T &); |
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inline LL RDD(){LL x; return RDD(x);} |
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template<class T0, class T1> inline T0& RD(T0 &x0, T1 &x1){RD(x0), RD(x1); return x0;} |
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template<class T0, class T1, class T2> inline T0& RD(T0 &x0, T1 &x1, T2 &x2){RD(x0), RD(x1), RD(x2); return x0;} |
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template<class T0, class T1, class T2, class T3> inline T0& RD(T0 &x0, T1 &x1, T2 &x2, T3 &x3){RD(x0), RD(x1), RD(x2), RD(x3); return x0;} |
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template<class T0, class T1, class T2, class T3, class T4> inline T0& RD(T0 &x0, T1 &x1, T2 &x2, T3 &x3, T4 &x4){RD(x0), RD(x1), RD(x2), RD(x3), RD(x4); return x0;} |
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template<class T0, class T1, class T2, class T3, class T4, class T5> inline T0& RD(T0 &x0, T1 &x1, T2 &x2, T3 &x3, T4 &x4, T5 &x5){RD(x0), RD(x1), RD(x2), RD(x3), RD(x4), RD(x5); return x0;} |
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template<class T0, class T1, class T2, class T3, class T4, class T5, class T6> inline T0& RD(T0 &x0, T1 &x1, T2 &x2, T3 &x3, T4 &x4, T5 &x5, T6 &x6){RD(x0), RD(x1), RD(x2), RD(x3), RD(x4), RD(x5), RD(x6); return x0;} |
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template<class T0, class T1> inline void OT(const T0 &x0, const T1 &x1){OT(x0), OT(x1);} |
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template<class T0, class T1, class T2> inline void OT(const T0 &x0, const T1 &x1, const T2 &x2){OT(x0), OT(x1), OT(x2);} |
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template<class T0, class T1, class T2, class T3> inline void OT(const T0 &x0, const T1 &x1, const T2 &x2, const T3 &x3){OT(x0), OT(x1), OT(x2), OT(x3);} |
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template<class T0, class T1, class T2, class T3, class T4> inline void OT(const T0 &x0, const T1 &x1, const T2 &x2, const T3 &x3, const T4 &x4){OT(x0), OT(x1), OT(x2), OT(x3), OT(x4);} |
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template<class T0, class T1, class T2, class T3, class T4, class T5> inline void OT(const T0 &x0, const T1 &x1, const T2 &x2, const T3 &x3, const T4 &x4, const T5 &x5){OT(x0), OT(x1), OT(x2), OT(x3), OT(x4), OT(x5);} |
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template<class T0, class T1, class T2, class T3, class T4, class T5, class T6> inline void OT(const T0 &x0, const T1 &x1, const T2 &x2, const T3 &x3, const T4 &x4, const T5 &x5, const T6 &x6){OT(x0), OT(x1), OT(x2), OT(x3), OT(x4), OT(x5), OT(x6);} |
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inline char& RC(char &a, char &b){RC(a), RC(b); return a;} |
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inline char& RC(char &a, char &b, char &c){RC(a), RC(b), RC(c); return a;} |
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inline char& RC(char &a, char &b, char &c, char &d){RC(a), RC(b), RC(c), RC(d); return a;} |
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inline char& RC(char &a, char &b, char &c, char &d, char &e){RC(a), RC(b), RC(c), RC(d), RC(e); return a;} |
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inline char& RC(char &a, char &b, char &c, char &d, char &e, char &f){RC(a), RC(b), RC(c), RC(d), RC(e), RC(f); return a;} |
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inline char& RC(char &a, char &b, char &c, char &d, char &e, char &f, char &g){RC(a), RC(b), RC(c), RC(d), RC(e), RC(f), RC(g); return a;} |
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inline DB& RF(DB &a, DB &b){RF(a), RF(b); return a;} |
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inline DB& RF(DB &a, DB &b, DB &c){RF(a), RF(b), RF(c); return a;} |
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inline DB& RF(DB &a, DB &b, DB &c, DB &d){RF(a), RF(b), RF(c), RF(d); return a;} |
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inline DB& RF(DB &a, DB &b, DB &c, DB &d, DB &e){RF(a), RF(b), RF(c), RF(d), RF(e); return a;} |
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inline DB& RF(DB &a, DB &b, DB &c, DB &d, DB &e, DB &f){RF(a), RF(b), RF(c), RF(d), RF(e), RF(f); return a;} |
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inline DB& RF(DB &a, DB &b, DB &c, DB &d, DB &e, DB &f, DB &g){RF(a), RF(b), RF(c), RF(d), RF(e), RF(f), RF(g); return a;} |
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inline void RS(char *s1, char *s2){RS(s1), RS(s2);} |
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inline void RS(char *s1, char *s2, char *s3){RS(s1), RS(s2), RS(s3);} |
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template<class T0,class T1>inline T0& RDD(T0&a, T1&b){RDD(a),RDD(b); return a;} |
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template<class T0,class T1,class T2>inline T1& RDD(T0&a, T1&b, T2&c){RDD(a),RDD(b),RDD(c); return a;} |
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template<class T> inline void RST(T &A){memset(A, 0, sizeof(A));} |
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template<class T> inline void FLC(T &A, int x){memset(A, x, sizeof(A));} |
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template<class T> inline void CLR(T &A){A.clear();} |
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template<class T0, class T1> inline void RST(T0 &A0, T1 &A1){RST(A0), RST(A1);} |
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template<class T0, class T1, class T2> inline void RST(T0 &A0, T1 &A1, T2 &A2){RST(A0), RST(A1), RST(A2);} |
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template<class T0, class T1, class T2, class T3> inline void RST(T0 &A0, T1 &A1, T2 &A2, T3 &A3){RST(A0), RST(A1), RST(A2), RST(A3);} |
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template<class T0, class T1, class T2, class T3, class T4> inline void RST(T0 &A0, T1 &A1, T2 &A2, T3 &A3, T4 &A4){RST(A0), RST(A1), RST(A2), RST(A3), RST(A4);} |
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template<class T0, class T1, class T2, class T3, class T4, class T5> inline void RST(T0 &A0, T1 &A1, T2 &A2, T3 &A3, T4 &A4, T5 &A5){RST(A0), RST(A1), RST(A2), RST(A3), RST(A4), RST(A5);} |
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template<class T0, class T1, class T2, class T3, class T4, class T5, class T6> inline void RST(T0 &A0, T1 &A1, T2 &A2, T3 &A3, T4 &A4, T5 &A5, T6 &A6){RST(A0), RST(A1), RST(A2), RST(A3), RST(A4), RST(A5), RST(A6);} |
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template<class T0, class T1> inline void FLC(T0 &A0, T1 &A1, int x){FLC(A0, x), FLC(A1, x);} |
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template<class T0, class T1, class T2> inline void FLC(T0 &A0, T1 &A1, T2 &A2, int x){FLC(A0, x), FLC(A1, x), FLC(A2, x);} |
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template<class T0, class T1, class T2, class T3> inline void FLC(T0 &A0, T1 &A1, T2 &A2, T3 &A3, int x){FLC(A0, x), FLC(A1, x), FLC(A2, x), FLC(A3, x);} |
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template<class T0, class T1, class T2, class T3, class T4> inline void FLC(T0 &A0, T1 &A1, T2 &A2, T3 &A3, T4 &A4, int x){FLC(A0, x), FLC(A1, x), FLC(A2, x), FLC(A3, x), FLC(A4, x);} |
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template<class T0, class T1, class T2, class T3, class T4, class T5> inline void FLC(T0 &A0, T1 &A1, T2 &A2, T3 &A3, T4 &A4, T5 &A5, int x){FLC(A0, x), FLC(A1, x), FLC(A2, x), FLC(A3, x), FLC(A4, x), FLC(A5, x);} |
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template<class T0, class T1, class T2, class T3, class T4, class T5, class T6> inline void FLC(T0 &A0, T1 &A1, T2 &A2, T3 &A3, T4 &A4, T5 &A5, T6 &A6, int x){FLC(A0, x), FLC(A1, x), FLC(A2, x), FLC(A3, x), FLC(A4, x), FLC(A5, x), FLC(A6, x);} |
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template<class T> inline void CLR(priority_queue<T> &Q){while (!Q.empty()) Q.pop();} |
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template<class T> inline void CLR(stack<T> &S){while (!S.empty()) S.pop();} |
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template<class T> inline void CLR(queue<T> &Q){while (!Q.empty()) Q.pop();} |
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template<class T0, class T1> inline void CLR(T0 &A0, T1 &A1){CLR(A0), CLR(A1);} |
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template<class T0, class T1, class T2> inline void CLR(T0 &A0, T1 &A1, T2 &A2){CLR(A0), CLR(A1), CLR(A2);} |
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template<class T0, class T1, class T2, class T3> inline void CLR(T0 &A0, T1 &A1, T2 &A2, T3 &A3){CLR(A0), CLR(A1), CLR(A2), CLR(A3);} |
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template<class T0, class T1, class T2, class T3, class T4> inline void CLR(T0 &A0, T1 &A1, T2 &A2, T3 &A3, T4 &A4){CLR(A0), CLR(A1), CLR(A2), CLR(A3), CLR(A4);} |
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template<class T0, class T1, class T2, class T3, class T4, class T5> inline void CLR(T0 &A0, T1 &A1, T2 &A2, T3 &A3, T4 &A4, T5 &A5){CLR(A0), CLR(A1), CLR(A2), CLR(A3), CLR(A4), CLR(A5);} |
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template<class T0, class T1, class T2, class T3, class T4, class T5, class T6> inline void CLR(T0 &A0, T1 &A1, T2 &A2, T3 &A3, T4 &A4, T5 &A5, T6 &A6){CLR(A0), CLR(A1), CLR(A2), CLR(A3), CLR(A4), CLR(A5), CLR(A6);} |
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template<class T> inline void CLR(T &A, int n){REP(i, n) CLR(A[i]);} |
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template<class T> inline bool EPT(T &a){return a.empty();} |
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template<class T> inline T& SRT(T &A){sort(ALL(A)); return A;} |
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template<class T, class C> inline T& SRT(T &A, C cmp){sort(ALL(A), cmp); return A;} |
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template<class T> inline T& RVS(T &A){reverse(ALL(A)); return A;} |
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template<class T> inline T& UNQQ(T &A){A.resize(unique(ALL(A))-A.begin());return A;} |
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template<class T> inline T& UNQ(T &A){SRT(A);return UNQQ(A);} |
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template<class T, class C> inline T& UNQ(T &A, C cmp){SRT(A, cmp);return UNQQ(A);} |
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//} |
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/** Constant List .. **/ //{ |
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const int MOD = 998244353; // int(1e9) + 7; |
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const int INF = 0x3f3f3f3f; |
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const LL INFF = 0x3f3f3f3f3f3f3f3fLL; |
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const DB EPS = 1e-9; |
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const DB OO = 1e20; |
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const DB PI = acos(-1.0); //M_PI; |
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const int dx[] = {-1, 1, 0, 0}; |
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const int dy[] = {0, 0, 1, -1}; |
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//} |
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/** Add On .. **/ //{ |
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// <<= '0. Nichi Joo ., //{ |
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template<class T> inline bool checkMin(T &a,const T b){return b < a ? a = b, 1 : 0;} |
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template<class T> inline bool checkMax(T &a,const T b){return a < b ? a = b, 1 : 0;} |
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template <class T, class C> inline bool checkUpd(T& a, const T b, C c){return c(b,a) ? a = b, 1 : 0;} |
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template<class T> inline T min(T a, T b, T c){return min(min(a, b), c);} |
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template<class T> inline T max(T a, T b, T c){return max(max(a, b), c);} |
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template<class T> inline T min(T a, T b, T c, T d){return min(min(a, b), min(c, d));} |
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template<class T> inline T max(T a, T b, T c, T d){return max(max(a, b), max(c, d));} |
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template<class T> inline T min(T a, T b, T c, T d, T e){return min(min(min(a,b),min(c,d)),e);} |
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template<class T> inline T max(T a, T b, T c, T d, T e){return max(max(max(a,b),max(c,d)),e);} |
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template<class T> inline T sqr(T a){return a*a;} |
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template<class T> inline T cub(T a){return a*a*a;} |
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template<class T> inline T ceil(T x, T y){return (x – 1) / y + 1;} |
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template<class T> T abs(T x){return x>0?x:-x;} |
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inline int sgn(DB x){return x < -EPS ? -1 : x > EPS;} |
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inline int sgn(DB x, DB y){return sgn(x – y);} |
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inline DB cos(DB a, DB b, DB c){return (sqr(a)+sqr(b)-sqr(c))/(2*a*b);} |
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inline DB cot(DB x){return 1./tan(x);}; |
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inline DB sec(DB x){return 1./cos(x);}; |
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inline DB csc(DB x){return 1./sin(x);}; |
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//} |
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//} |
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/** I/O Accelerator Interface .. **/ //{ |
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#define g (c=getchar()) |
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#define d isdigit(g) |
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#define p x=x*10+c-'0' |
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#define n x=x*10+'0'-c |
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#define pp l/=10,p |
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#define nn l/=10,n |
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template<class T> inline T& RD(T &x){ |
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char c;while(!d);x=c-'0';while(d)p; |
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return x; |
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} |
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template<class T> inline T& RDD(T &x){ |
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char c;while(g,c!='-'&&!isdigit(c)); |
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if (c=='-'){x='0'-g;while(d)n;} |
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else{x=c-'0';while(d)p;} |
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return x; |
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} |
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inline DB& RF(DB &x){ |
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//scanf("%lf", &x); |
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char c;while(g,c!='-'&&c!='.'&&!isdigit(c)); |
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if(c=='-')if(g=='.'){x=0;DB l=1;while(d)nn;x*=l;} |
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else{x='0'-c;while(d)n;if(c=='.'){DB l=1;while(d)nn;x*=l;}} |
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else if(c=='.'){x=0;DB l=1;while(d)pp;x*=l;} |
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else{x=c-'0';while(d)p;if(c=='.'){DB l=1;while(d)pp;x*=l;}} |
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return x; |
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} |
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#undef nn |
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#undef pp |
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#undef n |
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#undef p |
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#undef d |
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#undef g |
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inline char* RS(char *s){ |
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//gets(s); |
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scanf("%s", s); |
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return s; |
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} |
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|
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int last_ans; int Case; template<class T> inline void OT(const T &x){ |
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//printf("Case #%d: ", ++Case); |
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printf("%lld\n", x); |
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//printf("%I64d\n", x); |
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//printf("%.9f\n", x); |
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//printf("%d\n", x); |
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//cout << x << endl; |
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last_ans = x & 0x7fffffff; |
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} |
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|
|
|
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//}/* …………………………………………………………………………………………………………………. */ |
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|
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const int N = int(4e5) + 9; |
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const int NN = 4*N; |
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|
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struct Po{ |
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LL x,y;Po(LL x=0,LL y=0):x(x),y(y){} |
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bool operator<(const Po& p)const{return x < p.x|| x == p.x && y < p.y;} |
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Po operator-(const Po& p)const{return Po(x-p.x,y-p.y);} |
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}; |
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|
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inline LL dot(LL x1,LL y1,LL x2,LL y2){return x1*x2+y1*y2;} |
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inline LL dot(const Po& a,const Po& b){return dot(a.x,a.y,b.x,b.y);} |
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inline LL det(LL x1,LL y1,LL x2,LL y2){return x1*y2-x2*y1;} |
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inline LL det(const Po& a,const Po& b){return det(a.x,a.y,b.x,b.y);} |
|
|
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int n; Po p; int a, b; |
|
|
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struct Segment_Tree { |
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#define lx (x<<1) |
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#define rx (lx|1) |
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#define ml (l+r>>1) |
|
#define mr (ml+1) |
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#define lc lx, l, ml |
|
#define rc rx, mr, r |
|
#define root 1, 1, n |
|
|
|
vector<Po> P[NN]; |
|
|
|
void upd(int x) { |
|
|
|
/*for (auto p: P[lx]) P[x].PB(p); |
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for (auto p: P[rx]) P[x].PB(p); |
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SRT(P[x]);*/ |
|
|
|
int nn = SZ(P[lx])+SZ(P[rx]); |
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P[lx].PB(Po(INF, INF)); |
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P[rx].PB(Po(INF, INF)); |
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int l = 0, r = 0; vector<Po> PP; |
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DO(nn) PP.PB(P[lx][l] < P[rx][r] ? P[lx][l++] : P[rx][r++]); |
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P[lx].pop_back(); |
|
P[rx].pop_back(); |
|
|
|
P[x].resize(nn); nn = -1; for (auto p: PP) { |
|
while (nn > 0 && det(P[x][nn]-P[x][nn-1], p-P[x][nn-1]) >= 0) –nn; |
|
P[x][++nn] = p; |
|
} |
|
P[x].resize(++nn); |
|
} |
|
|
|
void Insert(int x, int l, int r) { |
|
if (l == r) { |
|
P[x].PB(p); |
|
} else { |
|
if (a < mr) Insert(lc); |
|
else Insert(rc); |
|
if (a == r) upd(x); |
|
} |
|
} |
|
|
|
LL Query(int x, int l, int r) { |
|
if (b < l || r < a) return -INFF; |
|
if (a <= l && r <= b) { |
|
|
|
/*LL z = -INFF; for (auto pi: P[x]) { |
|
checkMax(z, (LL)dot(pi, p)); |
|
} |
|
return z;*/ |
|
|
|
int l = 0, r = SZ(P[x])-1; |
|
while (l < r) { |
|
if (dot(P[x][mr]-P[x][ml], p) > 0) l = mr; |
|
else r = ml; |
|
} |
|
return (LL)dot(P[x][l], p); |
|
} |
|
return max(Query(lc), Query(rc)); |
|
} |
|
} T0, T1; |
|
|
|
bool encode; |
|
|
|
void get(int &a, int &b) { |
|
RDD(a,b); if (encode) a ^= last_ans, b ^= last_ans; |
|
} |
|
|
|
int main() { |
|
|
|
#ifndef ONLINE_JUDGE |
|
freopen("in.txt", "r", stdin); |
|
//freopen("/Users/minakokojima/Documents/GitHub/ACM-Training/Workspace/out.txt", "w", stdout); |
|
#endif |
|
|
|
RD(n); encode = RC()!='E'; |
|
|
|
int nn = 0; REP_1(i, n) { |
|
int x, y; if(RC()=='Q') { |
|
get(x,y); get(a,b); |
|
|
|
if (y > 0) { |
|
p = Po(x, y); |
|
OT(T0.Query(root)); |
|
} else { |
|
p = Po(x, -y); |
|
OT(T1.Query(root)); |
|
} |
|
} else { |
|
get(x,y); a = ++nn; |
|
p = Po(x, y); T0.Insert(root); |
|
p = Po(x,-y); T1.Insert(root); |
|
} |
|
} |
|
} |
Posted by
xiaodao
Category: 日常
|
