Given one array, and calculate its maximum sum from any sequential subarray setCpp code demo as below: 1 int maxSubarraySum(int arr[], int length, int& beg, int& end) 2 { 3 assert(arr!=0); 4 int maxSum = 0; 5 int tmpSum = 0; 6 beg = 0; end = 0; 7 for (int i = 0; i < length; i++) ...