c++ - Finding the Indexes of a minimum sum subarray recursively -

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i need find substring of lowest sum in given array, i.e {2, -3, -5, 6, 7,} giving -8 adding bolded numbers. found way retrieve sum recursively program retrieve sum not indexes

using namespace std;  int min(int a, int b) { return (a < b)? : b; }  int min(int a, int b, int c) {    return min(min(a,b), c); }   int mincrossingsum(int a[], int l, int m, int h){     int sum = 0;    int leftsum = int_max;    for(int = m; >= l; i--){       sum += a[i];       if (sum < leftsum) leftsum = sum;    }     sum = 0;    int rightsum = int_max;    for(int = m+1; <= h; i++){       sum += a[i];       if (sum < rightsum) rightsum = sum;    }     return leftsum + rightsum; }    int minsubarraydac(int a[], int start,  int arraysize) {     if (start == arraysize)        return a[start];     int m = ((start + arraysize)/ 2);     return min(minsubarraydac(a, start, m),      minsubarraydac(a, m+1, arraysize),      mincrossingsum(a, start, m, arraysize));  }  int main() {    int arr[] = {2, 3, -4, -5, 7};    int n = sizeof(arr)/sizeof(arr[0]);    int min_sum = minsubarraydac(arr, 0, n-1);     printf("minimum contiguous sum %d\n", min_sum);    return 0; }


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