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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. int main() {
  6.     int count = 0; 
  7.     vector<char> arr = {'x', 'y', 'x', 'x', 'y', 'x', 'y', 'y'};
  8.     int n = arr.size();
  9.  
  10.     for(int i = 0; i < n; i++) {
  11.         int x_count = 0;
  12.         int y_count = 0;
  13.         for(int j = i; j < n; j++) {
  14.             if(arr[j] == 'x') 
  15.                 x_count++;
  16.             else 
  17.                 y_count++;
  18.  
  19.             if(x_count == y_count) 
  20.                 count++;
  21.         }
  22.     }
  23.  
  24.     cout << count << endl;
  25.     return 0;
  26. }
  27.  
Success #stdin #stdout 0s 5320KB
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https://ideone.com/CBqXqR
language:
C++ (gcc 8.3)
created:
6 days ago
visibility:
public

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