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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. int main() {
  6.     vector<int> nums = {2,1,1,5,8};
  7.     int k = 4;
  8.     int count = 0;
  9.  
  10.     for (int i = 0; i < nums.size(); i++) {
  11.         int sum = 0;
  12.  
  13.         for (int j = i; j < nums.size(); j++) {
  14.             sum += nums[j];
  15.  
  16.             if (sum >= k)
  17.                 count++;
  18.         }
  19.     }
  20.  
  21.     cout << count;
  22. }
Success #stdin #stdout 0.01s 5288KB
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Standard input is empty
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10
https://ideone.com/jyh6QK
language:
C++14 (gcc 8.3)
created:
4 hours ago
visibility:
public

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