Submission #3232137

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Source Code Expand

#include <iostream>
#include <string>
#include <vector>
using namespace std;

int main() {
  int K, S;
  cin >> K >> S;
  
  int count = 0;
  for (int i=0; i<=K; ++i) {
    for (int j=0; j<=K; ++j) {
      int z = S - i - j;
      if (0 <= z && z <= K)  ++count;
    }
  }
  
  cout << count << endl;
}
        

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