Submission #1115789

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Source Code Expand

#include <iostream>

using namespace std;

int
main()
{
  long long N, M;
  cin >> N >> M;

  if (M <= N * 2) {
    cout << M / 2 << "\n";
    return 0;
  }
  cout << N + (M - N * 2) / 4 << "\n";
  return 0;
}

Submission Info

Judge Result