Submission #1114433

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define REP(i, n) for (int i = 0; i < int(n); ++i)
#define REPE(i, a, b) for (int i = (a); i <= int(b); ++i)
#define SZ(x) ((int)(x).size())
#define ALL(x) x.begin(), x.end()
#define PB push_back
#define EB emplace_back
using LL = long long;
using PII = pair<int, int>;
#define F first
#define S second

int main() {
  long long a, b;
  cin >> a >> b;
  long long ans = min(a, b / 2);
  a -= ans;
  b -= ans * 2;
  ans += b / 4;
  cout << ans << endl;
  return 0;
}

Submission Info

Judge Result