Submission #1792197

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Source Code Expand

#include<iostream>
#include<string>
#include<vector>
#include<utility>
#include<queue>
#include<algorithm>
#include<cmath>
#include<cstdio>
#include<cstring>
#define INF 2147483647
#define llINF 9223372036854775807
#define pb push_back
#define mp make_pair 
#define F first
#define S second
#define ll long long

using namespace std;
int main(){
  ll s,c;
  cin>>s>>c;
  if(s==c/2){
    cout<<s<<endl;
  }else if(s>c/2){
    cout<<c/2<<endl;
  }else if(s<c/2){
    c-=s*2;
    ll a=c/4+s;
    cout<<a<<endl;
  }
  return 0;
}

Submission Info

Judge Result