Submission #1114470

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Source Code Expand

//I_F_A
#include "bits/stdc++.h"
using namespace std;

int main(){
    
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    
 	
 	long long n,m;
 	cin >> n >> m;

 	long long ans = 0;
 	if(n*2 <= m){

 		m = m -2*n;
 		ans = ans + n + m/4; 
 	}   
 	else{

 		ans = m/2;
 	}
 	cout << ans << endl;
}

Submission Info

Judge Result