Submission #2558132

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Source Code Expand

import java.util.Scanner;
public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        long n = sc.nextLong();
        long m = sc.nextLong();
        long ans = 0;
        if(m/2 >= n){
            ans += n;
        }
        else{
            ans += m/2;
        }
        m -= 2*ans;
        if(m >= 0){
            ans += m / 4;
        }

        System.out.println(ans);
    }
}

Submission Info

Judge Result