[백준] 2875번 : 대회 or 인턴 - Java(자바)

https://www.acmicpc.net/problem/2875

import java.util.*;
public class Main {
    public static void main(String args[]) {
        Scanner s=new Scanner(System.in);
        int n=s.nextInt();
        int m=s.nextInt();
        int k=s.nextInt();
        
        int c=n/2;
        
        int count=c>=m?m:c;
        int re=n+m-3*count;
        n=n-2*count;
        m=m-count;
        k-=re;
        
        if(k>0){
            int a=k/3;
            int b=k%3;
            
            if(b==0) count-=a;
            else count-=a+1;
        }
        System.out.print(count);
    }
}