[Java] 백준 2875번 : 대회 or 인턴

문제

2875번: 대회 or 인턴

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코드

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {
    private static BufferedReader br;
    private static StringTokenizer st;
    private static int N,M,K;
    private static int answer = 0;

    //입력
    public static void input() throws Exception {
        br = new BufferedReader(new InputStreamReader(System.in));

        st = new StringTokenizer(br.readLine());
        N = Integer.parseInt(st.nextToken());
        M = Integer.parseInt(st.nextToken());
        K = Integer.parseInt(st.nextToken());
    }

    //실행
    public static void process() {
        while( N >= 2 && M >=1 && N + M - K >=3){
            answer++;
            N = N-2;
            M = M-1;
        }
        System.out.println(answer);
    }

    public static void main(String[] args) throws Exception{
        input();
        process();
    }
}