[java 백준]브론즈 3/ 2875번 대회 or 인턴

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

2875번: 대회 or 인턴

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;
 
public class Main {
 
    public static void main(String[] args) throws IOException {
 
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringBuilder sb = new StringBuilder();
        StringTokenizer st = new StringTokenizer(br.readLine());
        int girl = Integer.parseInt(st.nextToken());
        int boy = Integer.parseInt(st.nextToken());
        int contest = Integer.parseInt(st.nextToken());
 
        int cnt = 0;
 
        while (girl - 2 >= 0 && boy - 1 >= 0 && girl + boy - 3 >= contest) {
            girl -= 2;
            boy--;
            cnt++;
 
        }
 
        
 
        System.out.println(cnt);
 
    }
}