백준 1541 잃어버린 괄호

 

💻Q

1541번: 잃어버린 괄호

 

 

💡A

import java.io.*;
import java.util.StringTokenizer;

public class Main {
    public static void main(String[] args) throws IOException {
      BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

  	int sum = Integer.MAX_VALUE;
  	StringTokenizer subtract = new StringTokenizer(br.readLine(), "-");

  	while(subtract.hasMoreTokens()) {
  		int temp = 0;
  		StringTokenizer add = new StringTokenizer(subtract.nextToken(), "+");

  		while(add.hasMoreTokens()) temp += Integer.parseInt(add.nextToken());

  		if(sum == Integer.MAX_VALUE) sum = temp;
  		else sum -= temp;
        }
    	System.out.println(sum);
    }
}