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简单的字符判断。
AC代码:
1 import java.util.Scanner; 2 3 public class Main { 4 5 public static void main(String[] args) { 6 7 Scanner sc=new Scanner(System.in); 8 9 int times=Integer.parseInt(sc.nextLine()); 10 while(times-->0){ 11 int ans=0; 12 int n=Integer.parseInt(sc.nextLine()); 13 while(n-->0){ 14 if(sc.nextLine().indexOf("+")!=-1){ 15 ans++; 16 }else{ 17 ans--; 18 } 19 } 20 System.out.println(ans); 21 } 22 23 } 24 25 }
题目来源: http://acm.nyist.net/JudgeOnline/problem.php?pid=1049
时间: 2024-10-13 14:13:55