题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1870
题目大意:特别注意:()一括号加一次愚人指数~
1 #include <iostream> 2 #include <cstdio> 3 using namespace std; 4 int main () 5 { 6 char ch[1010]; 7 int sum,num; 8 while (scanf("%s",ch)!=EOF) 9 { 10 sum=num=0; 11 for (int i=0; ch[i]!='B'; i++) 12 { 13 if (ch[i]=='(') 14 sum++; 15 else 16 num++; 17 } 18 printf ("%d ",sum-num); 19 } 20 }