OJ-Problems-Source/HDOJ/3351_autoAC.cpp
2016-09-01 20:54:35 +08:00

28 lines
581 B
C++

#include<cstdio>
#include<cstring>
#include<iostream>
#include<cmath>
#include<algorithm>
using namespace std;
const int maxn=2005;
char str[maxn];
int main(){
int cas=1;
while(scanf("%s", str)&&str[0]!='-'){
int i, ans=0, lef=0;
for(i=0; str[i]!='\0'; i++){
if(str[i]=='{'){
lef++;
}
else if(lef>0){
lef--;
}
else {
ans++;lef++;
}
}
printf("%d. %d\n", cas++, ans+lef/2);
}
return 0;
}