hdu 5479 Scaena Felix(水)

题目链接：hdu 5479 Scaena Felix

代码

#include <cstdio>#include <cstring>#include <algorithm>using namespace std;const int maxn = 1005;char s[maxn];int main () {    int cas;    scanf("%d", &cas);    while (cas--) {        scanf("%s", s);        int n = strlen(s), ret = 0, l = 0;        for (int i = 0; i < n; i++) {            if (s[i] == ')' && l) {                l--; ret++;            } else if (s[i] == '(')                l++;        }        printf("%d\n", ret);    }    return 0;}