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- #include<stdio.h>
- #include<string.h>
- int main()
- {
- int t;
- scanf("%d", &t);
- while(t--)
- {
- int l, i, j;
- scanf("%d", &l);
- char s[l];
- scanf("%s", s);
- int c = 0;
- for(i = strlen(s) - 1; i >= 0; i--)
- {
- if(s[i] == ')') c++;
- if(s[i] != ')') break;
- }
- //printf("cnt %d\n", c);
- if(c <= strlen(s)-c) printf("No\n");
- else printf("Yes\n");
- }
- }
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