20 lines
332 B
Python
20 lines
332 B
Python
a=int(input())
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tot = 0
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b=[]
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for i in range(a):
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b = list(input().rstrip())
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tot=len(b)
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temp=0
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for j in range(tot):
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if(b[j]=='('):
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temp+=1
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else:
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temp-=1
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if(temp<0):
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break
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if(temp==0):
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print("YES")
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else:
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print("NO")
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