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| def solution(s):
arr = list(s)
stk = []
for i in range(len(s)):
if not stk:
stk.append(arr[i])
continue
else:
if stk[-1] == arr[i]:
stk.pop()
else:
stk.append(arr[i])
if not stk:
answer = 1
else:
answer = 0
return answer
|