连续未排序01数相同最长子数组_python3
未排序数组中累加和为给定值的最长子数组系列问题补2
http://www.nowcoder.com/questionTerminal/ab190c44af0141d58037c3f95109d722
同上一题
def solve(l, n):
m = {0:-1}
a = ans = 0
for i in range(n):
a += 1 if l[i] else -1
if a not in m.keys():
m[a] = i
else:
ans = max(ans, i - m[a])
return ans
while True:
try:
n = int(input())
l = list(map(int, input().split()))
print(solve(l, n))
except EOFError:
break
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