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题解 | #小红统计区间（easy）#

n, k = map(int, input().split()) nums = list(map(int, input().split())) left = right = 0 sum_ = 0 ans = 0 while left < n and right <= n: if...

2024-10-04

1 120

题解 | #完成括号匹配#

seq = input() cnt_left = cnt_right = 0 left_add = right_add = 0 for c in seq: if c == '[': cnt_left += 1 else: cnt_right += 1 ...

2024-10-03

1 140