题解 | #大雨吃小鱼#
大雨吃小鱼
https://www.nowcoder.com/practice/77199defc4b74b24b8ebf6244e1793de
n = int(input())
nums = list(map(int, input().split()))
ans = 0
stack = []
for i in range(n-1, -1, -1):
cur_turns = 0
while stack and nums[i] > stack[-1][0]:
num, turn = stack.pop()
cur_turns = max(cur_turns + 1, turn)
stack.append([nums[i], cur_turns])
ans = max(ans, cur_turns)
print(ans)
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