Submission #7281481

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Source Code Expand

import numpy as np
N = int(input())
A = np.array(input().split(), dtype=np.int32)

"""
A = [10,4,8,7,3]
left_idx = [0,0,2,2,2]
というものを作る
"""
left_idx = np.arange(N) # [0,1,2,3,4]
left_idx[1:][A[:-1] >= A[1:]] = 0 # [0,0,2,0,0] （自身が左以下ならば0に）
np.maximum.accumulate(left_idx, out=left_idx) # [0,0,2,2,2]

answer = (np.arange(N) - left_idx).max()
print(answer)

Submission Info

Judge Result