質問編集履歴
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リファクタリングの反映
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@@ -16,27 +16,23 @@
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### 該当のソースコード
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```Python3
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+
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import sys
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N = int(input())
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H = list(map(int, input().split()))
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if N==1:
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-
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print("Yes")
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-
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sys.exit()
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else:
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-
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for i in range(N-1):
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-
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if H[i] > H[i+1]:
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-
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H[i] -= 1
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count = 0
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for i in range(N-1):
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-
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if H[i] > H[i+1]:
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-
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print("No")
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sys.exit()
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-
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-
if count == 0:
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-
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print("Yes")
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else:
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print("No")
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-
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```
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