AtCoder Beginner Contest 142
「python A問題 Odds of Oddness 解答」
filename.py
N = int(input())
g = 0
k = 0
for i in range(1, N + 1): # Nだけだと１～N－１までしか計算されない。
if i%2 == 0:
g += 1 # 偶数
else:
k += 1 # 計算
print(k / (g + k))
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AtCoder Beginner Contest 142 「python解答」
Last updated at Posted at 2019-10-27
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