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[AtCoder]ABC-114|B - 754
設問ページ
提出結果
def getString():
return input()
def main():
s = getString()
t = []
for i in range(len(s) - 2):
t.append(abs(int(s[i:i+3]) - 753))
t.sort()
print(t[0])
if __name__ == "__main__":
main()
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