⌨️
[AtCoder]ABC-387|B - 9x9 Sum
設問ページ
提出結果
def getInt():
return int(input())
def main():
X = getInt()
a = []
for i in range(1, 10):
a += [x * i for x in range(1, 10)]
c = a.count(X)
print(sum(a) - c * X)
if __name__ == "__main__":
main()
Discussion