题解 | #自守数#
https://www.nowcoder.com/practice/88ddd31618f04514ae3a689e83f3ab8e
n = input() count = 0 for i in range(eval(n)+1): lenth = len(str(i)) num = i**2 if str(num)[-lenth:] == str(i): count += 1 print(count)
https://www.nowcoder.com/practice/88ddd31618f04514ae3a689e83f3ab8e
n = input() count = 0 for i in range(eval(n)+1): lenth = len(str(i)) num = i**2 if str(num)[-lenth:] == str(i): count += 1 print(count)
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