题解 | #[NOIP2013]记数问题#
[NOIP2013]记数问题
https://www.nowcoder.com/practice/28b2d9f2bf2c48de94a1297ed90e1732
#借助count()实现
n,x = map(int,input().split()) ls = ''.join([str(i) for i in range(1,n+1)]) print(ls.count(str(x)))
[NOIP2013]记数问题
https://www.nowcoder.com/practice/28b2d9f2bf2c48de94a1297ed90e1732
n,x = map(int,input().split()) ls = ''.join([str(i) for i in range(1,n+1)]) print(ls.count(str(x)))
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