题解 | #[NOIP2013]记数问题#
[NOIP2013]记数问题
https://www.nowcoder.com/practice/28b2d9f2bf2c48de94a1297ed90e1732
#include <stdio.h>
int main()
{
int n;
int x;
int count = 0;
scanf("%d %d", &n, &x);
for (int i = 1; i <= n; i++)
{
int temp = i;
while(temp)
{
if(temp % 10 == x)
{
count++;
}
temp = temp / 10;
}
}
printf("%d", count);
return 0;
}
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