17 lines
340 B
C++
17 lines
340 B
C++
#include <bits/stdc++.h>
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using namespace std;
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const int N = 10;
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int b[N];
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int main() {
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int n, x;
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scanf("%d %d", &n, &x);
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for (int i = 1; i <= n; i++) {
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string str = to_string(i);
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for (int j = 0; j < str.size(); j++)
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b[str[j] - '0']++;
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}
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cout << b[x] << endl;
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return 0;
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} |