16 lines
288 B
C++
16 lines
288 B
C++
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#include <bits/stdc++.h>
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using namespace std;
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int main() {
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int n, x;
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cin >> n >> x;
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int res = 0;
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for (int i = 1; i <= n; i++)
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for (int j = i; j; j /= 10)
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if (j % 10 == x)
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res++;
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cout << res << endl;
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return 0;
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}
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