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34 lines
862 B
C++
34 lines
862 B
C++
#define _CRT_SECURE_NO_WARNINGS
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#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
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#include <bits/stdc++.h>
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using namespace std;
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#define CRP(t, x) const t &x
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#define OPL(t, x) bool operator<(CRP(t, x)) const
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#define FIL(x, v) memset(x, v, sizeof(x))
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#define CLR(x) FIL(x, 0)
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#define NE1(x) FIL(x, -1)
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#define INF(x) FIL(x, 0x3f)
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#ifndef _DEBUG
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#define _DEBUG 0
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#endif // !_DEBUG
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#define IFD if (_DEBUG)
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typedef long long ll, i64;
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int f(int d, int n)
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{
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int cnt = 0;
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for (int i = 1; i <= n; i++)
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for (int x = i; x; x /= 10)
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if (x % 10 == d) cnt++;
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return cnt;
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}
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int main()
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{
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for (int k = 1; k < 10; k++)
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for (int i = 199900; i < 200100; i++)
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if (f(k, i) == i)
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printf("%d %d\n", k, i);
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return 0;
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for (int d, n; ~scanf("%d%d", &d, &n);)
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printf("%d\n", f(d, n));
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return 0;
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} |