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16 lines
395 B
C++
16 lines
395 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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int main()
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{
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int x;
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scanf("%d", &x);
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for (int i = 1; i <= x; i++)
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for (int j = 1; j <= x; j++)
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if (i % j == 0 && i * j > x && i < x * j)
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return printf("%d %d", i, j), 0;
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puts("-1");
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return 0;
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}
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