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19 lines
372 B
C++
19 lines
372 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 n, x, y;
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scanf("%d", &n);
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while (n--)
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{
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scanf("%d%d", &x, &y);
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if (y % x == 0)
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printf("%d %d\n", x, y);
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else
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puts("-1");
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}
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return 0;
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} |