16 lines
297 B
C++
16 lines
297 B
C++
#include <cstdio>
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using namespace std;
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int n;
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int main()
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{
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scanf("%d", &n);
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int a;
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for (a = 1; a * (a + 1) / 2 < n; ++a)
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;
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int c = a * (a + 1) / 2 - n;
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if (a % 2)
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printf("%d/%d\n", 1 + c, a - c);
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else
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printf("%d/%d\n", a - c, 1 + c);
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return 0;
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} |