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20 lines
249 B
C++
20 lines
249 B
C++
#include <iostream>
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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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float y;
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cin >> x >> y;
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if (x%5 == 0 && (y - x) > 0.5)
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{
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cout << y - (x + 0.5) << endl;
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}
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else
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{
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cout << y << endl;
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}
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return 0;
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}
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