24 lines
487 B
C++
24 lines
487 B
C++
#include <iostream>
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#include <cstdlib>
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#include <cstdio>
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#include <cmath>
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using namespace std;
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int main(void)
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{
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int n;
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scanf("%d", &n);
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for (int i = 1; i < n + 1; ++i)
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{
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printf("Scenario #%d:\n", i);
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int s, t;
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scanf("%d%d",&s,&t);
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double sum;
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sum = s*t;
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if ((s*t)%2)
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printf("%.2f\n", sum+sqrt(2)-1);
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else printf("%.2f\n", (double)sum);
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printf("\n");
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}
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return 0;
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}
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