21 lines
385 B
C++
21 lines
385 B
C++
#include<stdio.h>
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#include<math.h>
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#include<iostream>
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using namespace std;
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const double PI=acos(-1.0);
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#define eps 1e-3
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int main()
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{
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int T;
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double D,d,s;
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scanf("%d",&T);
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while(T--)
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{
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scanf("%lf%lf%lf",&D,&d,&s);
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double temp=asin((d+s)/(D-d));
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double tt=(2*PI)/(2*temp);
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printf("%d\n",(int)tt);
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}
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return 0;
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}
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