27 lines
558 B
C++
27 lines
558 B
C++
#include <stdio.h>
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#include <string.h>
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#include <algorithm>
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using namespace std;
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int main()
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{
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int t,q,a,b,i;
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double x,ans;
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scanf("%d",&t);
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while(t--)
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{
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scanf("%lf%d",&x,&q);
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for(i = 1; i<=q; i++)
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{
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scanf("%d%d",&a,&b);
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if(a == 1)
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ans = b*60.0-b*x;
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else if(a == 2)
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ans = b*3600.0/(60.0-x);
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else if(a == 3)
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ans = 43200*b*60/x;
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printf("%.2lf\n",ans);
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}
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}
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return 0;
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}
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