27 lines
348 B
C++
27 lines
348 B
C++
#include <stdio.h>
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#include <math.h>
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int main(){
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double s,v;
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scanf("%lf %lf",&s,&v);
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double mind;
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mind=s/v+10;
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//printf("%.15f\n",mind);
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int min;
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min=ceil(mind);
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int h=0;
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h=min/60;
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min=min%60;
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if(h<=7){
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h=7-h;
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min=60-min;
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printf("%02d:%2d",h,min);
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}
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if(h>=8){
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h=31-h;
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min=60-min;
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printf("%02d:%2d",h,min);
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}
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return 0;
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}
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