HDU 1038

#include<stdio.h> int main() { float d,t,s; int r,i; i=1; while(scanf("%f%d%f",&d,&r,&t)&&r!=0) { s=3.1415927*d*r/5280/12; printf("Trip #%d: %.2f %.2f\n",i++,s,s*36

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