1271.cpp

这是哈尔滨工业大学acmOJ的源代码

/*  This Code is Submitted by wywcgs for Problem 1271 on 2005-03-20 at 07:27:05 */ 
#include <stdio.h>
#define  PI  3.1415927
#define  INCH_PER_MILE  63360
#define  SEC_PER_HOUR  3600

int main()
{
    double diameter, distance, speed, time;
    long revolution, i;
    
    for(i = 1; scanf("%lf %ld %lf", &diameter, &revolution, &time) == 3; i++){
        if(revolution == 0){
            return 0;
        }else{
            printf("Trip #%ld: ", i);
            distance = diameter  * PI * revolution / INCH_PER_MILE;
            printf("%.2lf ", distance);
            speed = distance * SEC_PER_HOUR / time;
            printf("%.2lf\n", speed);
        }
    }
    
    return 0;
}