zoj 1813

吃完晚饭，头痛依然。。。只好继续刷水题。。

/*zoj_1813    水题*/#include <iostream>#include <cstdio>#define pi 3.1415927using namespace std;int main(){    double diameter,revol,time,temp;    int count;    count=1;    while( scanf( "%lf%lf%lf",&diameter,&revol,&time ) && revol )    {        temp=diameter*pi*revol/double(12*5280);        printf( "Trip #%d: %.2f %.2f\n",count,temp,temp*3600/double(time) );        count++;    }    return 0;}