UVA 10281 - Average Speed
Problem PDF
Solution:
#include<stdio.h>
int main()
{
double h1,m1,s1,h,m,s,hour,v,dist=0,left_hour=0;
char a[200];
while(gets(a))
{
sscanf(a,"%lf:%lf:%lf",&h1,&m1,&s1);
hour=h1*60+m1+s1/60;
if(a[8]=='\0')
{
dist=dist+(v*(hour-left_hour))/60;
printf("%s %.2lf km\n",a,dist);
}
else
{
dist=dist+(v*(hour-left_hour))/60;
sscanf(a+8,"%lf",&v);
}
left_hour=hour;
}
return 0;
}