POJ 2501

#include<iostream>
#include<iomanip>
#include<stdio.h>
#include<string>
#include<math.h>
using namespace std;

int main()
{
    //freopen("acm.acm","r",stdin);
    string s;
    int i;
    double speed = 0.0;
    double road;
    double time;
    double time1;
    double past;
    time = 0;
    past = 0;
    road = 0;
    getline(cin,s);
    time = (double(s[0]-'0')*10.0+double(s[1]-'0'))+(double(s[3]-'0')*10.0+double(s[4]-'0'))/60.0+(double(s[6]-'0')*10.0+double(s[7]-'0'))/3600.0;
    if(s.length() > 8)
    {
        for(i =  9; i < s.length(); ++ i)
        {
            speed = speed*10.0 + double(s[i]-'0');
        }
    }
    else
    {
        cout<<s<<" "<<"0.00 km"<<endl;
    }
    time *= 60;
    while(getline(cin,s))
    {
        if(s.length() > 8)
        {
            time1 = (double(s[0]-'0')*10.0+double(s[1]-'0'))+(double(s[3]-'0')*10.0+double(s[4]-'0'))/60.0+(double(s[6]-'0')*10.0+double(s[7]-'0'))/3600.0;
            time1 *= 60.0;
            past += speed*(time1-time);
            time = time1;
            speed = 0;
            for(i =  9; i < s.length(); ++ i)
            {
                speed = speed*10.0 + double(s[i]-'0');
            }
        }
        if(s.length() == 8)
        {
            time1 = (double(s[0]-'0')*10.0+double(s[1]-'0'))+(double(s[3]-'0')*10.0+double(s[4]-'0'))/60.0+(double(s[6]-'0')*10.0+double(s[7]-'0'))/3600.0;
            time1 *= 60.0;
            cout<<s<<' ';
            cout<<setiosflags(ios::fixed)<<setprecision(2)<<(speed*(time1-time)+past)/60.0<<' '<<"km"<<endl;
        }
    }
    
}