/*********************************************
Get Time in Seconds

Times for marathon runners are kept the following 
format: h:mm:ss.  So for example, my time might be
8:34:08.  Write a program that reads in a list of 
one or more such times, separated by commas and 
terminated by a semicolon, and prints out the 
average time in seconds.  typical input might
look like: 

   3:22:01, 2:58:27, 2:59:23, 3:05:00, 3:08:33;

And your program should print out 11200.8.
*********************************************/
#include <iostream>
#include <string>
using namespace std;

int readtime();

/*********************************************
 ** main() function
 *********************************************/
int main()
{
  // Initialization before loop
  cout << "Enter lists of times in hh:mm:ss form," << endl
       << "using , to separate and ; to terminate: ";
  int T = 0; // total sum of times read in (in seconds)
  int n = 0; // number of times read in
  char c;

  // Loop over each time entered by user
  do {
    T = T + readtime();
    cin >> c;
    n++;
  }while(c != ';');

  // Write average time in seconds
  cout << "Average in seconds: " << T / double(n) << endl;

  return 0;
}

/*********************************************
 ** readtime() - this function reads a time
 ** in hh:mm:ss format from cin, and returns
 ** the time in seconds.
 *********************************************/
int readtime()
{
  int h, m, s;
  char c;
  cin >> h >> c >> m >> c >> s;
  return h*3600 + m*60 + s;
}