TopCoder SRM 145 Division 2 500 pts

SRM_145_Div2_500.cpp

#include <string>
#include <vector>
#include <sstream>

using std::string;
using std::vector;
using std::stringstream;

class ExerciseMachine {
 public:
  int getPercentages(string time) {
    int seconds = toSeconds(time);
    int count = 0;
    
    for(int i = 1; i < seconds; ++i) {
      if( (i * 100) % seconds == 0 ) ++count;
    }
    
    return count;
  }
  
  int toSeconds(string time) {
    vector<string> t = split(time, ':');
    return stoi( t[0] ) * 3600 + stoi( t[1] ) * 60 + stoi( t[2] );
  }
  
  vector<string> split(string str, char delim = '\n') {
    vector<string> parts;
    stringstream   ss { str };
    string		   part;
    while( getline(ss, part, delim ) )
      parts.push_back( part );
      
    return parts;
  }
};