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  1. #include <iostream>
  2. #include <string>
  3. #include <algorithm>
  4. #include <iterator>
  5. #include <vector>
  6. #include <cstdio>
  7. #include <cstdlib>
  8. #include <iomanip>
  9.  
  10.  
  11. using namespace std;
  12.  
  13. // string split
  14. vector<string> split(const string & s, const string & delim, const bool keep_empty = true) {
  15.     vector<string> result;
  16.  
  17.     if(delim.empty()) {
  18.         result.push_back(s);
  19.         return result;    
  20.     }    
  21.  
  22.     string::const_iterator substart = s.begin(), subend;
  23.     while(true) {
  24.         subend = search(substart, s.end(), delim.begin(), delim.end());
  25.         string temp(substart, subend);
  26.         if(keep_empty || !temp.empty()) {
  27.             result.push_back(temp);    
  28.         }    
  29.         if(subend == s.end()) {
  30.             break;    
  31.         }
  32.         substart = subend + delim.size();
  33.     }
  34.  
  35.     return result;
  36. }
  37.  
  38. ////////
  39. vector<double> compute(string strPoczatek, string strKoniec, double shipLength) {
  40.     vector<double> wyniki;
  41.     vector<string> vPoczatek = split(strPoczatek, ":");
  42.     vector<string> vKoniec = split(strKoniec, ":");
  43.     int difference;
  44.  
  45.     // string to int start
  46.     int km = atoi(vPoczatek[0].c_str());
  47.     int min = atoi(vPoczatek[1].c_str());
  48.     int sec = atoi(vPoczatek[2].c_str());
  49.     int startS = km*3600 + min*60 + sec;
  50.  
  51.     // string to int koniec
  52.     km = atoi(vKoniec[0].c_str());
  53.     min = atoi(vKoniec[1].c_str());
  54.     sec = atoi(vKoniec[2].c_str());
  55.     int koniecS = km*3600 + min*60 + sec;
  56.  
  57.     if(koniecS > startS) {
  58.         difference = koniecS - startS;
  59.     } else {
  60.         difference = startS - koniecS;    
  61.     }
  62.  
  63.     wyniki.push_back( ((3600 * shipLength) / difference) / 1000 ); // km/h
  64.     wyniki.push_back( ((3600 * shipLength) / difference) / 1852 ); // mile/h
  65.  
  66.     return wyniki;
  67. }
  68.  
  69. int main() {
  70.     vector< double > results;
  71.     string start, koniec;
  72.     double length;
  73.  
  74.     while(cin >> start >> koniec >> length){
  75. 		results = compute(start, koniec, length);
  76.     	cout << setprecision(1) << fixed << results[0] << " " << results[1] << endl;    
  77.     }
  78.  
  79.     return 0;    
  80. }
Success #stdin #stdout 0s 3480KB
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23:40:01 23:40:23 269.1  
00:00:00 00:00:08 100
stdout
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44.0 23.8
45.0 24.3
https://ideone.com/c8smol
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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