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  1.  
  2.  
  3. #include <iostream>
  4. #include <string>
  5.  
  6. using namespace std;
  7.  
  8. // function to convert time in format HH:MM:SS to seconds
  9. int timeToSeconds(string time) {
  10.     int hours = stoi(time.substr(0, 2));
  11.     int minutes = stoi(time.substr(3, 2));
  12.     int seconds = stoi(time.substr(6, 2));
  13.     return hours * 3600 + minutes * 60 + seconds;
  14. }
  15.  
  16. int main() {
  17.     // read Iftar times for each day of the week
  18.     int iftarTimes[7];
  19.     for (int i = 0; i < 7; i++) {
  20.         string day, time;
  21.         cin >> day >> time;
  22.         iftarTimes[i] = timeToSeconds(time);
  23.     }
  24.  
  25.     // read number of questions
  26.     int q;
  27.     cin >> q;
  28.  
  29.     // answer each question
  30.     while (q--) {
  31.         string day, time;
  32.         cin >> day >> time;
  33.         int currentSeconds = timeToSeconds(time);
  34.  
  35.         // find index of current day in the week
  36.         int currentDayIndex;
  37.         if (day == "Saturday") currentDayIndex = 0;
  38.         else if (day == "Sunday") currentDayIndex = 1;
  39.         else if (day == "Monday") currentDayIndex = 2;
  40.         else if (day == "Tuesday") currentDayIndex = 3;
  41.         else if (day == "Wednesday") currentDayIndex = 4;
  42.         else if (day == "Thursday") currentDayIndex = 5;
  43.         else /*if (day == "Friday")*/ currentDayIndex = 6;
  44.  
  45.         // calculate seconds until next Iftar
  46.         int secondsUntilIftar;
  47.         if (currentSeconds >= iftarTimes[currentDayIndex]) {
  48.             // next Iftar is tomorrow
  49.             secondsUntilIftar = 24 * 3600 - currentSeconds + iftarTimes[(currentDayIndex + 1) % 7];
  50.         } else {
  51.             // next Iftar is today
  52.             secondsUntilIftar = iftarTimes[currentDayIndex] - currentSeconds;
  53.         }
  54.  
  55.         // output answer
  56.         cout << secondsUntilIftar << endl;
  57.     }
  58.  
  59.     return 0;
  60. }
  61.  
  62.  
Success #stdin #stdout 0.01s 5520KB
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stdin
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Saturday 06:00:00
Sunday 06:01:00
Monday 06:02:00
Tuesday 06:03:00
Wednesday 06:04:00
Thursday 06:05:00
Friday 06:06:00
2
Saturday 05:52:20
Thursday 06:05:00
stdout
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https://ideone.com/wBdXCf
language:
C++14 (clang 8.0)
created:
1 year ago
visibility:
public

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