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  1. #include <iostream>
  2. #include <ctime>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	// your code goes here
  7.  
  8.     time_t previous_time = 1470104004; // input previous time by hand
  9.  
  10.     // convert time_t to structure tm. You can use instead gmtime() for UTC
  11.     tm *tm_previous = localtime(&previous_time);
  12.  
  13. 	// print time using asctime() function.
  14. 	cout << asctime(tm_previous);
  15.  
  16. 	// for current time
  17.     time_t current_time = time(0); // get current time
  18.     tm *tm_current = localtime(&current_time);
  19. 	cout << asctime(tm_current);
  20.  
  21. 	// print by accessing contents of the structure
  22.     cout << tm_current->tm_year + 1900 // year 0 corresponds to 1900
  23.     << "/" << tm_current->tm_mon+1 // month starts from 0
  24.     << "/" << tm_current->tm_mday  // mday means day in a month
  25.     << " " << tm_current->tm_hour 
  26.     << ":" << tm_current->tm_min
  27.     << ":" << tm_current->tm_sec <<endl;
  28.  
  29.  
  30. 	// get unixtime from YY-mm-dd
  31.  
  32.     tm *jan2014 = localtime(&current_time);
  33.     jan2014->tm_year = 2014 - 1900;
  34.     jan2014->tm_mon = 1 - 1;
  35.     jan2014->tm_mday = 1;
  36.     jan2014->tm_hour = 0;
  37.     jan2014->tm_min = 0;
  38.     jan2014->tm_sec = 0;
  39.  
  40.     // print unix time
  41.     cout << mktime(jan2014) << endl;
  42.  
  43.     // print datime
  44.     cout << asctime(jan2014) << endl;
  45.  
  46. 	return 0;
  47. }
Success #stdin #stdout 0s 3460KB
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Tue Aug  2 02:13:24 2016
Tue Aug  2 03:55:19 2016
2016/8/2 3:55:19
1388534400
Wed Jan  1 00:00:00 2014
https://ideone.com/vTy7uN
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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