fork(1) download
copy 
  1. #include <iostream>
  2. #include <vector>
  3. #include <algorithm>
  4. using namespace std;
  5.  
  6. typedef int WORD;
  7.  
  8. typedef struct _SYSTEMTIME {
  9.   WORD wYear;
  10.   WORD wMonth;
  11.   WORD wDayOfWeek;
  12.   WORD wDay;
  13.   WORD wHour;
  14.   WORD wMinute;
  15.   WORD wSecond;
  16.   WORD wMilliseconds;
  17. } SYSTEMTIME;
  18.  
  19. class ClosestTo {
  20.     int minute_now;
  21.     int abs_minute(const SYSTEMTIME& t) const {
  22.         return 60 * (24 * t.wDayOfWeek + t.wHour) + t.wMinute;
  23.     }
  24.     int diff_to_now(const SYSTEMTIME& t) const {
  25.         int res = abs_minute(t) - minute_now;
  26.         // Has it passed?
  27.         if (res < 0) {
  28.             // Move to next week
  29.             res += 7*24*60;
  30.         }
  31.         return res;
  32.     }
  33. public:
  34.     ClosestTo(const SYSTEMTIME& now)
  35.     :   minute_now(abs_minute(now)) {
  36.     }
  37.     bool operator() (const SYSTEMTIME& lhs, const SYSTEMTIME& rhs) const {
  38.         return diff_to_now(lhs) < diff_to_now(rhs);
  39.     }
  40. };
  41.  
  42. int main() {
  43.     SYSTEMTIME m_MatchTime[3];
  44.  
  45.     // Monday: 00:00
  46.     m_MatchTime[0].wDayOfWeek = 1;
  47.     m_MatchTime[0].wHour = 22;
  48.     m_MatchTime[0].wMinute = 4;
  49.  
  50.     // Sunday: 01:00
  51.     m_MatchTime[1].wDayOfWeek = 4;
  52.     m_MatchTime[1].wHour = 1;
  53.     m_MatchTime[1].wMinute = 0;
  54.  
  55.     // Wednesday: 15:30
  56.     m_MatchTime[2].wDayOfWeek = 6;
  57.     m_MatchTime[2].wHour = 15;
  58.     m_MatchTime[2].wMinute = 30;
  59.  
  60.     // Sunday 23:00
  61.     SYSTEMTIME cTime;
  62.     cTime.wDayOfWeek = 3;
  63.     cTime.wHour = 14;
  64.     cTime.wMinute = 5;
  65.  
  66.     ClosestTo cmp(cTime);
  67.     sort(m_MatchTime, m_MatchTime+3, cmp);
  68.  
  69.     SYSTEMTIME &nearest = m_MatchTime[0];
  70.     cout << "CurrentTime\n"  
  71.     << "Day:" << cTime.wDayOfWeek
  72.     << "Hour:" << cTime.wHour
  73.     << "Min:" << cTime.wMinute 
  74.  
  75.     << "\nDay:" << nearest.wDayOfWeek
  76.     << "Hour:" << nearest.wHour
  77.     << "Min:" << nearest.wMinute << endl;
  78. 	return 0;
  79. }
Success #stdin #stdout 0.01s 2728KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
CurrentTime
Day:3Hour:14Min:5
Day:4Hour:1Min:0
https://ideone.com/VFxpGJ
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!