#include #include #include #include using namespace std; //enter start hour //followed by an enter and start minute //then reapeat the steps again for end time //example: /* 8 0 12 5 start time : 08:00 end time : 12:05 */ class hand { public: //all of these operator overwriten methods were already fully initialised in the derived classes virtual void operator++() = 0; virtual bool operator>(hand& h)= 0; virtual bool operator<(hand& h)= 0; virtual bool operator==(hand& h)= 0; virtual void setHours(int h) { if(h>23||h<0) return; hours = h; angle = (h*30)+(minutes*6); } virtual void setMinutes(int m) { if(m>59||m<0) return ; minutes = m; angle = (hours*30)+(m*6); } virtual int getAngle() = 0; virtual bool equals(hand &h)const=0; //friend functions; no need to override; friend void setTime(hand& o, int h, int m); friend int get(hand& o, char t); protected: //important members int hours=0, minutes=0, angle=0; }; //friend functions definition void setTime(hand& o, int h, int m) { if(h>=0&&h<24&&m>=0&&m<60) { o.hours = h; o.minutes = m; }else{return ;} } int get(hand& o, char t) { switch(t) { case 'h': case 'H': return o.hours; case 'm': case 'M': return o.minutes; } return 0; } //hour hand class definition class shortHand: public hand { public: //no errors here void operator ++ () { switch(hours) { case 23: hours=0; angle=0; break; default: hours++; angle+=30; } } bool operator > (hand& h) { if (hours>get(h,'h')) return true; else { if(hours==get(h,'h')) { if (minutes>get(h,'m')) return true; return false; } else return false; } } bool operator < (hand& h) { if (hours (hand& h) { if (hours>get(h,'h')) return true; else { if(hours==get(h,'h')) { if (minutes>get(h,'m')) return true; return false; } else return false; } } bool operator < (hand& h) { if (hours> r; return r; } string fillNum(int num) { return (num<10)?'0'+to_string(num):to_string(num); } array toTimeArr(string s) { s = s + 'e'; array a = {1,5}; string temp; int len; for(const auto i : s) { if (isdigit(i)) { temp += i; }else { try { if(len>1) throw 1; a[len] = toInt(temp); temp = ""; len++; }catch(int expr) { cerr << "WRONG FORMAT!\n"; exit(0); break; } } } return a; } } //the clock class, where everything happens here class Clock { public: hand* hour, *minute; void incMinute() { (*minute).operator++(); setTime(*hour,get(*minute,'h'),0); } void incHour() { hour->operator++(); setTime(*minute,get(*hour,'h'),get(*minute,'m')); } void tickNext() { minute->operator++(); setTime(*hour,get(*minute,'h'),0); } void wind(int h, int m) { if(h>23||h<0||m>59||m<0)return; hour->setHours(h); minute->setMinutes(m); minute->setHours(h); } void display() const { cout << my_space::fillNum(get(*hour,'h')) << ":" << my_space::fillNum(get(*minute,'m')) << endl; } inline int getMinutes() const { return get(*minute,'m'); } inline int getHours() const { return get(*hour,'h'); } //returns the singleton static Clock* getInstance() { if(single == NULL) { single = new Clock(); } return single; } private: longHand l; shortHand s; //singleton static Clock* single; //constructor Clock() { minute = &l; hour = &s; } //destructor ~Clock() {hour->~hand();minute->~hand();} }; //static member definition Clock* Clock::single = new Clock; int main(int argc, char* argv[]) { Clock* bob = Clock::getInstance(); array start, end; cout << "start time : \n"; cin >> start[0] >> start[1]; cout << "end time : \n"; cin >> end[0] >> end[1]; bob->wind(start[0],start[1]); int count{0}; do{ if(bob->hour->getAngle()==bob->minute->getAngle()) { count++; } bob->tickNext(); }while(bob->getHours()!=end[0]||bob->getMinutes()!=end[1]); cout << count << " times overlaped!"; return 0; } //385 lines thats alot!

clock hands(complete)