Programming: Countdown Timer

#include <iostream>#include<Windows.h>using namespacestd;classti{intH//hours    intM//minutes    intS//seconds Public:    void Set(intHourintMinintSec//Passing timer values{h=hour; M=min; S=sec;    }; voidTick ()//Timing Bounce{Sleep ( +);//execution hangs for 1000 milliseconds, that is, wait one second before proceedings--; if(S <0) {s= -; M--; if(M <0) {m= -; H--;    }        }    }; voidShow ()//Show remaining time    {        if(H <Ten) {cout<<0; } cout<< h<<":"; if(M <Ten) cout<<0; cout<< m<<":"; if(S <Ten) cout<<0; cout<<s;    }; voidrun () { while(H | | m | | s)//keep running until full 0{tick (); System ("CLS");                    Show (); } cout<<"Time out!"<<Endl; }}; intMain () {TI t; T.Set(0,2,0);//2 minutes Countdown .T.run ();}

Wait a second method,

(1) Sleep (1000); wait 1000 milliseconds

(2) #include <time.h>

time_t t=time (NULL); Gets the number of seconds that have been counted since January 1, 1970

while (Time (NULL) ==t); Until the number of seconds is different, that's 1 seconds.

Programming: Countdown Timer