# include & ltwindows.h & gt
int t = 0；
Dword WinAPI countdown (lpvoid lpparam){// Enter the countdown.
int sec = 10； ? //This is set to 10 second. You can change it to 2 seconds or 3 seconds, and see the effect as soon as possible during the test.
while(t & lt； 10 * sec) {
++ t；
Sleep (100);
}
Printf("\n %d seconds, the correct answer is 2\n ",seconds);
Exit (1);
}
int main(){
int result =- 1；
Handling hThread
DWORD dwThreadID
printf(" 1+ 1 = ")；
hThread=::CreateThread(
NULL,//Default security attribute
NULL,//Default stack size
Countdown,//Thread Entry Address
NULL，？ //parameters passed to the function
0,//Specifies that the thread runs immediately.
& ampDwThreadID // Returns the ID number of the thread.
); ?
Scanf("%d ",& result);
If(result==2)printf ("correct");
Else printf ("Error, the correct answer is 2");
Printf (",it took you %g seconds \n", t/10.0);
* close handle(hThread)；
Returns 0;
}