time_t start_time, cur_time;
 
         time(&start_time);
         do
         {
                 time(&cur_time);
         }
         while((cur_time - start_time) < 3);

#include <iostream>
#include <ctime>
 
using namespace std;
 
void delay(int milliSec){
 
	const unsigned int clk_strt = clock();
 
	while(clock() - clk_strt < milliSec)
		continue;
}
int main(){
 
	for(int i = 0; i < 5; i++)
	{
		delay(1000);
		cout<< (i+1) << " seconds has passed\n";
	}
}