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delay() Function in C++ Programming Language
delay() Function in C++
delay() function is used to hold the program's execution for given number of milliseconds, it is declared in dos.h header file.
There can be many instances when we need to create a delay in our programs. C++ provides us with an easy way to do so. We can use a delay() function for this purpose in our code. We can run the code after a specific time in C++ using delay() function.
Syntax for delay() Function in C++
void delay(unsigned int milliseconds);
milliseconds
how many milliseconds to delay
The function takes one parameter which is unsigned integer.
Here, void suggests that this function returns nothing.
'delay' is the function name.
/* hold the program's execution for given number of milliseconds by delay() function code example. */
#include<iostream.h>
#include<dos.h> //for delay()
#include<conio.h> //for getch()
int main()
{
clrscr();
int n;
cout<<"Enter the delay (in seconds) you want to make after giving input."<<endl;
cin>>n;
delay(n*1000);
cout<<"This has been printed after "<< n <<" seconds delay";
getch();
return 0;
}
Program checks whether an year ("integer") entered by the user is a leap year or not. All years which are "perfectly divisible" by 4 are leap years except for century years which is
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