C Program to Generate Numbers in Pyramid Pattern

                                                    

This C program generates the numbers in pyramid pattern. It takes the input from two through nine and generates the numbers in the pyramid pattern. For example if the input is 4 then the program produces the following output

…

   ….1
      2 2
     3 3 3 
   4 4 4 4 & so on..

CODE:

#include<stdio.h>
#include<conio.h>
void main()
{
int i,n,j,x=40,y=10;
clrscr();
printf(“Enter n (between 2 & 9)\n”);
scanf(“%d”,&n);
for(i=1;i<=n;i++)
{
gotoxy(x,y); /* To take the cursor to the co-ordinates x & y */
for(j=1;j<=i;j++)
{
 printf(“%d “,i);
}
x=x-1;
y++;
}
getch();
}

A Self Destructing Program in C

This program will destroy itself upon execution. The program will cause the .exe file to be deleted upon execution. That is this program is capable of destroying itself upon execution. Here is the code
 

#include<stdio.h>
#include<conio.h>
#include<dos.h>
void main()
{
printf(“This program will destroy itself if u press any key!!!\n”);
getch();
remove(_argv[0]);/*array of pointers to command line arguments*/
}

HOW TO COMPILE ?

Load the source code to the compiler and compile (press Alt-F9) and then press F9. This will generate the .exe file in the current directory (Bin directory). Execute this .exe file it will destroy itself upon execution.