C basic

C Program to check the given number is perfect or not.

Posted on by Sandeepa Nadahalli
C Program to check the given number is perfect or not?.  Perfect number is a positive integer that is equal to the sum of its proper positive divisors. example 6, divisor of 6 are 1, 2,3. Sum of divisors is 1+2+3=6.
Read more about C Programming Language . 

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#include<stdio.h>
int main(){
 int num,i=1,sum=0;

 printf("Enter a number: ");
 scanf("%d",&num);

 while(i<num){
  if(num%i==0)
   sum=sum+i;
  i++;
 }
 if(sum==num)
  printf("%d is a perfect number",i);
 else
  printf("%d is not a perfect number",i);

 return 0;
}
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C Program to print Pascal’s Triangle

Posted on by Sandeepa Nadahalli

Pascal Triangle is started by 1, then followed by The binomial coefficient (n,k),
where n is the non negative integer and k is the integer between 0 and n.
Pascal triangle is the triangular array.
Read more about C Programming Language.

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#include"stdio.h"
int main() 
{
    int r, i, j, b, num;
    printf("How many lines do you want?");
    scanf("%d", &r);
    b = r;
    for(i=0;i<r;i++) 
    {
        num = 1;
        for(j=0;j<=i;j++) 
        {
            printf("%d", num);
            num = (num * (i-j)/(j+1));
        }
        printf("n");
    }
}

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C Program to print Floyd’s triangle

Posted on by Sandeepa Nadahalli
Floyd’s triangle is the right angled triangular array of natural numbers. Here we used the nested For loop to print the Floyd’s triangle.
Read more about C Programming Language . 

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* You can use all the programs on  www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact info@c-program-example.com
* To find more C programs, do visit www.c-program-example.com
* and browse!
* 
*                      Happy Coding
***********************************************************/

#include<stdio.h>


int main(){
 int i,j,n,k=1;

 printf("Enter the range: ");
 scanf("%d",&n);

 printf("FLOYD'S TRIANGLEnn");
 for(i=1;i<=n;i++){
  for(j=1;j<=i;j++,k++)
   printf(" %d",k);
  printf("n");
 }

 return 0;
}
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C Program to show Sleep() function example.

Posted on by Sandeepa Nadahalli
C Program to show Sleep() function example.
sleep() function stops the execution of the program, wherever its invoked or called. It takes the arguments in microseconds. In Windows we use Sleep() function i,e ‘S’, and for other systems it is sleep() function.
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#include <time.h>
#include <stdio.h>
#include <windows.h> 
#include <conio.h>

int main()
{
 printf("This is the message before sleep() function");
 Sleep(1000); //1000 microsecond= 1 second will sleep...
 printf("This is the message after 1 second");
 getch();
 return 0;
}

However, I have to remind you that the program may change a bit based on
what Operating system and compiler you are using.

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C program to find the 2’s complement of a binary number.

Posted on by Sandeepa Nadahalli
C Program to calculate the 2’s complement of a binary number. 2’s complement of a number is obtained by scanning it from right to left and complementing all the bits after the first appearance of a 1. Thus 2’s complement of 11100 is 00100. Read more about C Programming Language .
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* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact info@c-program-example.com
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* and browse!
* 
*                                  Happy Coding
***********************************************************/


#include <stdio.h>
#include<conio.h>

void complement (char *a);
void main()
{
 char a[16];
 int i;
 clrscr();
 printf("Enter the binary number");
 gets(a);
 for(i=0;a[i]!='