Find out the perfect number using c program

Write a C Program to Find out the perfect number using c program?

#include<stdio.h>
int main(){
  int n,i=1,sum=0;
  printf("\nEnter a number:-");
  scanf("%d",&n);
  while(i<n){
      if(n%i==0)
           sum=sum+i;
          i++;
  }
  if(sum==n)
      printf("\nThe no %d is a perfect number",i);
  else
      printf("\nThe no %d is not a perfect number",i);
  return 0;
}

Find g.c.d of two number using c program.

How To Find g.c.d of two number using c program.

#include<stdio.h>

int main(){

int n1,n2;

printf("\nEnter two numbers:");

scanf("%d %d",&n1,&n2);

while(n1!=n2){

if(n1>=n2-1)

n1=n1-n2;

else

n2=n2-n1;

}

printf("\nGCD=%d",n1);

return 0;

}

Write a c program to find out NCR factor of given number

How to Write a c program to find out NCR factor of given number in C Programming ?

#include<stdio.h>

int main(){

  int n,r,ncr;

  printf("Enter any two numbers->");

  scanf("%d %d",&n,&r);

  ncr=fact(n)/(fact(r)*fact(n-r));

  printf("The NCR factor of %d and %d is %d",n,r,ncr);

  return 0;

}

 int fact(int n){

  int i=1;

  while(n!=0){

      i=i*n;

      n--;

  }

  return i;

 }

How to Write a C program to find maximum between two numbers ?

Write a C program to find maximum between two numbers.

1. /*Write a C program to find maximum between two numbers */
4. #include <stdio.h>
6. int main ()
8. {
9.     int a,b;
10.     printf("Find the maximum between two number: ");
11.     scanf("%d %d", &a, &b);
13.     if ( a < b ){
14.         printf("Minimum Number:%d\n",a);
15.     }
17.     if ( a > b ){
18.         printf("Maximum Number%d\n",b);
19.     }
21.     return 0;
22. }

Write a C program to find maximum between three numbers ?

Write a C program to find maximum between three numbers.

1. /*Write a C program to find maximum between three numbers */
4. #include<stdio.h>
6. int main ()
8. {
9.     int a, b, c, max;
10.     printf("find maximum between three numbers: ");
11.     scanf("%d %d %d", &a, &b, &c);
13.     if( a > b){
14.         max = a;
15.     }
16.     if( b > a){
17.         max = b;
18.     }
20.     if( b > c){
21.         max = b;
22.     }
24.     if( c > a){
25.         max = c;
26.     }
28.    if( a > c ){
29.        max = a;
30.    }
32.    if ( c > b){
33.     max = c;
34.    }
36.    printf("The maximum number is: %d\n", max);
38.     return 0;
39. }

C or C++ program to read marks of 4 subjects and find how many students are pass and fail with division

Write a C or C++ program to read marks of 4 subjects and find how many students are pass and fail with division.

This program to read marks of 4 subjects and find how many students are pass and fail with division.

To read marks of 4 subjects and find out how many students fall under the following categories:

a) avg<45 - Fail
b) 45 <= avg <55- Third Division
c) 55<= avg <60 - Second Division
d) 60<= avg <75 - First Division
e) avg >=75 - Distinction

Solution For C Program: