#include <stdio.h>
int main()
{
int i, fact = 1, num;
printf("Enter the number : ");
scanf("%d", &num);
if (num <= 0)
fact = 1;
else
{
for (i = 1; i <= num; i++)
{
fact = fact * i;
}
}
printf("nFactorial of %d is : %5d", num, fact);
}
Computer Science » C Program » Find the Number of Elements in An Array Program : [php]#include <stdio.h> int main() { int array[] = {10, 20, 30, 40, 50, 60, 70,80,90,100}; int n,m; n = sizeof(array); m = n/sizeof(int); printf("Size of the given array is : %d", m); return 0; }[/php] Output : [php]Size of the given array is : 10[/php]
Computer Science » C Program » Inverted Pyramid Program : [php]#include<stdio.h> int main() { int i, j; char ch = '*'; for (i = 4; i >= 0; i--) { printf("n"); for (j = 0; j < i; j++) printf("%c", ch); } return(0); }[/php] Output : [php]**** *** ** *[/php]
Computer Science » C Program » Find Average of Two Numbers Program : [php]#include <stdio.h> int main() { int num1, num2; float avg; printf("nEnter first number : "); scanf("%d",&num1); printf("nEnter second number : "); scanf("%d",&num2); avg= (float)(num1+num2)/2; printf("nAverage of %d and %d is : %f",num1,num2,avg); return 0; }[/php] Output : [php]Enter first number : 5 Enter second number : 3 Average of 5 and 3 is : 4.00[/php]
Computer Science » C Program » Check Whether a Number is Prime or Not Program : [php]#include<stdio.h> int main() { int num, i, count = 0; printf("nEnter a number :"); scanf("%d", &num); for (i = 2; i <= num / 2; i++) { if (num % i == 0) { count++; break; } } if (count == 0) printf("n%d is a prime number.", num); else printf("n%d is not a prime number.", num); return 0; }[/php] Output 1: [php]Enter a number : 5 5 is a prime number.[/php] Output 2: [php]Enter a number : 4 4 is not a prime number.[/php]
Computer Science » C Program » Check Whether a Number is Perfect or Not Program : [php]#include<stdio.h> int main() { int num, i = 1, sum = 0; printf("nEnter a number : "); scanf("%d", &num); while (i < num) { if (num % i == 0) { sum = sum + i; } i++; } if (sum == num) printf("n%d is a perfect number.", i); else printf("n%d is not a perfect number.", i); return 0; }[/php] Output 1: [php]Enter a number : 6 6 is a perfect number.[/php] Output 2: [php]Enter a number : 5 is not a perfect number.[/php]
Computer Science » C Program » Find the Number of Elements in An Array Program : [php]#include <stdio.h> int main() { int array[] = {10, 20, 30, 40, 50, 60, 70,80,90,100}; int n,m; n = sizeof(array); m = n/sizeof(int); printf("Size of the given array is : %d", m); return 0; }[/php] Output : [php]Size of the given array is : 10[/php]