#include <stdio.h>
int main()
{
int i, n;
int sum_odd = 0, sum_even = 0;
printf("Enter the number up to which you want to calculate sum : ");
scanf("%d", &n);
for (i = 1; i <= n; i++)
{
if (i % 2 == 0)
sum_even = sum_even + i;
else
sum_odd = sum_odd + i;
}
printf("nSum of all even numbers is : %d", sum_even);
printf("nSum of all odd numbers is : %d", sum_odd);
}
Output :
Enter the number up to which you want to calculate sum : 100
Sum of all even numbers is : 2550
Sum of all odd numbers is : 2500
Computer Science » C Program » Fibonacci Series Starting from Any Two Numbers Program : [php]#include<stdio.h> int main() { int first, second, sum, num, counter = 0; printf("Enter the term : "); scanf("%d", &num); printf("nEnter First Number : "); scanf("%d", &first); printf("nEnter Second Number : "); scanf("%d", &second); printf("nFibonacci Series : %d %d ", first, second); while (counter < num) { sum = first + second; printf("%d ", sum); first = second; second = sum; counter++; } return (0); }[/php] Output : [php]Enter the term : 5 Enter First Number : 1 Enter Second Number : 3 Fibonacci Series : 1 2 3 5 8 13 21[/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 » Even Number Pyramid Program : [php]#include<stdio.h> int main() { int i, j, num = 2; for (i = 0; i < 4; i++) { num = 2; for (j = 0; j <= i; j++) { printf("%dt", num); num = num + 2; } printf("n"); } return (0); }[/php] Output : [php]2 2 4 2 4 6 2 4 6 8 [/php]
Computer Science » C Program » Calculate Sum and Average of an Array Program : [php]#include <stdio.h> int main() { int Arr[50]; int n, i, sum = 0; float average; printf("Enter the number of elements in Array : "); scanf("%d", &n); for (i = 0; i < n; i++) { printf("nEnter element %d : ", i + 1); scanf("%d", &Arr[i]); sum = sum + Arr[i]; } average = (float)sum/n; printf("nThe sum of the elements array is : %d", sum); printf("nThe average of the elements array is : %0.2f", average); return 0; }[/php] Output : [php]Enter the number of elements in Array : 5 Enter element 1 : 20 Enter element 2 : 30 Enter element 3 : 40 Enter element 4 : 50 Enter element 5 : 60 The sum of the elements array is : 200 The average of the elements array is : 40.00[/php]
Computer Science » C Program » Fibonacci Series Starting from Any Two Numbers Program : [php]#include<stdio.h> int main() { int first, second, sum, num, counter = 0; printf("Enter the term : "); scanf("%d", &num); printf("nEnter First Number : "); scanf("%d", &first); printf("nEnter Second Number : "); scanf("%d", &second); printf("nFibonacci Series : %d %d ", first, second); while (counter < num) { sum = first + second; printf("%d ", sum); first = second; second = sum; counter++; } return (0); }[/php] Output : [php]Enter the term : 5 Enter First Number : 1 Enter Second Number : 3 Fibonacci Series : 1 2 3 5 8 13 21[/php]