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Ques:-27) Write a program to input ten numbers from keyboard and find the sum of all even numbers and odd numbers
Here’s a C program that inputs ten numbers from the keyboard and finds the sum of all even and odd numbers:
#include"stdio.h"
#include"conio.h"
void main()
{
int arr[100],i,ev_sum=0,od_sum=0;
clrscr();
printf("enter 10 integers:");
for(i=1;i<=10;i++)
scanf("%d",&arr[i]);
for(i=1;i<=10;i++)
{
if(arr[i]%2==0)
ev_sum+=arr[i];
else
od_sum+=arr[i];
}
printf("sum of even no is %d and odd no is %d",ev_sum,od_sum);
getch();
}
Out Put
enter 10 integers: 12 3 45 6 7 88 9 0 23 21
sum of even no is 106 andodd no is 108
Another Example
#include <stdio.h>
int main() {
int numbers[10];
int even_sum = 0, odd_sum = 0;
// Input 10 numbers from the user
printf("Enter 10 numbers: \n");
for (int i = 0; i < 10; i++) {
printf("Number %d: ", i + 1);
scanf("%d", &numbers[i]);
}
// Calculate the sum of even and odd numbers
for (int i = 0; i < 10; i++) {
if (numbers[i] % 2 == 0) {
even_sum += numbers[i];
} else {
odd_sum += numbers[i];
}
}
// Output the results
printf("Sum of even numbers: %d\n", even_sum);
printf("Sum of odd numbers: %d\n", odd_sum);
return 0;
}
Explanation:
- Array Declaration: An array
numbersof size 10 is declared to store the user inputs. - Input Loop: A
forloop runs 10 times to take input from the user and store it in the array. - Sum Calculation Loop: Another
forloop iterates through the array to calculate the sums of even and odd numbers. - Condition Check: Inside the second loop, each number is checked to see if it is even or odd using the modulus operator (
%). Ifnumbers[i] % 2 == 0, the number is even; otherwise, it is odd. - Sum Update: Based on the condition check, the number is added to
even_sumorodd_sum. - Output: Finally, the sums of even and odd numbers are printed.
Sample Output:
Enter 10 numbers:
Number 1: 12
Number 2: 7
Number 3: 5
Number 4: 10
Number 5: 2
Number 6: 3
Number 7: 8
Number 8: 15
Number 9: 6
Number 10: 1
Sum of even numbers: 38
Sum of odd numbers: 31
You can compile and run this program using a C compiler like gcc. Here’s how you can do it:
- Save the program in a file, e.g.,
sum_even_odd.c. - Open a terminal and navigate to the directory containing the file.
- Compile the program using
gcc:
gcc -o sum_even_odd sum_even_odd.c
Run the compiled program:
./sum_even_odd
