Find sum of odd and even numbers from 1 to N

June 7, 2013
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/* Write a C program to find the sum of odd numbers and *
* sum of even numbers from 1 to N. Output the computed *
* sums on two different lines with suitable headings   */

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

void main()
{
int i, N, oddSum = 0, evenSum = 0;

clrscr();

printf(“Enter the value of N\n”);
scanf (“%d”, &N);

for (i=1; i <=N; i++)
{
if (i % 2 == 0)
evenSum = evenSum + i;
else
oddSum = oddSum + i;
}

printf (“Sum of all odd numbers  = %d\n”, oddSum);
printf (“Sum of all even numbers = %d\n”, evenSum);
}
/*—————————–
Output
RUN1

Enter the value of N
10
Sum of all odd numbers  = 25
Sum of all even numbers = 30

RUN2
Enter the value of N
50
Sum of all odd numbers  = 625
Sum of all even numbers = 650

——————————*/

 

Mohit Arora
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