How to write a C Program to Add-Subtract Series 5-10+15 in C Programming Language ?
Solution:
- #include<stdio.h>
- int main()
- {
- int n, sum=0,i,number=5,sign=1;
- for(i=1; i<=9; i++) {
- sum = sum + number*sign;
- number = number + 5;
- sign = sign*(-1);
- }
- printf("%d", sum);
- }