n/2 times (n + 1)
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#include #define NUM 100 //since prog is to be written for adding 100 naturalint main(){int i,sum=0;for(i=1;i
#include#include#includevoid main(){int i,n,sum=0;clrscr();printf("n=");scanf("%d",&n);for (i=1;i
to print the sum of first ten numbers:- void main() {int i,sum; sum=0; while(i<=10) sum=sum+i; i=i+1; } printf("The sum is : %d",sum); }
#include#includevoid main(){int sum_sqr(int n);clrscr();printf("%d",sum_sqr(5));//Sum of first 5 natural numbers' square valuesgetch();}int sum_sqr(int n){int i,sum=0;for(i=1;i
int sum = 0; int i; for(i = 0; i < n; ++i) { sum += i; }