C PROGRAM FOR SUM OF 1ST TEN NATURAL NUMBERS

Write a program to find the Sum of 1^st ten natural numbers by using (do-while statement):

 #include<stdio.h>

#include<conio.h>

int main()

{

int i=1,sum=0, N;

clrscr();

printf("Enter the first ten natural number");

scanf("%d",&N);

do

{

sum=sum+i;

i++;

}

while(i<=10);

printf("Sum of 1^st ten natural number is %d",sum);

getch();

return(0);

}

OUTPUT:

Enter the first ten natural number

1 2 3 4 5 6 7 8 9 10

Sum of 1^st ten natural number is 55