Add n number

C program to add nth number :

code

#include<stdio.h.

#include<conio.h>

void main()

{

int num,sum=0,i;

clrscr();

printf(“Enter number to add nth  number :”);

scanf(“%d”,&num);

for(i=1;i<=num;i++)

{

sum=sum+i;

}

printf(“\nAddition of nth number is %d”,sum);

}

getch();

}

 


output

Enter number to add nth  number :

5

Addition of nth number is 15

 

 

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