xxxxxxxxxx
#include<stdio.h>
main()
{
int n,s,i;
printf("Enter a number: ");
scanf("%d",&n);
printf("\n");
s=1;
i=1;
do
{
printf("%d+",i);
i++;
s=s+i;
}
while(i<n);
printf("%d",i);
printf(" = %d",s);
}
xxxxxxxxxx
#include<stdio.h>
main()
{
int n,s,i;
printf("Enter a number: ");
scanf("%d",&n);
printf("\n");
s=0;
for(i=1;i<n;i++)
{
printf("%d+",i);
s=s+i;
}
s=s+i;
printf("%d",i);
printf(" = %d",s);
}
xxxxxxxxxx
#include<stdio.h>
main()
{
int n,s,i;
printf("Enter a number: ");
scanf("%d",&n);
printf("\n");
s=1;
i=1;
while(i<n)
{
printf("%d+",i);
i++;
s=s+i;
}
printf("%d",i);
printf(" = %d",s);
}