View Code of Problem 30
#include<stdio.h>
int main ()
{
int n,sum=0;
while(scanf("%d",&n)!=EOF)
{ sum=(n+1)*n/2;
printf("%d\n",sum);
}
} |
Double click to view unformatted code.
Back to problem 30
#include<stdio.h>
int main ()
{
int n,sum=0;
while(scanf("%d",&n)!=EOF)
{ sum=(n+1)*n/2;
printf("%d\n",sum);
}
} |
Double click to view unformatted code.