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