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