题目要求:
数列求和
#include<stdio.h>
int main(){
int i;
int n;
int sum;
while(scanf("%d",&n)!=EOF){
sum=0;
for(i=0;i<=n;i++){
sum+=i;
}
printf("%d
",sum);
}
return 0;
}
题目要求:
数列求和
#include<stdio.h>
int main(){
int i;
int n;
int sum;
while(scanf("%d",&n)!=EOF){
sum=0;
for(i=0;i<=n;i++){
sum+=i;
}
printf("%d
",sum);
}
return 0;
}