题解 | 小乐乐求和
小乐乐求和
https://www.nowcoder.com/practice/ce0b2eacd3d04647831358c2876e44ff?tpId=383&tags=&title=&difficulty=0&judgeStatus=0&rp=0&sourceUrl=%2Fexam%2Foj%3FquestionJobId%3D10%26subTabName%3Donline_coding_page
#include <stdio.h>
int main() {
int i=0;
long long sum=0;
long long n;
scanf("%lld",&n);
for(i=1;i<=n;i++){
sum+=i;
}
printf("%lld",sum);
return 0;
}