题解 | #小乐乐求和#
小乐乐求和
https://www.nowcoder.com/practice/ce0b2eacd3d04647831358c2876e44ff
#include <stdio.h>
int main()
{
long n, result = 0;
scanf("%ld", &n);
while (n)
{
result += n;
n--;
}
printf("%ld\n", result);
return 0;
}
