题解 | #求1+2+3+...+n#
求1+2+3+...+n
https://www.nowcoder.com/practice/7a0da8fc483247ff8800059e12d7caf1
function Sum_Solution(n)
{
// write code here
n && (n += Sum_Solution(n-1));
return n;
}
module.exports = {
Sum_Solution : Sum_Solution
};
