标签：ble ems class sum problems https turn pre ret
// language c
// 剑指64
// https://leetcode-cn.com/problems/qiu-12n-lcof/
int sumNums(int n){
int ans = n;
(n) &&(ans +=sumNums(n-1));
return ans;
}
标签：ble ems class sum problems https turn pre ret
原文地址：https://www.cnblogs.com/gallien/p/14351655.html
