萍乡网站建设行吗,隐私页 wordpress,百度营销-网站分析培训,与客户沟通网站建设的技巧题目#xff1a; 题解#xff1a;
class Solution {
public:int arrangeCoins(int n) {return (int) ((sqrt((long long) 8 * n 1) - 1) / 2);}
};题目 题解
class Solution {
public:int arrangeCoins(int n) {return (int) ((sqrt((long long) 8 * n 1) - 1) / 2);}
};