--- title: "智力测试" created: 2025-11-28 tags: - 算法 --- # 智力测试 ## 题目 [智力测试](https://www.acwing.com/problem/content/4425/) ![[image-86c754fa.png]] ## 思路分析 ![[image-7657880d.png]] ## 代码实现 ```cpp #include using namespace std; #define endl '\n' typedef long long ll; const int N=1e4+10; ll s[N]; int main() { ios::sync_with_stdio(0),cin.tie(0),cout.tie(0); int n;cin>>n; for(int i=1;i<=N;i++) { s[i]=s[i-1]+(i*(i+1)/2); if(s[i]>n){ cout<