题目链接: 线性DP代码(O(n^2)时间复杂度):
#include<bits/stdc.h>
#define int long long
using namespace std;
const int N 1e510;int n 0;
int arr[N];
int dp[N];
vector<int> q;signed main(){int x;while(…
题目源代码 function doLogin(){var username $("#username").val();var password $("#password").val();if(username "" || password ""){alert("Please enter the username and password!");return;}var data "…
文章题目:Association of a novel nutritional index with cognitive impairment in middle-aged and elderly Chinese adults: a cross-sectional analysis from the China Health and Retirement Longitudinal Study DOI:10.3389/fnut.2025.1486917 中…