其实非常简单,甚至比递推写法简单
比如P2704,递推做这个比较麻烦,但状压记搜强大
#include<bits/stdc++.h>
#include<bits/extc++.h>
using namespace std;
using namespace __gnu_cxx;
using namespac…
二、学习回归
1. y y y与 f θ ( x ) f_\theta(x) fθ(x) y y y 是实际数据x对应的值 f θ ( x ) f_\theta(x) fθ(x)是我们构造出来的函数,例如 f θ ( x ) θ 0 θ 1 x f_\theta(x) \theta_0 \theta_1 x fθ(x)θ0θ1x
所以我们希望这两个越接近&…
Spring Gateway动态路由实现方案 - 详解pre { white-space: pre !important; word-wrap: normal !important; overflow-x: auto !important; display: block !important; font-family: "Consolas", "Mo…
A. Submission Bait(博弈)
题意:爱丽丝和鲍勃在大小为n的数组a中进行游戏,他们轮流进行运算,爱丽丝先开始,不能运算的一方输,一开始mx0,每次操作,玩家可以选择一个牵引i…
I will use the web search tool to find detailed explanations about the differences between asymmetric and symmetric encryption, including principles and specific cases.
It seems the initial search didn…