状态转移方程递归关系（从已知求得未知的表达式）背包dp0-1背包，多重，完全，混合模版套用//多重背包#include<bits/stdc++.h>usingnamespacestd;constintN=507,M=1e5+7;intp,n,x,y,z,dp[10005];intmain(){ cin>>p>>n; for(inti=1;i<=n;i++){ scanf("%d%d

Kotlin编程知识总结总结自《Android第一行代码》变量varval可变变量不可变变量自动类型推导：vala=10显式声明类型：vala:Int=10函数关键词funfunmethodName(param1:Int,param2:Int):Int{ return0}语法糖funmethodName(param1:Int,param2:Int):

A.01矩形枚举上下界，two-pointers//Author:xiaruize//#pragmaGCCoptimize("-ofast")#include<bits/stdc++.h>usingnamespacestd;//#defineintlonglong#defineullunsignedlonglong#defineALL(a)(a).begin(),(a).end()#definepbpush_ba