王川的私房菜

#include #include #include #include #include #include #include #include #include #include using namespace std;#define MAX 10000#define MOD 9991struct node{int key;int val;node *pre;node *next;node(i

先看一道题： Single Number   Given an array of integers, every element appears twice except for one. Find that single one. Note: Your algorithm should have a linear runtime complexity. Coul

个人笔记： 学习笔记1：c++实现LRU算法