摘要：
splay 练手用；杭电的oj要手动开栈；#include#pragma comment(linker, "/STACK:102400000,102400000")#include#include#define inf 999999#define maxn 1500009#define lch(rt) son[rt][0]#define rch(rt) son[rt][1]using namespace std;int son[maxn][2],fa[maxn];int val[maxn],size[maxn],flg[maxn];int cnt,root;int num[ 阅读全文