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#include<iostream> #include<stdio.h> #include<string.h> #include<algorithm> #include<math.h> #include<sstream> using namespace std; #define L 101 typedef struct node; typedef node *tree; //tree => &node;tree本身就代表.

#include<iostream> #include<stdio.h> #include<string.h> #include<algorithm> #include<math.h> #include<sstream> using namespace std; #define L 101 typedef struct node; typedef node *tree; //tree => &node;tree本身就代表.

#include<iostream> #include<stdio.h> #include<string.h> #include<algorithm> #include<math.h> #include<sstream> using namespace std; #define L 101 typedef struct node; typedef node *tree; //tree => &node;tree本身就代表.

#include<iostream> #include<stdio.h> #include<string.h> #include<algorithm> #include<math.h> #include<sstream> using namespace std; #define L 101 typedef struct node; typedef node *tree; //tree => &node;tree本身就代表.