aaa

#include <list> 
#include <iostream> 
using namespace std ; 
 
typedef list<int> LISTINT; 
 
LISTINT listAnother; 
LISTINT list_result; 
 
int d[4][4]={{-1,3,6,7},{2,-1,8,6},{7,3,-1,5,},{7,3,7,-1}}; //路径权值
int matrix_length=4;