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0_0_18476244_3603.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
 #include#include#include#include#include#include#include#include#include#include#includeusing namespace std ;#define LEN   sizeof(struct node)#define pret(a,b) memset(a,b,sizeof(a))#define lld __int64const double PI = 3.1415926 ;const double INF = 999999999 ;const double esp = 1e-4 ;const lld  md= 2810778 ;const int MX = 20 ;int n ;char s[MX] ;bool vis[1q ;    node curt,next ;    while(!q.empty()) q.pop() ;    memset(vis,false,sizeof(vis)) ;    curt.key=curt.step=0 ;    vis[0]=true ;    q.push(curt) ;    while(!q.empty())    {        curt=q.front() ;        q.pop() ;        for(int i=0 ;i 染色            }            for(int j=i-1 ;j=(i\n)*n ;j--) // 从当前节点向左扩展            {                if(key&(1=0 ;j--)            {                if((key&(1参考：http://blog.csdn.net\nyist_zxp/article/details/23338569                              
         ^