View Compilation Error

0_0_21852567_26603.cpp:5:26: error: 'MAXNM' was not declared in this scope
 bool vis[MAXN],dis[MAXN][MAXNM];
                          ^
0_0_21852567_26603.cpp: In function 'void init()':
0_0_21852567_26603.cpp:11:4: error: 'dis' was not declared in this scope
    dis[i][j] = false;
    ^
0_0_21852567_26603.cpp: In function 'void dfs(int)':
0_0_21852567_26603.cpp:17:2: error: 'dis' was not declared in this scope
  dis[pos][u] = true;
  ^
0_0_21852567_26603.cpp: In function 'int main()':
0_0_21852567_26603.cpp:45:9: error: 'dis' was not declared in this scope
      if(dis[i][j] == false && dis[j][i] == false){
         ^