View Compilation Error

0_0_39727703_28290.cpp:9:34: error: 'manx' was not declared in this scope; did you mean 'maxn'?
    9 | int qfg[maxn * maxn],vis[maxn  * manx];
      |                                  ^~~~
      |                                  maxn
0_0_39727703_28290.cpp: In function 'bool dfs(long long int)':
0_0_39727703_28290.cpp:15:22: error: 'vis' was not declared in this scope
   15 |                 if (!vis[v]){
      |                      ^~~
0_0_39727703_28290.cpp: In function 'long long int maxMatch(long long int)':
0_0_39727703_28290.cpp:28:43: error: 'vis' was not declared in this scope
   28 |                 for (int j = 0;j <= n;j++)vis[j] = 0;
      |                                           ^~~
0_0_39727703_28290.cpp: In function 'void init(long long int)':
0_0_39727703_28290.cpp:36:26: error: 'vis' was not declared in this scope
   36 |                 qfg[i] = vis[i] = 0;
      |                          ^~~