View Compilation Error

0_0_40091763_20671.cpp:7:18: error: 'retore' does not name a type
    7 | int linker[MAXN];retore the right element
      |                  ^~~~~~
0_0_40091763_20671.cpp: In function 'bool dfs(int)':
0_0_40091763_20671.cpp:12:22: error: 'used' was not declared in this scope
   12 |         if(g[u][v]&&!used[v]){
      |                      ^~~~
0_0_40091763_20671.cpp: In function 'int hungary()':
0_0_40091763_20671.cpp:26:16: error: 'used' was not declared in this scope
   26 |         memset(used,0,sizeof(used));
      |                ^~~~