View Compilation Error

0_0_39734930_32392.cpp:11:17: error: 'pos' has not been declared
   11 | void dfs(int l, pos,int repos){
      |                 ^~~
0_0_39734930_32392.cpp: In function 'void dfs(int, int, int)':
0_0_39734930_32392.cpp:21:15: error: 'pos' was not declared in this scope; did you mean 'pow'?
   21 |     for(int i=pos+1;i<=n;i++){
      |               ^~~
      |               pow
0_0_39734930_32392.cpp: In function 'int main()':
0_0_39734930_32392.cpp:37:15: error: 'l' was not declared in this scope
   37 |         cnt=0,l=0;
      |               ^