View Compilation Error

0_0_39415999_20208.cpp: In function 'void dfs(int, int, int)':
0_0_39415999_20208.cpp:13:31: error: 'sep' was not declared in this scope; did you mean 'step'?
   13 |                         dfs(i,sep+1,sum+s[p][i]);
      |                               ^~~
      |                               step