View Compilation Error

0_0_26421792_5549.cpp: In function 'void dfs(int, int, LL, LL)':
0_0_26421792_5549.cpp:29:6: error: 'n' was not declared in this scope
   if(n%(num*(i+1)==0))
      ^
0_0_26421792_5549.cpp:30:10: error: 'de' was not declared in this scope
      dfs(de)
          ^
0_0_26421792_5549.cpp: In function 'int main()':
0_0_26421792_5549.cpp:44:13: error: too few arguments to function 'void dfs(int, int, LL, LL)'
    dfs(0,1,1);
             ^
0_0_26421792_5549.cpp:23:6: note: declared here
 void dfs(int dep,int limit,LL tmp,LL num){
      ^