View Compilation Error

0_0_22828334_22424.cpp: In function 'bool cmp(int*, int, int, int)':
0_0_22828334_22424.cpp:38:26: error: 'par' was not declared in this scope
     return r[a]==r[b]&&r[par[a][l]]==r[par[b][l]];
                          ^
0_0_22828334_22424.cpp: In function 'void da(int, int)':
0_0_22828334_22424.cpp:54:34: error: 'par' was not declared in this scope
         for(int i=0;i<n;i++) add(par[i][qq],i);
                                  ^
0_0_22828334_22424.cpp: In function 'int main()':
0_0_22828334_22424.cpp:90:14: error: too few arguments to function 'void init(int)'
         init();
              ^
0_0_22828334_22424.cpp:71:6: note: declared here
 void init(int n)
      ^