View Compilation Error

0_0_27461541_3791.cpp: In function 'void init()':
0_0_27461541_3791.cpp:14:9: error: 'ank' was not declared in this scope
         ank[i] = 0;
         ^
0_0_27461541_3791.cpp: In function 'void unite(int, int)':
0_0_27461541_3791.cpp:27:8: error: 'ank' was not declared in this scope
     if(ank[x] < ank[y])
        ^
0_0_27461541_3791.cpp: In function 'int main()':
0_0_27461541_3791.cpp:48:33: error: 'ank' was not declared in this scope
             if(find(r) == r && !ank[r]) q1.push(r);
                                 ^
0_0_27461541_3791.cpp:51:33: error: 'ank' was not declared in this scope
             if(find(i) == i && !ank[i]) q2.push(i);
                                 ^