View Compilation Error

0_0_16719801_7264.cpp: In function 'void init(UF*, int)':
0_0_16719801_7264.cpp:15:36: error: invalid conversion from 'void*' to 'int*' [-fpermissive]
     uf->id = malloc(sizeof(int) * N);
                                    ^
0_0_16719801_7264.cpp:16:36: error: invalid conversion from 'void*' to 'int*' [-fpermissive]
     uf->sz = malloc(sizeof(int) * N);
                                    ^