View Compilation Error

0_0_33629261_23105.cpp: In function 'long long int slove(int, int)':
0_0_33629261_23105.cpp:55:6: error: declaration of 'int u' shadows a parameter
  int u = find(u), v = find(v);
      ^
0_0_33629261_23105.cpp:55:19: error: declaration of 'int v' shadows a parameter
  int u = find(u), v = find(v);
                   ^