View Compilation Error

0_0_35825210_14960.cpp: In function 'void unite(int, int)':
0_0_35825210_14960.cpp:35:9: error: declaration of 'int x' shadows a parameter
     int x = find(x);
         ^
0_0_35825210_14960.cpp:36:9: error: declaration of 'int y' shadows a parameter
     int y = find(y);
         ^