View Compilation Error

0_0_39602351_25306.cpp: In function 'void Union(int, int)':
0_0_39602351_25306.cpp:12:13: error: declaration of 'int a' shadows a parameter
   12 |         int a = Find(a);
      |             ^
0_0_39602351_25306.cpp:11:16: note: 'int a' previously declared here
   11 | void Union(int a, int b) {//合并操作
      |            ~~~~^
0_0_39602351_25306.cpp:13:13: error: declaration of 'int b' shadows a parameter
   13 |         int b = Find(b);
      |             ^
0_0_39602351_25306.cpp:11:23: note: 'int b' previously declared here
   11 | void Union(int a, int b) {//合并操作
      |                   ~~~~^