View Compilation Error

0_0_39278713_26356.cpp: In function 'int main()':
0_0_39278713_26356.cpp:53:21: error: redeclaration of 'int a'
   53 |                 int a = find(a), b = find(b);
      |                     ^
0_0_39278713_26356.cpp:50:21: note: 'int a' previously declared here
   50 |                 int a,b;
      |                     ^
0_0_39278713_26356.cpp:53:34: error: redeclaration of 'int b'
   53 |                 int a = find(a), b = find(b);
      |                                  ^
0_0_39278713_26356.cpp:50:23: note: 'int b' previously declared here
   50 |                 int a,b;
      |                       ^