View Compilation Error

0_0_39826841_21409.cpp: In function 'int main()':
0_0_39826841_21409.cpp:53:13: error: expected primary-expression before 'if'
   53 |             if(union_n[root2]==1){
      |             ^~
0_0_39826841_21409.cpp:52:30: error: expected ')' before 'if'
   52 |             pre[root2]=root1;
      |                              ^
      |                              )
   53 |             if(union_n[root2]==1){
      |             ~~                
0_0_39826841_21409.cpp:50:11: note: to match this '('
   50 |         if(
      |           ^
0_0_39826841_21409.cpp:62:5: error: expected primary-expression before '}' token
   62 |     }
      |     ^