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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. int x = 0;
  6. bool x = true;
  7. }
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
prog.cpp: In function 'int main()':
prog.cpp:6:7: error: conflicting declaration 'bool x'
  bool x = true;
       ^
prog.cpp:5:6: note: previous declaration as 'int x'
  int x = 0;
      ^
stdout
Standard output is empty