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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. // your code goes here
  6. int a=10;
  7. {
  8. int a=20;
  9. {
  10. cout<<a;
  11. }
  12. cout<<a;
  13. }
  14. return 0;
  15. }
Success #stdin #stdout 0.01s 5532KB
stdin
Standard input is empty
stdout
2020