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  1. #include<iostream>
  2. using namespace std;
  3. int main()
  4. {
  5. for(int i=1;i<=20;i++)
  6. {
  7. cout<<i<<endl;
  8. }
  9. return 0;
  10. }
  11.  
Success #stdin #stdout 0s 4436KB
stdin
Standard input is empty
stdout
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