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  1. #include <iostream>
  2. using namespace std;
  3. int main(){
  4. for(int i=0; i<10; i++)
  5. cout<< (i<<i);
  6.  
  7. return 0;
  8. }
Success #stdin #stdout 0s 3340KB
stdin
Standard input is empty
stdout
028246416038489620484608