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  1. #include <iostream>
  2. #include <iomanip>
  3.  
  4. using namespace std;
  5.  
  6. int main(int argc, char* argv[])
  7. {
  8. []{for(time_t t=0,y;t<24;cout<<put_time(gmtime(&y),"%R %l:00%P\n"))y=t++*3600;}
  9. ();
  10. }
  11.  
Success #stdin #stdout 0s 3464KB
stdin
Standard input is empty
stdout
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01:00  1:00am
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10:00 10:00am
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12:00 12:00pm
13:00  1:00pm
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18:00  6:00pm
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21:00  9:00pm
22:00 10:00pm
23:00 11:00pm