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  1. #include <iostream>
  2. #include <iomanip>
  3. #include <sstream>
  4.  
  5. using namespace std;
  6.  
  7. void dayNight(string ss)
  8. {
  9.     int h, m, s;
  10.     char c;
  11.     istringstream(ss) >> h >>c >> m >> c >> s;
  12.  
  13.     if (h >=21 || h <= 5) cout << "Ночь\n"; else cout << "День\n";
  14. }
  15.  
  16.  
  17. int main(int argc, char * argv[])
  18. {
  19.     dayNight("13:02:01");
  20.     dayNight("23:02:01");
  21.  
  22. }
  23.  
Success #stdin #stdout 0s 5460KB
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stdin
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Standard input is empty
stdout
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День
Ночь
https://ideone.com/tbHrsj
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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