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  1. #include <chrono>
  2. #include <iostream>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7. const auto input = 13.42;
  8. const auto output = chrono::system_clock::to_time_t(chrono::system_clock::time_point(chrono::duration_cast<chrono::seconds>(chrono::duration<double>(input))));
  9.  
  10. cout << input << "->" << output << endl;
  11. }
Success #stdin #stdout 0s 4484KB
stdin
Standard input is empty
stdout
13.42->13