time function c++
/* Answer to: "time function c++" */
#include <chrono>
using namespace std::chrono;
auto start = high_resolution_clock::now();
auto stop = high_resolution_clock::now();
auto duration = duration_cast<microseconds>(stop - start);
cout << duration.count() << endl;c++ print current time
// Current date/time based on current system
time_t now = time(0);
// Convert now to tm struct for local timezone
tm* localtm = localtime(&now);
cout << "The local date and time is: " << asctime(localtm) << endl;
// Convert now to tm struct for UTC
tm* gmtm = gmtime(&now);
if (gmtm != NULL) {
cout << "The UTC date and time is: " << asctime(gmtm) << endl;
}
else {
cerr << "Failed to get the UTC date and time" << endl;
return EXIT_FAILURE;
}time function c++
#include <chrono>
using namespace std::chrono;
auto start = high_resolution_clock::now();
// perform function to be timed here...
auto stop = high_resolution_clock::now();
cout << duration_cast<microseconds>(stop - start).count() << endl;c++ get time
#include <chrono>
// Get the time since epoch (realtime clock), in milliseconds
int64_t getCurrentMSinceEpoch()
{
return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
}
// Get the time since started, in milliseconds
// Better for time difference because it's faster than system_clock
int64_t getTimeMS()
{
return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::steady_clock::now().time_since_epoch()).count();
}Copyright © 2021 Codeinu
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