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(); }
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