CppTimeStampTest.cpp

/******************************************************************************

                              Online C++ Compiler.
               Code, Compile, Run and Debug C++ program online.
Write your code in this editor and press "Run" button to compile and execute it.

*******************************************************************************/

#include <iostream>

#include <sstream>
#include <chrono>
#include <string>
#include <iomanip>

using namespace std;

int main()
{
    long long timestamp = 31363200000;
    
    auto millis = std::chrono::milliseconds(timestamp);
	auto secs = std::chrono::duration_cast<std::chrono::seconds>(millis);
	millis -= std::chrono::duration_cast<std::chrono::milliseconds>(secs);

	time_t rawTime = secs.count();
	tm timeInfo = *localtime(&rawTime);
	
// 	stringstream sstream;
	
	cout << put_time(&timeInfo, "%V") << endl;
	cout << put_time(&timeInfo, "%U") << endl;
	
    
    return 0;
}