Convert seconds to compound duration: Difference between revisions

=={{header|C++}}==

{{works with|C++11}}

<lang cpp>

#include <iostream>

#include <vector>

using entry = std::pair<int, const char*>;

void print(const std::vector<entry>& entries, std::ostream& out = std::cout)

{

bool first = true;

for(const auto& e: entries) {

if(!first) out << ", ";

first = false;

out << e.first << " " << e.second;

}

out << '\n';

}

std::vector<entry> convert(int seconds)

{

static const entry time_table[] = {

{7*24*60*60, "wk"}, {24*60*60, "d"}, {60*60, "hr"}, {60, "min"}, {1, "sec"}

};

std::vector<entry> result;

for(const auto& e: time_table) {

int time = seconds / e.first;

if(time != 0) result.emplace_back(time, e.second);

seconds %= e.first;

}

return result;

}

int main()

{

std::cout << " 7259 sec is "; print(convert( 7259));

std::cout << " 86400 sec is "; print(convert( 86400));

std::cout << "6000000 sec is "; print(convert(6000000));

}</lang>

{{out}}

<pre>

7259 sec is 2 hr, 59 sec

86400 sec is 1 d

6000000 sec is 9 wk, 6 d, 10 hr, 40 min

</pre>