Question

How to run while loop for N seconds in C++

Answer 1

#include <iostream>
#include <chrono>
#include <thread>

int main() {
    auto starttime = std::chrono::system_clock::now();
    std::chrono::seconds seconds(3);
    auto endtime = starttime + seconds;

    while (std::chrono::system_clock::now() < endtime) {
        std::this_thread::sleep_for(std::chrono::seconds(1));
        std::time_t current_time = std::chrono::system_clock::to_time_t(std::chrono::system_clock::now());
        std::cout << std::ctime(&current_time);
    }
}


/*
run:

Fri Oct 11 07:10:55 2024
Fri Oct 11 07:10:56 2024
Fri Oct 11 07:10:57 2024

*/

 

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