c++ timer
#include <iostream>
#include <chrono>
// This is how to measure the time it takes functions to finish
long add(int a, int b) {
return a + b;
}
int main() {
auto start = std::chrono::steady_clock::now();
std::cout << "9 + 10 = " << add(9, 10) << '\n';
auto end = std::chrono::steady_clock::now();
std::chrono::duration<double> elapsed_seconds = end - start;
std::cout << "elapsed time to compute 9 + 10: " << elapsed_seconds.count() << "s\n";
return 0;
}timer in c++
// CPP program to create a timer
#include <iomanip>
#include <iostream>
#include <stdlib.h>
#include <unistd.h>
using namespace std;
// hours, minutes, seconds of timer
int hours = 0;
int minutes = 0;
int seconds = 0;
// function to display the timer
void displayClock()
{
// system call to clear the screen
system("clear");
cout << setfill(' ') << setw(55) << " TIMER \n";
cout << setfill(' ') << setw(55) << " --------------------------\n";
cout << setfill(' ') << setw(29);
cout << "| " << setfill('0') << setw(2) << hours << " hrs | ";
cout << setfill('0') << setw(2) << minutes << " min | ";
cout << setfill('0') << setw(2) << seconds << " sec |" << endl;
cout << setfill(' ') << setw(55) << " --------------------------\n";
}
void timer()
{
// infinte loop because timer will keep
// counting. To kill the process press
// Ctrl+D. If it does not work ask
// ubuntu for other ways.
while (true) {
// display the timer
displayClock();
// sleep system call to sleep
// for 1 second
sleep(1);
// increment seconds
seconds++;
// if seconds reaches 60
if (seconds == 60) {
// increment minutes
minutes++;
// if minutes reaches 60
if (minutes == 60) {
// increment hours
hours++;
minutes = 0;
}
seconds = 0;
}
}
}
// Driver Code
int main()
{
// start timer from 00:00:00
timer();
return 0;
}Copyright © 2021 Codeinu
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