Programacion C

#include<iostream>

#include<conio.h>

using namespace std;

int main(){

//PROBARLO TAL CUAL COMO ESTÁ, LUEGO LO MODIFICAN A SU GUSTO.

int x;

for( ;; ){

x=getch();

if(x==59) cout<<"jeje "; // en este caso F1. F2==60 F3==61 , ETC.

if(x==27)break; // Salir Al Pulsar La Letra Esc.

}

return 0;

}

#include <ctime>

#include <iostream>

using namespace std;

int main() {

time_t t = time(0); // get time now

struct tm * now = localtime( & t );

cout << (now->tm_year + 1900) << '-'

<< (now->tm_mon + 1) << '-'

<< now->tm_mday

<< endl;

}

#include <iostream>

#include <ctime>

using namespace std;

int main( )

{

// current date/time based on current system

time_t now = time(0);

cout << "Number of sec since January 1,1970:" << now << endl;

tm *ltm = localtime(&now);

// print various components of tm structure.

cout << "Year: "<< 1900 + ltm->tm_year << endl;

cout << "Month: "<< 1 + ltm->tm_mon<< endl;

cout << "Day: "<< ltm->tm_mday << endl;

cout << "Time: "<< 1 + ltm->tm_hour << ":";

cout << 1 + ltm->tm_min << ":";

cout << 1 + ltm->tm_sec << endl;

}

#include <iostream>

#include <windows.h>

using namespace std;

int main(){

int minutos, ii;

cout << "Minutos?" << endl;

cin >> minutos;

for(int j=minutos-1 ; j>= 0; j--){

ii = 59;

for(int i = ii; i >= 0; i--){

system("cls");

cout << j << ":" << i << endl;

cout << "\a";

Sleep(1000);

}

}

}

...