#include <iostream>
using namespace std;
#include "Interface.h"
void timer::start()
{
if(! running)
{
begin=(unsigned int) clock();
running=true;
}
}
void timer::end()
{
if(running)
{
finish=(unsigned int) clock();
running=false;
}
}
int timer::elapsed()
{
if(running)
{
return((unsigned int) clock()-begin);
}
else
{
return finish-begin;
}
}
int timer::output(unsigned int seconds)
{
return seconds >= elapsed();
}
It says undefined reference to '_WinMain@16'