안녕하세요? 레조입니다.

3가지 정도 수정후에 잘 컴파일 되어 화면이 나오네요.
결과는 이미지 첨부했습니다.

void setTime( int h, int m, int s) {
이부분에 scope 연산자 없네요.

<< ( second < 10 ? "0" : "" ) << second MM ":"
이부분의 MM 오타 맞죠? ^^ << 이걸로 빠구시길..

<< ( hour < 12 ? "AM" : "PM"); endl;
이부분에서 ; 요걸 << 이걸루

이렇게 3개만 고치면 컴파일 됩니다.

<< time.h >>
class Time {
      public :
           Time();
           void setTime( int , int ,int);
           void printMilitary();
           void printStandard();
      private :
           int hour;
           int minute;
           int second;
};



<< time.cpp >>
#include <iostream>
using std::cout;
using std::endl;

#include "time.h"

Time::Time() { hour = minute = second = 0 ; }

void Time::setTime( int h, int m, int s) {
                  hour = ( ( h >=0 || h < 24 ) ? h : 0 );
                  minute = ( ( m >=0 || m < 60) ? m : 0 );
                  second = ( ( s >=0 || s < 60) ? s : 0 );
}

void Time::printMilitary() {
               cout << ( hour < 10 ? "0" : "" ) << hour << ":"
                       << ( minute < 10 ? "0" : "" ) << minute << endl;
}

void Time::printStandard() {
               cout << (hour == 0 || hour == 12 ? 12 : hour) << ":"
                       << ( minute < 10 ? "0" : "") << minute << ":"
                       << ( second < 10 ? "0" : "" ) << second << ":"
                       << ( hour < 12 ? "AM" : "PM") << endl;
}



<< flg.cpp >>
#include <iostream>
using std::cout;
using std::endl;

#include "time.h"

#include <conio.h>


int main() {
         Time t;

         cout << "Initial Time\n";
         t.printMilitary();
         t.printStandard();

         t.setTime( 13, 24, 23);

         cout << "\nAfter time setting\n";
         t.printMilitary();
         t.printStandard();

         t.setTime(99,99,99);
         cout << "\nAfter Iilegal time setting\n";

         t.printMilitary();
         t.printStandard();

         getch();

}