asdasd

    #include <iostream>
    #include <cstdlib>
    #include <cstdio>
    #include <windows.h>
    using namespace std;


    void _ANIMATE()
    {
            int loop=0;
            while(loop<=40)
            {
                    cout<<".";
                    Sleep(50);
                    loop++;
            }
            cout<<"100%"<<endl<<endl;

    }


    void __CHOICE_ONE()
    {
            int matrix1[200][200], matrix2[200][200], matrix3[200][200];
            int _MATRIX_TEMP[200][200],_MATRIX_RESULT[200][200];
            int row, col;
            cout<<"Masukkan Ukuran Baris : "<<endl;
            cin>>row;
            cout<<"Masukkan Ukuran Kolom : "<<endl;
            cin>>col;
            cout<<"\nMasukkan Element Matrix #1 : \n"<<endl;
            for(int loop1=0;loop1<row; loop1++)
            {
                    for(int loop2=0;loop2<col;loop2++)
                    {
                            cout<<"Element Row["<<loop1+1<<"]  Column["<<loop2+1<<"]  : ";
                            cin>>matrix1[loop1][loop2];
                    }
            }

            cout<<"\nMasukkan Element Matrix #2 : \n"<<endl;
            for(int loop1=0;loop1<row; loop1++)
            {
                    for(int loop2=0;loop2<col;loop2++)
                    {
                            cout<<"Element Row["<<loop1+1<<"]  Column["<<loop2+1<<"]  : ";
                            cin>>matrix2[loop1][loop2];
                    }
            }

            cout<<"\nMasukkan Element Matrix #3 : \n"<<endl;
            for(int loop1=0;loop1<row; loop1++)
            {
                    for(int loop2=0;loop2<col;loop2++)
                    {
                            cout<<"Element Row["<<loop1+1<<"]  Column["<<loop2+1<<"]  : ";
                            cin>>matrix3[loop1][loop2];
                    }
            }

            cout<<"\n\nCalculating";
            _ANIMATE();
            //hitung matrix1 dan matrix2 dlu, kita kurangin hasilnya tampung di _MATRIX_TEMP;

            for(int loop1=0;loop1<row;loop1++)
            {
                    for(int loop2=0;loop2<col;loop2++)
                    {
                            _MATRIX_TEMP[loop1][loop2] = matrix1[loop1][loop2] - matrix2[loop1][loop2];
                    }
            }

            //kita kurangin lagi _MATRIX_TEMP dengan matrix3, hasilnya tampung di _MATRIX_RESULT, baru diprint hasilnya...
            for(int loop1=0;loop1<row;loop1++)
            {
                    for(int loop2=0;loop2<col;loop2++)
                    {
                            _MATRIX_RESULT[loop1][loop2] = _MATRIX_TEMP[loop1][loop2] - matrix3[loop1][loop2];
                    }
            }

            //tampilin hasil...
            for(int loop1=0;loop1<row;loop1++)
            {
                    for(int loop2=0;loop2<col;loop2++)
                    {
                            cout<<_MATRIX_RESULT[loop1][loop2]<<"\t";
                    }
                    cout<<endl<<endl;
            }


    }




    void  decimal_to_octal(int n)
            {

                    int mod, result=0;
                    int arg[100];
                    int loop = 0;
                    while (n != 0)
                    {
                            mod = n % 8;
                            arg[loop] = mod;
                            n /= 8;

                            loop++;
                    }

                    for (int rep = loop-1; rep >= 0; rep--)
                    {
                            printf("%d", arg[rep]); //sama aja kaya cout<<arg[rep];
                    }

            }
    void decimal_to_hex(int n)
            {

                    int mod, result = 0;
                    char arg[100];
                    int loop = 0;
                    while (n != 0)
                    {
                            mod = n % 16;
                            if (mod == 10)
                            {

                                    arg[loop] = 'A';
                            }
                            else if (mod == 11)
                            {

                                    arg[loop] = 'B';
                            }
                            else if (mod == 12)
                            {

                                    arg[loop] = 'C';
                            }
                            else if (mod == 13)
                            {

                                    arg[loop] = 'D';
                            }
                            else if (mod == 14)
                            {

                                    arg[loop] = 'E';
                            }
                            else if (mod == 15)
                            {

                                    arg[loop] = 'F';
                            }
                            else
                            {

                                    arg[loop] = mod;
                            }

                            n /= 16;

                            loop++;
                    }

                    for (int rep = loop - 1; rep >= 0; rep--)
                    {
                            if (arg[rep] == 'A')
                            {
                                    printf("A");
                            }
                            else if (arg[rep] == 'B')
                            {
                                    printf("B");
                            }
                            else if (arg[rep] == 'C')
                            {
                                    printf("C");
                            }
                            else if (arg[rep] == 'D')
                            {
                                    printf("D");
                            }
                            else if (arg[rep] == 'E')
                            {
                                    printf("E");
                            }
                            else if (arg[rep] == 'F')
                            {
                                    printf("F");
                            }
                            else
                            {
                                    printf("%d", arg[rep]); //sama aja kaya cout<<arg[rep];
                            }



                    }

            }
    void __CHOICE_TWO()
    {
            int decimal;
            cout<<"Input Decimal Digit : "<<endl;
            cin>>decimal;

            cout<<"\nDecimal to Octal : \n"<<endl;
            cout<<"Loading";
            _ANIMATE();
            cout<<"Result : ";
            decimal_to_octal(decimal);
            cout<<"\n\nDecimal to Hexadecimal : \n"<<endl;
            cout<<"Loading";
            _ANIMATE();
            cout<<"Result : ";
            decimal_to_hex(decimal);
            cout<<endl;

    }

    void __CHOICE_THREE()
    {
             int d1,m1,y1,d2,m2,y2,i,temp,sum=0,month[]={31,28,31,30,31,30,31,31,30,31,30,31};
             cout<<"Enter Date 1 : (DD-MM-YYYY) : "<<endl;
             cin>>d1>>m1>>y1;
            cout<<"Enter Date 2 : (DD-MM-YYYY) : "<<endl;
             cin>>d2>>m2>>y2;
      temp=d1;

      for(i=m1;i<m2+(y2-y1)*12;i++)
     {
      if(i>12)
      {
       i=1;
       y1++;
      }

       if(i==2)
      {
       if(y1%4==0 && (y1%100!=0 || y1%400==0))
        month[i-1]=29;
       else
        month[i-1]=28;
      }

       sum=sum+(month[i-1]-temp);
      temp=0;




      }

      sum=sum+d2-temp;

      char nama_bulan[12][20]= {"Januari", "Februari","Maret", "April","Mei","Juni","Juli","Agustus","September","Oktober","November","Desember"};
      cout<<"Tanggal 1 = "<<d1<<" "<<nama_bulan[d1+1]<<" "<<y1<<endl;
      cout<<"Tanggal 2 = "<<d1<<" "<<nama_bulan[d2+1]<<" "<<y1<<endl;

      cout<<"Selisih = " <<sum<<endl;
    }
    int main()
    {
            system("color 0a");
            int menu;
            while(true)
            {
                    cout<<"1. Operasi Pengurangan 3 Buah Matrix "<<endl;
                    cout<<"2. Konversi Decimal Ke Octal dan Hexadecimal"<<endl;
                    cout<<"3. Menghitung Selisih 2 Tangal "<<endl;
                    cout<<"4. Exit"<<endl;
                    do
                    {
                            cout<<"Masukkan Pilihan : "<<endl;
                            cin>>menu;
                    }while(menu<1 || menu>4);

                    if(menu==1)
                    {
                            __CHOICE_ONE();
                            system("echo. &&  pause");
                            system("cls");
                    }
                    else if(menu==2)
                    {
                            __CHOICE_TWO();
                            system("echo. &&  pause");
                            system("cls");
                    }
                    else if(menu==3)
                    {
                            __CHOICE_THREE();
                            system("echo. &&  pause");
                            system("cls");
                    }
                    else
                    {
                            exit(0);

                    }

            }
    }