CONTOH PROGRAM C++ FUNCTION

Program Di bawah ini saya compile dengan compiler MICROSOFT VISUAL C++ 2008

# include <iostream>

using namespace std ;

void input_matriks(int matriks[5][5])

{             

                int o , p , q , r , matriks1 [5] [5] ; 

                cout << endl ;

                cout << " Masukkan Jumlah Baris  = " ;

                cin >> o ; 

                cout << " Masukkan Jumlah Kolom  = " ; 

                cin >> p ; 

                cout << endl ;

                cout << " Inputkan Data ? " ;

                cout << endl ;

                for ( q = 0 ; q < o ; q++ )       

                                for ( r = 0 ; r < p ; r++ ) {

                                                cout << " Data [ " << ( q + 1 ) << " , " << ( r + 1 ) << " ] = " ; 

                                                cin >> matriks1 [q] [r] ;

                                }

                                cout << endl ; 

                                cout << endl ;

                                for ( q = 0 ; q < o ; q++ ) {

                                                for ( r = 0 ; r < p ; r++ ) {

                                                                cout << matriks1 [q] [r] << " " ; }

                                                cout << endl ;

                                                cout << endl ;

                                }

}

void perkalian_matriks( const int matriks1 [5] [5] , const int matriks2 [5] [5] , int matriks3 [10] [10])

{

                int o = 2 , p = 2 , q , r , s = 2 , t ;

                for ( q = 0 ; q < p ; q++ ) {

                                for ( r = 0 ; r < s ; r++ ) {

                                                matriks3 [q] [r] = 0 ;

                                                for ( t = 0 ; t < o ; t++ ) {

                               matriks3 [q] [r] = matriks3 [q] [r] + ( matriks1 [q] [t] * matriks2 [t] [r] ) ; }

                                }

                }

}

void output_matriks (  const int matriks3 [10][10] )

{

                int p = 2 , q , r , s = 2 ;

                cout << endl ;

                cout << " Hasil Kali Matriks Ke-1 Dengan Matriks Ke-2 " ;

                cout << endl ;

                cout << endl ;

                for ( q = 0 ; q < p ; q++ ) {

                                for ( r = 0 ; r < s ; r++ ) {

                                                cout << matriks3 [q] [r] << " " ;

                                }

                                cout << endl ;

                                cout << endl ;

                }

}

int main ()

{

                int matriks1 [5] [5] , matriks2 [5] [5] , hasil [10] [10] ;

                cout << " Program Perkalian Matriks \n" ; cout << endl ;

                cout << " Masukkan Matriks 1 " ; cout << endl ;

                input_matriks(matriks1) ; cout << endl ;

                cout << " Masukkan Matriks 2 " ; cout << endl ;

                input_matriks(matriks2) ; cout << endl ;

                perkalian_matriks(matriks1,matriks2,hasil) ; cout << endl ;

                output_matriks(hasil) ; cout << endl ;

                return 0 ;

}