Program perkalian matrik deangan bahasa C

#include<stdio.h>

void main()

{

       int n_i=2,n_j=2,n_k=1;

       int A[2][2],B[2][1],C[2][1];

       int i,j,k;

       //____________________________________

       printf("masukkan Nilai Matriks P\n");

       for (i=0;i<n_i;i++)

       {

                       for (j=0;j<n_j;j++)

                       {

                                       printf("Baris ke-%i Kolom ke-%i : ",i+1,j+1); scanf("%i",&A[i][j]);

                       }

       }

       //_______________________________________

       printf("\nmasukkan Nilai Matriks Q\n");

       for (j=0;j<n_j;j++)

       {

                       for (k=0;k<n_k;k++)

                       {

                                       printf("Baris ke-%i Kolom ke-%i : ",j+1,k+1); scanf("%i",&B[j][k]);

                       }

       }

       //_________________________________________

       printf("\nPerhitungan sedang dilakukan...");

       for (i=0;i<n_i;i++)

       {

                       for (k=0;k<n_k;k++)

                       {

                                       C[i][k]=0;

                                       for (j=0;j<n_j;j++)

                                       {

                                                       C[i][k]=C[i][k]+A[i][j]*B[j][k];

                                       }

                       }

       }

       printf("\n");

       printf("\nhasil kali matrik P & matrik Q atau matrik R:\n");

       for (i=0;i<n_i;i++)

       {

                       for (k=0;k<n_k;k++)

                       {

                                       printf("|%i|",C[i][k]);

                       }

                       printf("\n");

       }

}