Matrix Multiplication

 

#include<stdio.h>

int main()
{
    int row1,col1,row2,col2,i,j,k,sum=0;
    int a[100][100],b[100][100],c[100][100];
    printf("Enter The Number of Row & Colum in 1st Matrix : ");
    scanf("%d%d",&row1,&col1);
    printf("Enter The First Matrix : ");
    for(i=0; i<row1; i++)
    {
        for(j=0; j<col1; j++) {
            scanf("%d",&a[i][j]);
        }
    }
    printf("Enter The Number of Row & Colum in 2nd Matrix : ");
    scanf("%d%d",&row2,&col2);
    printf("Enter The Second Matrix : ");
    for(i=0; i<row2; i++)
    {
        for(j=0; j<col2; j++) {
            scanf("%d",&b[i][j]);
        }
    }

    printf("The First Matrix is :\n ");
    for(i=0; i<row1; i++)
    {
        for(j=0; j<col1; j++) {
            printf("%d  ",a[i][j]);
        }
        printf("\n");
    }
    printf("The Second Matrix is :\n ");
    for(i=0; i<row2; i++)
    {
        for(j=0; j<col2; j++) {
            printf("%d  ",b[i][j]);
        }
        printf("\n");
        printf("\n");
    }
    if(col1!= row2)
    {
         printf("Can Not Be Multiple....");
    }
    else
    {
        for(i=0; i<row1; i++)
        {
            for(j=0; j<col2; j++)
            {
                sum=0;
                for(k=0; k<row1; k++)
                {
                    sum = sum + a[i][k]*b[k][j];
                }
                c[i][j] = sum ;
            }

        }
      
        printf("The Multiplication is : \n");
        for(i=0; i<row1; i++)
        {
            for(j=0; j<col2; j++)
            {
                printf("%d  ",c[i][j]);
            }
            printf("\n");
        }
    }
    return 0;
}