product of two matrices

PRODUCT OF TWO MATRICES

#include <stdio.h>

void main()

{

    int m1[5][5],m2[5][5],m3[5][5]={0},r1,r2,c1,c2,i,j,k;

    printf("how many rows and cols for matrix 1");

    scanf("%d%d",&r1,&c1);

    printf("how many rows and cols for matrix 2");

    scanf("%d%d",&r2,&c2);

    if(c1!=r2)

    {

        printf("Multiplication rule violated -cannot be multiplied");

        exit(0);

    }

    printf("Enter elements into matrix 1:");

    for(i=0;i<r1;i++)

        for(j=0;j<c1;j++)

        scanf("%d",&m1[i][j]);

printf("Enter elements into matrix 2:");

    for(i=0;i<r2;i++)

        for(j=0;j<c2;j++)

        scanf("%d",&m2[i][j]);

        for(i=0;i<r1;i++)

            {

            for(j=0;j<c2;j++)

            {

                for(k=0;k<c1;k++)

                    m3[i][j]=m3[i][j]+m1[i][j]*m2[i][j];

            }

}

        printf("Product of two matrices:\n");

        for(i=0;i<r1;i++)

        {

            for(j=0;j<c2;j++)

                printf("%5d",m3[i][j]);

            printf("\n");

        }

}

OUTPUT

How many rows and cols for matrix 1 2

2

How may rows and cols for matrix 2  2

2

Enter element into matrix 1:1

2

3

4

Enter element into matrix 2:1

2

3

4

Product of two matrices:

2         8

18    32