c pro gram for matrix multiplication

c program to matrix multiplication

#include<stdio.h>

int main(){

  int a[5][5],b[5][5],c[5][5];

  int i,j,k,sum=0,m,n,o,p;

 

  printf("\nEnter the row and column of first matrix");

  scanf("%d %d",&m,&n);

 

  printf("\nEnter the row and column of second matrix");

  scanf("%d %d",&o,&p);

 

  if(n!=o){

      printf("Matrix mutiplication is not possible");

      printf("\nColumn of first matrix must be same as row of second matrix");

  }

  else{

      printf("\nEnter the First matrix->");

      for(i=0;i<m;i++)

      for(j=0;j<n;j++)

           scanf("%d",&a[i][j]);

     

      printf("\nEnter the Second matrix->");

      for(i=0;i<o;i++)

      for(j=0;j<p;j++)

           scanf("%d",&b[i][j]);

     

      printf("\nThe First matrix is\n");

      for(i=0;i<m;i++){

      printf("\n");

      for(j=0;j<n;j++){

           printf("%d\t",a[i][j]);

          }

      }

     

      printf("\nThe Second matrix is\n");

      for(i=0;i<o;i++){

      printf("\n");

      for(j=0;j<p;j++){

           printf("%d\t",b[i][j]);

          }         

      }

     

      for(i=0;i<m;i++)

      for(j=0;j<p;j++)

           c[i][j]=0;

     

      for(i=0;i<m;i++){//row of first matrix

            for(j=0;j<p;j++){//column of second matrix

            sum=0;

            for(k=0;k<n;k++)

                 sum=sum+a[i][k]*b[k][j];

            c[i][j]=sum;

            }

      }

  }

  printf("\nThe multiplication of two matrix is\n");

  for(i=0;i<m;i++){

      printf("\n");

      for(j=0;j<p;j++){

           printf("%d\t",c[i][j]);

      }

  }

  return 0;

}