Write a program in c++ to input and print the multiplication of two matrix
#include <iostream>
using namespace std;
int main(){
int r1,r2,c1,c2;
cout<<"Enter Rows of First Matrix : ";
cin>>r1;
cout<<"Enter Columns of First Matrix : ";
cin>>c1;
cout<<"Enter Rows of Second Matrix : ";
cin>>r2;
cout<<"Enter Columns of Second Matrix : ";
cin>>c2;
int a[r1][c1],b[r2][c2],c[r1][c2];
if (c1==r2)
{ //taking elements of first matrix
cout<<"Enter Elements Of first Matrix "<<endl;
for (int i = 0; i < r1; i++)
{
for (int j = 0; j < c1; j++)
{
cin>>a[i][j];
}
}
//printing first matrix
cout<<"Elements Of first Matrix are "<<endl;
for (int i = 0; i < r1; i++)
{
for (int j = 0; j < c1; j++)
{
cout<<a[i][j]<<" ";
}
cout<<endl;
}
//taking elements of second matrix
cout<<"Enter Elements Of second Matrix "<<endl;
for (int i = 0; i < r2; i++)
{
for (int j = 0; j < c2; j++)
{
cin>>b[i][j];
}
}
//printing second matrix
cout<<"Elements Of second Matrix are "<<endl;
for (int i = 0; i < r2; i++)
{
for (int j = 0; j < c2; j++)
{
cout<<b[i][j]<<" ";
}
cout<<endl;
}
//multiplying first and second matrix
for (int i = 0; i < r1; i++)
{
for (int j = 0; j < c2; j++)
{
c[i][j] = 0;
for (int k = 0; k < r2; k++)
{
c[i][j] = c[i][j] + a[i][k] * b[k][j];
}
}
}
//printing multiplied matrix
cout<<"Matrix after multiplication "<<endl;
for (int i = 0; i < r1; i++)
{
for (int j = 0; j < c2; j++)
{
cout<<" " << c[i][j] << " ";
}
cout<<endl;
}
} else
{
cout<<"Sorry!! can't Multiply";
}
}