Matrix Multiplication in C++ | Multiply 2d Array

Follow is the program of multiplication of matrix in c++. we multiply matrix's by rows of first matrix with column of second matrix and store result in third matrix also shown in figure. For multiplication of  matrix it is necessary that row of first should be equal to column of second matrix.

 matrix multiplication in c++

#include "stdafx.h"
#include "iostream"
#include "conio.h"
using namespace std;
void main()
{
int i, j, k, r1, r2, c1, c2, sum1;
int m1[10][10], m2[10][10], sum[10][10], mult[10][10];

cout<>r1>>c1;

cout<>m1[i][j];
}

cout<>r2>>c2;

cout<>m2[i][j];
}

cout<for(i=0;i{
cout<for(j=0;j{
cout<}
}

cout<for(i=0;i{
cout<for(j=0;j{
cout<}
}

if(r1==r2 && c1==c2)
{
cout<for(i=0;i{
cout<for(j=0;j{
sum[i][j]=0;
sum[i][j]=m1[i][j]+m2[i][j];
cout<}
}
}

else
cout<
if(c1==r2)
{
cout<for(i=0;i{
cout<for(j=0;j{
mult[i][j]=0;
sum1=0;
for(k=0;k{
mult[i][j]=m1[i][k]*m2[k][j];
sum1=mult[i][j]+sum1;
}
cout<}
}
}
else
cout<getch();
}
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