C++ Program to multiply two matrix.
#include<iostream.h> #include<conio.h> void main() {clrscr(); int i,j,k,m1,n1,m2,n2,a[20][20],b[20][20],c[20][20]; cout<<"enter rows and columns of matrix 1"; cin>>r1>>c1; cout<<"\n enter rows and columns of matrix 2"; cin>>r2>>c2; if(n1==m2) { cout<<"Enter first matrix "; for(i=0;i<r1;i++) for(j=0;j<c1;j++) cin>>a[i][j]; cout<<"\n Enter second matrix"; for(i=0;i<m2;i++) for(j=0;j<n2;j++) cin>>b[i][j]; for(i=0;i<r2;i++) { for(j=0;j<c2;j++) {c[i][j]=0; f...