Program to multiply two matrix

//Program to multiply two matrix #include<stdio.h> #include<conio.h> void main() { int a[10][10],b[10][10],result[10][10],i,j,r1,r2,c1,c2,k; clrscr(); printf("Enter first matrix\n"); printf("Enter number of raws :"); scanf("%d",&r1); printf("Enter number of colums :"); scanf("%d",&c1); printf("\nInsert first matrix : "); for(i=0;i<r1;i++) { for(j=0;j<c1;j++) { printf("\nEnter element at [%d][%d] : ",i+1,j+1); scanf("%d",&a[i][j]); } } clrscr(); printf("Enter second matrix\n"); printf("Enter number of raws :"); scanf("%d",&r2); printf("Enter number of colums :"); scanf("%d",&c2); printf("\nInsert second matrix : "); for(i=0;i<r2;i++) { for(j=0;j<c2;j++) { printf("\nEnter element at [%d][%d] : ",i+1,j+1); scanf("%d",&b[i][j]); } } clrscr(); printf("First matrix is :\n"); for(i=0;i<r1;i++) { for(j=0;j<c1;j++) printf("%d ",a[i][j]); printf("\n"); } printf("Second matrix is :\n"); for(i=0;i<r2;i++) { for(j=0;j<c2;j++) printf("%d ",b[i][j]); printf("\n"); } if(c1==r2) { for(i=0;i<r1;i++) { for(j=0;j<c1;j++) { result[i][j]=0; for(k=0;k<r2;k++) result[i][j]+=a[i][k]*b[k][j]; } } printf("\nMultiplication is : \n"); for(i=0;i<r1;i++) { for(j=0;j<c1;j++) printf("%d ",result[i][j]); printf("\n"); } } else printf("Multiplication is not possible"); getch(); }