C program – Macro Processor

by Nideesh C on April 17, 2011 · 0 comments

in C Programming




#include<stdio.h>
#include<conio.h>
#define getx1y1
printf("Enter the order of Ist Matrix:");
scanf("%d%d",&x1,&y1);
 
#define getx2y2
printf("Enter the order of IIst Matrix:");
scanf("%d%d",&x2,&y2);
 
#define inputa
printf("Enter the value of a:");
for(i=0;i<x1;i++)
for(j=0;j<y1;j++)
scanf("%d",&a[i][j]);
 
#define inputb
printf("Enter the value of b:");
for(i=0;i<x2;i++)
for(j=0;j<y2;j++)
scanf("%d",&b[i][j]);
 
#define addab
for(i=0;i<x1;i++)
{
for(j=0;j<y1;j++)
{
c[i][j]=0;
for(k=0;k<x1;k++)
{
c[i][j]=c[i][j]+a[i][k]*b[k][j];
}
}
}
 
#define output
printf("n The Result is:");
for(i=0;i<x1;i++)
for(j=0;j<y1;j++)
printf("tn%d",c[i][j]);
 
void main()
 {
   int a[5][5],b[5][5],c[5][5],i,j,k,x1,x2,y1,y2;
  clrscr();
  getx1y1;
  getx2y2;
  if((x1==x2)&&(y1==y2))
  {
    inputa;
    inputb;
    addab;
   output;
  }
 else
   printf("Matrix Addition Not Possible");
getch();
}



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