#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
#include<math.h>
void main()
{
clrscr();
int pn,i,j,z=0,c,lsec,*shr,*sec;
FILE *fp;
printf("\n Enter the length of the secret:");
scanf("%d",&lsec);
printf("\n How many particpant to share:");
scanf("%d",&pn);
char **flnm;
flnm=(char **)malloc((pn) *sizeof(char *));
	for(i=0;i<=pn+1;i++)
	flnm[i]=(char *)malloc((6) *sizeof(char));
for(i=1;i<=pn;i++)
	{
	printf("\n Enter the filename for:");
	scanf("%s",&flnm[i][0]);
	}
fp=fopen(flnm[1],"r");
while(fscanf(fp,"%d",&c) != EOF)
z++;
fclose(fp);
//printf("%d",z);
int tmp=z/lsec;
//printf("(%d)",tmp);
shr=(int *)malloc((pn*z+1) *sizeof(int));
printf("\n");
int k=1;
for(i=1;i<=pn;i++)
	{
	fp=fopen(flnm[i],"r");
	while(fscanf(fp,"%d",&c) != EOF)
		{
		shr[k]=c;
		//printf("%d",c);
		k++;
		}
	fclose(fp);
	}
//printf("(%d,%d)",k,z*pn);
printf("\n");
for(i=1;i<=pn*z;i++)
	{
       //	printf("%d",shr[i]);
	if(i%z==0)
	printf("\n");
	}
sec=(int *)malloc((z+1) *sizeof(int));
for(i=1;i<=z;i++)
	{
	sec[i]=0;
	}
printf("\n");
for(i=1;i<=z;i++)
	{
	for(j=i;j<=pn*z;j+=z)
		{
		sec[i]=(sec[i]+shr[j]);
		}
	if(sec[i]!=0)
	sec[i]=1;
	else
	sec[i]=0;
    //	printf("%d",sec[i]);
	}
int l,x=1,wt=0,*secret;
secret=(int *)malloc((lsec+1) *sizeof(int));
j=1;
//finding the wt of each block
for(l=1;l<=lsec;l++)
	{
	do
	{
	if(sec[x]==1)
	wt++;
	x++;
	j++;
	}while(j<=tmp);
	secret[l]=wt;
	//printf("\t(%d)",secret[l]);
	wt=0;
	j=1;
	}
//finding the maximum wt.
int MAX=secret[1];
for(j=1;j<=lsec;j++)
	{
	if(MAX<secret[j])
	MAX=secret[j];
	}
printf("\n The secret message is:\n");
tmp=0;
for(j=1;j<=lsec;j++)
	{
	if(secret[j]==MAX)
	{
	secret[j]=1;
	printf("1");
	tmp++;
	}
	else
	{
	secret[j]=0;
	printf("0");
	tmp++;
	}
	//if(tmp%8==0)
     //	printf("\n");
	}
getche();
}