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#include<iostream>
#include<string.h>
using namespace std;
int tyrsene3(char matrica[4][4],int n,int a,int b,int a1[4][4],char duma[10])
{
if(a<0a>3b<0b>3)
{return 0;}
else
{
if(a1[a][b]==0)
{
if(n!=2)//Here I check if I am at the last character
{ duma[n]=matrica[a][b];
a1[a][b]=1;
n++;
tyrsene3(matrica,n,a1,b1,a1,duma);
tyrsene3(matrica,n,a1,b,a1,duma);
tyrsene3(matrica,n,a1,b+1,a1,duma);
tyrsene3(matrica,n,a,b1,a1,duma);
tyrsene3(matrica,n,a,b+1,a1,duma);
tyrsene3(matrica,n,a+1,b1,a1,duma);
tyrsene3(matrica,n,a+1,b,a1,duma);
tyrsene3(matrica,n,a+1,b+1,a1,duma);
a1[a][b]=0;
n;
return 0;
}
else
{
duma[n]=matrica[a][b];
duma[n+1]='\0';
cout<<duma<<" ";
return 1;
}
}
else return 0;
}
}
void dumichka(char matrica[][4],int start, int end,int a1[4][4])
{ char duma[5];
for(int i=0;i<4;i++)
for(int j=0;j<4;j++)
a1[i][j]=0;
tyrsene3(matrica,0,start,end,a1,duma);
}
int main()
{
char matrica[4][4];
int a1[4][4];
char bukva='a';
for(int i=0;i<4;i++)
for(int j=0;j<4;j++)
{matrica[i][j]=bukva;
bukva++;}
for(int i=0;i<4;i++)
for(int j=0;j<4;j++)
dumichka(matrica,i,j,a1);
return 0;
}
 