deewwweuuuu

int main()
{ fin>>n>>x; for (int i=1; i<n; i++) { fin>>y; cx=x; cy=y; for (int j=0; j<=9; j++) frx[j]=fry[j]=0; while (cx) { frx[crx%10]=1; cx/=10; while (cy) { fry[cry%10]=1; cy/=10; } } for (j=0; j<=9; j++) { if(frx[j]==1 and fry [j]==1) { fout<<x<<’ ‘<<y<<’\n’; break; } }
}
x=y;
}