Paste code

void SearchAndAssignment(int Mass[N][N], int dI, int dJ)
{
 int k=0;
 for (int i=0;i<N;i++)
  for (int j=0;j<N;j++)
  {
   if ( Mass[i][j] == Mass[dI][dJ] ) 
   {
    k++;
    if (k > 1) Mass[i][j]=1;
   }
  }
 if ( k == 1 ) Mass[dI][dJ]=0; else Mass[dI][dJ]=1; 
}