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solution.java
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solution.java
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import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.regex.*;
public class Solution
{
public static void print(String crossword[])
{
for(int i=0;i<crossword.length;i++)
{
for(int j=0;j<crossword[0].length();j++)
{
System.out.print(crossword[i].charAt(j));
}
System.out.println();
}
}
// Complete the crosswordPuzzle function below.
public static void solution(String crossword[],String word[],int c)
{
if(c==word.length)
{
print(crossword);
return;
}
for(int i=0;i<crossword.length;i++)
{
for(int j=0;j<crossword[0].length();j++)
{
if(crossword[i].charAt(j)=='-' || crossword[i].charAt(j)==word[c].charAt(0))
{
if(CanBePlacedHorizontally(crossword,i,j,word[c]))
{
//System.out.println("1");
boolean arr[]=placehorizontally(crossword,i,j,word[c]);
solution(crossword,word,c+1);
unplacehorizontally(crossword,i,j,arr);
}
if(CanBePlacedVertically(crossword,i,j,word[c]))
{
//System.out.println("2");
boolean ar[]=placevertically(crossword,i,j,word[c]);
solution(crossword,word,c+1);
unplacevertically(crossword,i,j,ar);
}
}
}
}
}
public static boolean CanBePlacedHorizontally(String []crossword,int i,int j,String word)
{
int k=word.length();
if(j+k>10)
return false;
if(j-1>=0 && (crossword[i].charAt(j-1)!='+'&&crossword[i].charAt(j-1)!='X'))
return false;
if(j+k<10 && (crossword[i].charAt(j+k)!='+'&&crossword[i].charAt(j+k)!='X'))
return false;
for(int p=0;p<word.length();p++)
{
if(crossword[i].charAt(j+p)=='-' || crossword[i].charAt(j+p)==word.charAt(p))
continue;
return false;
}
return true;
}
public static boolean[] placehorizontally(String []crossword,int i,int j,String word)
{
String myName = crossword[i];
boolean arr[]=new boolean[word.length()];
char[] myNameChars = myName.toCharArray();
for(int k=0;k<word.length();k++)
{
if(crossword[i].charAt(j+k)=='-')
{
myNameChars[j+k] = word.charAt(k);
arr[k]=true;
}
}
myName = String.valueOf(myNameChars);
crossword[i]=myName;
return arr;
}
public static void unplacehorizontally(String []crossword,int i,int j,boolean arr[])
{
String myName = crossword[i];
char[] myNameChars = myName.toCharArray();
for(int k=0;k<arr.length;k++)
{
if(arr[k]==true)
myNameChars[j+k] = '-';
}
myName = String.valueOf(myNameChars);
crossword[i]=myName;
}
public static boolean CanBePlacedVertically(String []crossword,int i,int j,String word)
{
int k=word.length();
if(i+k>10)
return false;
if(i-1>=0 && (crossword[i-1].charAt(j)!='+'&&crossword[i-1].charAt(j)!='X'))
return false;
if(i+k<10 && (crossword[i+k].charAt(j)!='+'&&crossword[i+k].charAt(j)!='X'))
return false;
for(int p=0;p<word.length();p++)
{
if(crossword[i+p].charAt(j)=='-' || crossword[i+p].charAt(j)==word.charAt(p))
continue;
return false;
}
return true;
}
public static boolean[] placevertically(String []crossword,int i,int j,String word)
{
boolean ar[]=new boolean[word.length()];
for(int k=0;k<word.length();k++)
{
String myName = crossword[i+k];
char[] myNameChars = myName.toCharArray();
if(crossword[i+k].charAt(j)=='-')
{
ar[k]=true;
myNameChars[j] = word.charAt(k);
}
myName = String.valueOf(myNameChars);
crossword[i+k]=myName;
}
return ar;
}
public static void unplacevertically(String []crossword,int i,int j,boolean ar[])
{
for(int k=0;k<ar.length;k++)
{
String myName = crossword[i+k];
char[] myNameChars = myName.toCharArray();
if(ar[k])
myNameChars[j] = '-';
myName = String.valueOf(myNameChars);
crossword[i+k]=myName;
}
}
static String[] crosswordPuzzle(String[] crossword, String words)
{
String word[]=words.split(";",-1);
//making an array of words
solution(crossword,word,0);
return crossword;
}
private static final Scanner scanner = new Scanner(System.in);
public static void main(String[] args) throws IOException
{
String[] crossword = new String[10];
for (int i = 0; i < 10; i++) {
String crosswordItem = scanner.nextLine();
crossword[i] = crosswordItem;
}
String words = scanner.nextLine();
String[] result = crosswordPuzzle(crossword, words);
scanner.close();
}
}