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Check Horizontal & Vertical work

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This commit is contained in:
Matti 2024-05-20 17:10:12 +02:00
parent 3aa56bd3fb
commit 7c7a91a762
2 changed files with 35 additions and 10 deletions
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4
src/part5/aufg2/Demo.java
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@ -4,7 +4,9 @@ public class Demo {
public static void main(String[] args) {
Queenproblem Q = new Queenproblem();
System.out.println(Q.field[2]);
Q.setField(new int[] {0,1,2,3,4,5,6,7});
Q.setField(new int[] {0,0,2,3,4,5,0,0});
Q.print();
}
}

39
src/part5/aufg2/Queenproblem.java
View File

@ -3,6 +3,8 @@ package part5.aufg2;
import java.util.Arrays;
public class Queenproblem {
// 0 means empty
// 1-8 is the y position of the Queen
int[] field;
public Queenproblem(){
@ -21,8 +23,12 @@ public class Queenproblem {
}
for (int i=0; i<8; i++) {
int index = this.field[i];
field[i][index] = 1;
try {
int yPosition = this.field[i];
field[i][yPosition-1] = 1; // -1 to handle 0 as empty and 8 as lowest possible with actual index 7
}catch (IndexOutOfBoundsException e){
System.out.println("Ignored Index Error while making it 2D");
}
}
return field;
@ -35,13 +41,25 @@ public class Queenproblem {
}
}
public boolean isPossible(int x, int y){
// Horizontal
for (int value: this.field) {
if (value == y){
public boolean checkVertical(int col){
if (this.field[col-1] != 0){
return false;
}
return true;
}
public boolean checkHorizontal(int col){
for (int colFilled : this.field) {
if (colFilled == col){
return false;
}
}
return true;
}
public boolean isPossible(int row, int col){
int x = --row;
int y = --col;
// Vertical
if (this.field[x] != 0)
@ -50,9 +68,14 @@ public class Queenproblem {
// Diagonal \
for (int i=0; i<8; i++){
try{
if (this.field[x+i] == y+i){
return false;
}
if (this.field[x-i] == y-i){
return false;
}
}catch (IndexOutOfBoundsException e){
System.out.println(e);
System.out.println("Ignored index Error with Diagonal Possibility Check");
}
}