25 lines
575 B
Java
25 lines
575 B
Java
package sudoku.constraint;
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import sudoku.structure.Sudoku;
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public class DiagonalConstraint implements IConstraint {
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@Override
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public boolean canBePlaced(Sudoku s, int x, int y, int newSymbolIndex) {
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if (x == y) {
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for (int i = 0; i < s.getSize(); i++) {
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if (s.getCell(i, i).getSymbolIndex() == newSymbolIndex)
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return false;
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}
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} else if (s.getSize() - x == y) {
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for (int i = 0; i < s.getSize(); i++) {
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if (s.getCell(s.getSize() - i - 1, i).getSymbolIndex() == newSymbolIndex)
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return false;
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}
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}
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// not in diagonal
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return true;
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}
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}
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