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BTL_OOP/src/base/BaseSort.java

@@ -50,6 +50,17 @@ public void InitCode() {
 
 	}
 
+	public boolean firstCheck() {
+		boolean isIncrease = MainWindow.frame.isIncrease;
+		for (int i = 0; i < elements.length - 1; i++) {
+			if ((isIncrease && elements[i].getValue() > elements[i + 1].getValue())
+					|| (!isIncrease && elements[i].getValue() < elements[i + 1].getValue())) {
+				return false;
+			}
+		}
+		return true;
+	}
+
 	public void Swap(int e1, int e2) {
 		try {
 			if (e1 == e2) {
@@ -150,12 +161,14 @@ public void MoveFollowWaypoints(Element e, Point[] waypoints, int speed) {
 	}
 
 	public void Sort() throws InterruptedException {
-		if (MainWindow.frame.isIncrease) {
-			SortIncrease();
-		} else {
-			SortDecrease();
-		}
 
+		if (!firstCheck()) {
+			if (MainWindow.frame.isIncrease) {
+				SortIncrease();
+			} else {
+				SortDecrease();
+			}
+		}
 		for (int i = 0; i < elements.length; i++) {
 			Coloring(elements[i], completedColor);
 			Thread.sleep(delayFrame * 10);

BTL_OOP/src/sorting_algorithm/RadixSort.java

@@ -9,7 +9,6 @@
 import javax.swing.JLabel;
 import javax.swing.JPanel;
 import javax.swing.SwingConstants;
-import javax.swing.text.html.HTMLDocument.HTMLReader.IsindexAction;
 
 public class RadixSort extends BaseSort {
 

BTL_OOP/src/window/MainWindow.java

@@ -608,7 +608,7 @@ void initPanelCodeContent() {
 		slSize = new JSlider();
 		slSize.setMinimum(13);
 		slSize.setMaximum(20);
-		slSize.setValue(14);
+		slSize.setValue(0);
 		slSize.setBounds(20, 21, 466, 26); // default 10, 21, 486, 26
 		pnCode.add(slSize);
 
@@ -701,7 +701,8 @@ public void setZero() {
 		for (int i = 0; i < elements.length; i++) {
 			elements[i].setValue(0);
 		}
-		setState(1);
+		BaseSort.currentSort.UpdateSubElements();
+		setState(2);
 		this.pnImitiate.repaint();
 	}