added a Situation class

Situation.java

@@ -0,0 +1,21 @@
+// Antoine CRETUAL, Lukian LEIZOUR, 21/02/2024
+
+public class Situation {
+	// Atributes 
+
+	private int pos_i, pos_j, nb_choix;
+
+	// Constructors
+
+	public Situation(int i, int j, int n) {
+		this.pos_i = i;
+		this.pos_j = j;
+		this.nb_choix = n;
+	}
+
+	// Methods
+
+	public Situation copy(int n) {
+		return new Situation(this.pos_i, this.pos_j, n);
+	}
+}