ajout TP3

TP1&TP2/MiniMax_version_AlphaBeta.java

@@ -0,0 +1,41 @@
+public class MiniMax_version_AlphaBeta {
+
+    private static int ExploreMax(int nbr_allumettes, int alpha, int beta){
+        if (nbr_allumettes <= 0){
+            return 1;
+        }
+        int localAlpha = alpha;
+        for (int coup = 1; coup <= 3; coup++){
+            int res = ExploreMin(nbr_allumettes - coup, localAlpha, beta);
+            if (res > localAlpha){
+                localAlpha = res;
+                if (localAlpha >= beta){
+                    return localAlpha;
+                }
+            }
+        }
+        return localAlpha;
+    }
+
+    private static int ExploreMin(int nbr_allumettes, int alpha, int beta){
+        if (nbr_allumettes <= 0){
+            return -1;
+        }
+        int localBeta = beta;
+        for (int coup = 1; coup <= 3; coup++){
+            int res = ExploreMax(nbr_allumettes - coup, alpha, localBeta);
+            if (res < localBeta){
+                localBeta = res;
+                if (localBeta <= alpha){
+                    return localBeta;
+                }
+            }
+        }
+        return localBeta;
+    }
+
+    public static void main(String[] args) {
+        int nbr_allumettes = 5;
+        System.out.println(ExploreMax(nbr_allumettes, Integer.MIN_VALUE, Integer.MAX_VALUE));
+    }
+}