ajout TP1 presque finis
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43
TP1/MinimaxMemo.java
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43
TP1/MinimaxMemo.java
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public class MinimaxMemo {
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// Minimax avec mémo (on évite de recalculer les mêmes positions)
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public static Integer[] memoMax;
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public static Integer[] memoMin;
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public static int exploreMax(int n) {
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if (n <= 0) return -1;
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if (memoMax[n] != null) return memoMax[n];
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int meilleur = Integer.MIN_VALUE;
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for (int coups = 1; coups <= 3; coups++) {
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int res = exploreMin(n - coups);
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meilleur = Math.max(meilleur, res);
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}
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memoMax[n] = meilleur;
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return meilleur;
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}
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public static int exploreMin(int n) {
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if (n <= 0) return +1;
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if (memoMin[n] != null) return memoMin[n];
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int pire = Integer.MAX_VALUE;
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for (int coups = 1; coups <= 3; coups++) {
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int res = exploreMax(n - coups);
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pire = Math.min(pire, res);
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}
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memoMin[n] = pire;
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return pire;
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}
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public static void main(String[] args) {
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int n = 25; // taille du tas initial
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memoMax = new Integer[n + 1];
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memoMin = new Integer[n + 1];
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int resultat = exploreMax(n);
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System.out.println("Résultat pour n=" + n + " → " + resultat);
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}
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}
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