From 12a2fa369bebf06753654ae56d607465419b0553 Mon Sep 17 00:00:00 2001
From: Cristiano Magro <cristiano.magro@vola.it>
Date: Sun, 05 Oct 2025 17:46:24 +0200
Subject: [PATCH] alcuni esercizi con array
---
src/main/java/CouponCollector.java | 19 +++++++++++++++++++
1 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/src/main/java/CouponCollector.java b/src/main/java/CouponCollector.java
new file mode 100644
index 0000000..9c15a48
--- /dev/null
+++ b/src/main/java/CouponCollector.java
@@ -0,0 +1,19 @@
+public class CouponCollector {
+ public static void main(String[] args) {
+ int n = Integer.parseInt(args[0]);
+ boolean[] trovato = new boolean[n];
+ int distinti = 0;
+ int tentativi = 0;
+
+ while (distinti < n) {
+ int r = (int) (Math.random() * n);
+ tentativi++;
+ if (!trovato[r]) {
+ trovato[r] = true;
+ distinti++;
+ }
+ }
+
+ System.out.println(tentativi + " tentativi");
+ }
+}
--
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