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/RandomWalkers.java |   33 +++++++++++++++++++++++++++++++++
 1 files changed, 33 insertions(+), 0 deletions(-)

diff --git a/src/main/java/RandomWalkers.java b/src/main/java/RandomWalkers.java
new file mode 100644
index 0000000..b7ad8cc
--- /dev/null
+++ b/src/main/java/RandomWalkers.java
@@ -0,0 +1,33 @@
+public class RandomWalkers {
+    public static void main(String[] args) {
+
+        int limite = Integer.parseInt(args[0]);
+        int cicli = Integer.parseInt(args[1]);
+        int totalePassi = 0;
+        for (int i = 0; i < cicli; i++) {
+
+            int x = 0;
+            int y = 0;
+            int passi = 0;
+
+            while (Math.abs(x) + Math.abs(y) < limite) {
+                double r = Math.random();
+                if (r < 0.25) {
+                    x++;
+                } else if (r < 0.5) {
+                    x--;
+                } else if (r < 0.75) {
+                    y++;
+                } else {
+                    y--;
+                }
+                passi++;
+            }
+
+            totalePassi += passi;
+        }
+
+        System.out.println("average number of steps = " + ((double) totalePassi / cicli));
+    }
+
+}

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