feat(ko): add the Korean online edition (#2006)

* feat(ko): add the complete Korean online edition * Use UTF-8 for Python CI output on Windows * Remove print-book promotion from the Korean site * fix(ko): preserve emphasis before Korean particles
2026-11-02 03:05:24 +08:00 · 2026-10-29 03:46:43 +08:00
parent 71a773df64
commit 2f561d3d51
2072 changed files with 110884 additions and 102 deletions
@@ -0,0 +1,65 @@
+/**
+ * File: simple_hash.java
+ * Created Time: 2023-06-21
+ * Author: krahets ([email protected])
+ */
+
+package chapter_hashing;
+
+public class simple_hash {
+    /* 덧셈 해시 */
+    static int addHash(String key) {
+        long hash = 0;
+        final int MODULUS = 1000000007;
+        for (char c : key.toCharArray()) {
+            hash = (hash + (int) c) % MODULUS;
+        }
+        return (int) hash;
+    }
+
+    /* 곱셈 해시 */
+    static int mulHash(String key) {
+        long hash = 0;
+        final int MODULUS = 1000000007;
+        for (char c : key.toCharArray()) {
+            hash = (31 * hash + (int) c) % MODULUS;
+        }
+        return (int) hash;
+    }
+
+    /* XOR 해시 */
+    static int xorHash(String key) {
+        int hash = 0;
+        final int MODULUS = 1000000007;
+        for (char c : key.toCharArray()) {
+            hash ^= (int) c;
+        }
+        return hash & MODULUS;
+    }
+
+    /* 회전 해시 */
+    static int rotHash(String key) {
+        long hash = 0;
+        final int MODULUS = 1000000007;
+        for (char c : key.toCharArray()) {
+            hash = ((hash << 4) ^ (hash >> 28) ^ (int) c) % MODULUS;
+        }
+        return (int) hash;
+    }
+
+    public static void main(String[] args) {
+        String key = "Hello 算法";
+
+        int hash = addHash(key);
+        System.out.println("덧셈 해시값: " + hash);
+
+        hash = mulHash(key);
+        System.out.println("곱셈 해시값: " + hash);
+
+        hash = xorHash(key);
+        System.out.println("XOR 해시값: " + hash);
+
+        hash = rotHash(key);
+        System.out.println("회전 해시값: " + hash);
+    }
+}