Add ru version (#1865)

* Add Russian docs site baseline

* Add Russian localized codebase

* Polish Russian code wording

* Update ru code translation.

* Update code translation and chapter covers.

* Fix pythontutor extraction.

* Add README and landing page.

* placeholder of profiles

* Use figures of English version

* Remove chapter paperbook
This commit is contained in:
Yudong Jin
2026-03-28 04:24:07 +08:00
committed by GitHub
parent 2ca570cc33
commit 772183705e
1958 changed files with 108186 additions and 0 deletions

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/**
* File: simple_hash.java
* Created Time: 2023-06-21
* Author: krahets (krahets@163.com)
*/
package chapter_hashing;
public class simple_hash {
/* Аддитивное хеширование */
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;
}
/* Мультипликативное хеширование */
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-хеширование */
static int xorHash(String key) {
int hash = 0;
final int MODULUS = 1000000007;
for (char c : key.toCharArray()) {
hash ^= (int) c;
}
return hash & MODULUS;
}
/* Хеширование с циклическим сдвигом */
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 Algo";
int hash = addHash(key);
System.out.println("Хеш-сумма сложением = " + hash);
hash = mulHash(key);
System.out.println("Хеш-сумма умножением = " + hash);
hash = xorHash(key);
System.out.println("Хеш-сумма XOR = " + hash);
hash = rotHash(key);
System.out.println("Хеш-сумма с циклическим сдвигом = " + hash);
}
}