mirror of
https://github.com/krahets/hello-algo.git
synced 2026-07-10 14:36:06 +00:00
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:
@@ -0,0 +1,60 @@
|
||||
/**
|
||||
* File: simple_hash.js
|
||||
* Created Time: 2023-08-06
|
||||
* Author: yuan0221 (yl1452491917@gmail.com)
|
||||
*/
|
||||
|
||||
/* Аддитивное хеширование */
|
||||
function addHash(key) {
|
||||
let hash = 0;
|
||||
const MODULUS = 1000000007;
|
||||
for (const c of key) {
|
||||
hash = (hash + c.charCodeAt(0)) % MODULUS;
|
||||
}
|
||||
return hash;
|
||||
}
|
||||
|
||||
/* Мультипликативное хеширование */
|
||||
function mulHash(key) {
|
||||
let hash = 0;
|
||||
const MODULUS = 1000000007;
|
||||
for (const c of key) {
|
||||
hash = (31 * hash + c.charCodeAt(0)) % MODULUS;
|
||||
}
|
||||
return hash;
|
||||
}
|
||||
|
||||
/* XOR-хеширование */
|
||||
function xorHash(key) {
|
||||
let hash = 0;
|
||||
const MODULUS = 1000000007;
|
||||
for (const c of key) {
|
||||
hash ^= c.charCodeAt(0);
|
||||
}
|
||||
return hash % MODULUS;
|
||||
}
|
||||
|
||||
/* Хеширование с циклическим сдвигом */
|
||||
function rotHash(key) {
|
||||
let hash = 0;
|
||||
const MODULUS = 1000000007;
|
||||
for (const c of key) {
|
||||
hash = ((hash << 4) ^ (hash >> 28) ^ c.charCodeAt(0)) % MODULUS;
|
||||
}
|
||||
return hash;
|
||||
}
|
||||
|
||||
/* Driver Code */
|
||||
const key = 'Hello Algo';
|
||||
|
||||
let hash = addHash(key);
|
||||
console.log('Хеш-сумма сложением = ' + hash);
|
||||
|
||||
hash = mulHash(key);
|
||||
console.log('Хеш-сумма умножением = ' + hash);
|
||||
|
||||
hash = xorHash(key);
|
||||
console.log('Хеш-сумма XOR = ' + hash);
|
||||
|
||||
hash = rotHash(key);
|
||||
console.log('Хеш-сумма с циклическим сдвигом = ' + hash);
|
||||
Reference in New Issue
Block a user