mirror of
https://github.com/krahets/hello-algo.git
synced 2026-05-12 11:37:08 +08:00
feat: Traditional Chinese version (#1163)
* First commit * Update mkdocs.yml * Translate all the docs to traditional Chinese * Translate the code files. * Translate the docker file * Fix mkdocs.yml * Translate all the figures from SC to TC * 二叉搜尋樹 -> 二元搜尋樹 * Update terminology. * Update terminology * 构造函数/构造方法 -> 建構子 异或 -> 互斥或 * 擴充套件 -> 擴展 * constant - 常量 - 常數 * 類 -> 類別 * AVL -> AVL 樹 * 數組 -> 陣列 * 係統 -> 系統 斐波那契數列 -> 費波那契數列 運算元量 -> 運算量 引數 -> 參數 * 聯絡 -> 關聯 * 麵試 -> 面試 * 面向物件 -> 物件導向 歸併排序 -> 合併排序 范式 -> 範式 * Fix 算法 -> 演算法 * 錶示 -> 表示 反碼 -> 一補數 補碼 -> 二補數 列列尾部 -> 佇列尾部 區域性性 -> 區域性 一摞 -> 一疊 * Synchronize with main branch * 賬號 -> 帳號 推匯 -> 推導 * Sync with main branch * First commit * Update mkdocs.yml * Translate all the docs to traditional Chinese * Translate the code files. * Translate the docker file * Fix mkdocs.yml * Translate all the figures from SC to TC * 二叉搜尋樹 -> 二元搜尋樹 * Update terminology * 构造函数/构造方法 -> 建構子 异或 -> 互斥或 * 擴充套件 -> 擴展 * constant - 常量 - 常數 * 類 -> 類別 * AVL -> AVL 樹 * 數組 -> 陣列 * 係統 -> 系統 斐波那契數列 -> 費波那契數列 運算元量 -> 運算量 引數 -> 參數 * 聯絡 -> 關聯 * 麵試 -> 面試 * 面向物件 -> 物件導向 歸併排序 -> 合併排序 范式 -> 範式 * Fix 算法 -> 演算法 * 錶示 -> 表示 反碼 -> 一補數 補碼 -> 二補數 列列尾部 -> 佇列尾部 區域性性 -> 區域性 一摞 -> 一疊 * Synchronize with main branch * 賬號 -> 帳號 推匯 -> 推導 * Sync with main branch * Update terminology.md * 操作数量(num. of operations)-> 操作數量 * 字首和->前綴和 * Update figures * 歸 -> 迴 記憶體洩漏 -> 記憶體流失 * Fix the bug of the file filter * 支援 -> 支持 Add zh-Hant/README.md * Add the zh-Hant chapter covers. Bug fixes. * 外掛 -> 擴充功能 * Add the landing page for zh-Hant version * Unify the font of the chapter covers for the zh, en, and zh-Hant version * Move zh-Hant/ to zh-hant/ * Translate terminology.md to traditional Chinese
This commit is contained in:
55
zh-hant/codes/java/chapter_greedy/coin_change_greedy.java
Normal file
55
zh-hant/codes/java/chapter_greedy/coin_change_greedy.java
Normal file
@@ -0,0 +1,55 @@
|
||||
/**
|
||||
* File: coin_change_greedy.java
|
||||
* Created Time: 2023-07-20
|
||||
* Author: krahets (krahets@163.com)
|
||||
*/
|
||||
|
||||
package chapter_greedy;
|
||||
|
||||
import java.util.Arrays;
|
||||
|
||||
public class coin_change_greedy {
|
||||
/* 零錢兌換:貪婪 */
|
||||
static int coinChangeGreedy(int[] coins, int amt) {
|
||||
// 假設 coins 串列有序
|
||||
int i = coins.length - 1;
|
||||
int count = 0;
|
||||
// 迴圈進行貪婪選擇,直到無剩餘金額
|
||||
while (amt > 0) {
|
||||
// 找到小於且最接近剩餘金額的硬幣
|
||||
while (i > 0 && coins[i] > amt) {
|
||||
i--;
|
||||
}
|
||||
// 選擇 coins[i]
|
||||
amt -= coins[i];
|
||||
count++;
|
||||
}
|
||||
// 若未找到可行方案,則返回 -1
|
||||
return amt == 0 ? count : -1;
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
// 貪婪:能夠保證找到全域性最優解
|
||||
int[] coins = { 1, 5, 10, 20, 50, 100 };
|
||||
int amt = 186;
|
||||
int res = coinChangeGreedy(coins, amt);
|
||||
System.out.println("\ncoins = " + Arrays.toString(coins) + ", amt = " + amt);
|
||||
System.out.println("湊到 " + amt + " 所需的最少硬幣數量為 " + res);
|
||||
|
||||
// 貪婪:無法保證找到全域性最優解
|
||||
coins = new int[] { 1, 20, 50 };
|
||||
amt = 60;
|
||||
res = coinChangeGreedy(coins, amt);
|
||||
System.out.println("\ncoins = " + Arrays.toString(coins) + ", amt = " + amt);
|
||||
System.out.println("湊到 " + amt + " 所需的最少硬幣數量為 " + res);
|
||||
System.out.println("實際上需要的最少數量為 3 ,即 20 + 20 + 20");
|
||||
|
||||
// 貪婪:無法保證找到全域性最優解
|
||||
coins = new int[] { 1, 49, 50 };
|
||||
amt = 98;
|
||||
res = coinChangeGreedy(coins, amt);
|
||||
System.out.println("\ncoins = " + Arrays.toString(coins) + ", amt = " + amt);
|
||||
System.out.println("湊到 " + amt + " 所需的最少硬幣數量為 " + res);
|
||||
System.out.println("實際上需要的最少數量為 2 ,即 49 + 49");
|
||||
}
|
||||
}
|
||||
59
zh-hant/codes/java/chapter_greedy/fractional_knapsack.java
Normal file
59
zh-hant/codes/java/chapter_greedy/fractional_knapsack.java
Normal file
@@ -0,0 +1,59 @@
|
||||
/**
|
||||
* File: fractional_knapsack.java
|
||||
* Created Time: 2023-07-20
|
||||
* Author: krahets (krahets@163.com)
|
||||
*/
|
||||
|
||||
package chapter_greedy;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.Comparator;
|
||||
|
||||
/* 物品 */
|
||||
class Item {
|
||||
int w; // 物品重量
|
||||
int v; // 物品價值
|
||||
|
||||
public Item(int w, int v) {
|
||||
this.w = w;
|
||||
this.v = v;
|
||||
}
|
||||
}
|
||||
|
||||
public class fractional_knapsack {
|
||||
/* 分數背包:貪婪 */
|
||||
static double fractionalKnapsack(int[] wgt, int[] val, int cap) {
|
||||
// 建立物品串列,包含兩個屬性:重量、價值
|
||||
Item[] items = new Item[wgt.length];
|
||||
for (int i = 0; i < wgt.length; i++) {
|
||||
items[i] = new Item(wgt[i], val[i]);
|
||||
}
|
||||
// 按照單位價值 item.v / item.w 從高到低進行排序
|
||||
Arrays.sort(items, Comparator.comparingDouble(item -> -((double) item.v / item.w)));
|
||||
// 迴圈貪婪選擇
|
||||
double res = 0;
|
||||
for (Item item : items) {
|
||||
if (item.w <= cap) {
|
||||
// 若剩餘容量充足,則將當前物品整個裝進背包
|
||||
res += item.v;
|
||||
cap -= item.w;
|
||||
} else {
|
||||
// 若剩餘容量不足,則將當前物品的一部分裝進背包
|
||||
res += (double) item.v / item.w * cap;
|
||||
// 已無剩餘容量,因此跳出迴圈
|
||||
break;
|
||||
}
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
int[] wgt = { 10, 20, 30, 40, 50 };
|
||||
int[] val = { 50, 120, 150, 210, 240 };
|
||||
int cap = 50;
|
||||
|
||||
// 貪婪演算法
|
||||
double res = fractionalKnapsack(wgt, val, cap);
|
||||
System.out.println("不超過背包容量的最大物品價值為 " + res);
|
||||
}
|
||||
}
|
||||
38
zh-hant/codes/java/chapter_greedy/max_capacity.java
Normal file
38
zh-hant/codes/java/chapter_greedy/max_capacity.java
Normal file
@@ -0,0 +1,38 @@
|
||||
/**
|
||||
* File: max_capacity.java
|
||||
* Created Time: 2023-07-21
|
||||
* Author: krahets (krahets@163.com)
|
||||
*/
|
||||
|
||||
package chapter_greedy;
|
||||
|
||||
public class max_capacity {
|
||||
/* 最大容量:貪婪 */
|
||||
static int maxCapacity(int[] ht) {
|
||||
// 初始化 i, j,使其分列陣列兩端
|
||||
int i = 0, j = ht.length - 1;
|
||||
// 初始最大容量為 0
|
||||
int res = 0;
|
||||
// 迴圈貪婪選擇,直至兩板相遇
|
||||
while (i < j) {
|
||||
// 更新最大容量
|
||||
int cap = Math.min(ht[i], ht[j]) * (j - i);
|
||||
res = Math.max(res, cap);
|
||||
// 向內移動短板
|
||||
if (ht[i] < ht[j]) {
|
||||
i++;
|
||||
} else {
|
||||
j--;
|
||||
}
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
int[] ht = { 3, 8, 5, 2, 7, 7, 3, 4 };
|
||||
|
||||
// 貪婪演算法
|
||||
int res = maxCapacity(ht);
|
||||
System.out.println("最大容量為 " + res);
|
||||
}
|
||||
}
|
||||
40
zh-hant/codes/java/chapter_greedy/max_product_cutting.java
Normal file
40
zh-hant/codes/java/chapter_greedy/max_product_cutting.java
Normal file
@@ -0,0 +1,40 @@
|
||||
/**
|
||||
* File: max_product_cutting.java
|
||||
* Created Time: 2023-07-21
|
||||
* Author: krahets (krahets@163.com)
|
||||
*/
|
||||
|
||||
package chapter_greedy;
|
||||
|
||||
import java.lang.Math;
|
||||
|
||||
public class max_product_cutting {
|
||||
/* 最大切分乘積:貪婪 */
|
||||
public static int maxProductCutting(int n) {
|
||||
// 當 n <= 3 時,必須切分出一個 1
|
||||
if (n <= 3) {
|
||||
return 1 * (n - 1);
|
||||
}
|
||||
// 貪婪地切分出 3 ,a 為 3 的個數,b 為餘數
|
||||
int a = n / 3;
|
||||
int b = n % 3;
|
||||
if (b == 1) {
|
||||
// 當餘數為 1 時,將一對 1 * 3 轉化為 2 * 2
|
||||
return (int) Math.pow(3, a - 1) * 2 * 2;
|
||||
}
|
||||
if (b == 2) {
|
||||
// 當餘數為 2 時,不做處理
|
||||
return (int) Math.pow(3, a) * 2;
|
||||
}
|
||||
// 當餘數為 0 時,不做處理
|
||||
return (int) Math.pow(3, a);
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
int n = 58;
|
||||
|
||||
// 貪婪演算法
|
||||
int res = maxProductCutting(n);
|
||||
System.out.println("最大切分乘積為 " + res);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user