Merge pull request #81 from S-N-O-R-L-A-X/array_stack

Array stack in js and ts
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Yudong Jin 2022-12-10 02:59:20 +08:00 committed by GitHub
commit e21fc70b05
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3 changed files with 252 additions and 2 deletions

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@ -0,0 +1,84 @@
/**
* File: array_stack.js
* Created Time: 2022-12-09
* Author: S-N-O-R-L-A-X (snorlax.xu@outlook.com)
*/
/* 基于数组实现的栈 */
class ArrayStack {
stack;
constructor() {
this.stack = [];
}
/* 获取栈的长度 */
get size() {
return this.stack.length;
}
/* 判断栈是否为空 */
empty() {
return this.stack.length === 0;
}
/* 入栈 */
push(num) {
this.stack.push(num);
}
/* 出栈 */
pop() {
return this.stack.pop();
}
/* 访问栈顶元素 */
top() {
return this.stack[this.stack.length - 1];
}
/* 访问索引 index 处元素 */
get(index) {
return this.stack[index];
}
/* 返回 Array */
toArray() {
return this.stack;
}
};
/* Driver Code */
/* 初始化栈 */
const stack = new ArrayStack();
/* 元素入栈 */
stack.push(1);
stack.push(3);
stack.push(2);
stack.push(5);
stack.push(4);
console.log("栈 stack = ");
console.log(stack.toArray());
/* 访问栈顶元素 */
const top = stack.top();
console.log("栈顶元素 top = " + top);
/* 访问索引 index 处元素 */
const num = stack.get(3);
console.log("栈索引 3 处的元素为 num = " + num);
/* 元素出栈 */
const pop = stack.pop();
console.log("出栈元素 pop = " + pop + ",出栈后 stack = ");
console.log(stack.toArray());
/* 获取栈的长度 */
const size = stack.size;
console.log("栈的长度 size = " + size);
/* 判断是否为空 */
const empty = stack.empty();
console.log("栈是否为空 = " + empty);

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@ -0,0 +1,86 @@
/**
* File: array_stack.ts
* Created Time: 2022-12-08
* Author: S-N-O-R-L-A-X (snorlax.xu@outlook.com)
*/
/* 基于数组实现的栈 */
class ArrayStack {
private stack: number[];
constructor() {
this.stack = [];
}
/* 获取栈的长度 */
get size(): number {
return this.stack.length;
}
/* 判断栈是否为空 */
empty(): boolean {
return this.stack.length === 0;
}
/* 入栈 */
push(num: number): void {
this.stack.push(num);
}
/* 出栈 */
pop(): number | undefined {
return this.stack.pop();
}
/* 访问栈顶元素 */
top(): number | undefined {
return this.stack[this.stack.length - 1];
}
/* 访问索引 index 处元素 */
get(index: number): number | undefined {
return this.stack[index];
}
/* 返回 Array */
toArray() {
return this.stack;
}
};
/* Driver Code */
/* 初始化栈 */
const stack = new ArrayStack();
/* 元素入栈 */
stack.push(1);
stack.push(3);
stack.push(2);
stack.push(5);
stack.push(4);
console.log("栈 stack = ");
console.log(stack.toArray());
/* 访问栈顶元素 */
const top = stack.top();
console.log("栈顶元素 top = " + top);
/* 访问索引 index 处元素 */
const num = stack.get(3);
console.log("栈索引 3 处的元素为 num = " + num);
/* 元素出栈 */
const pop = stack.pop();
console.log("出栈元素 pop = " + pop + ",出栈后 stack = ");
console.log(stack.toArray());
/* 获取栈的长度 */
const size = stack.size;
console.log("栈的长度 size = " + size);
/* 判断是否为空 */
const empty = stack.empty();
console.log("栈是否为空 = " + empty);
export { };

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@ -397,13 +397,13 @@ comments: true
=== "JavaScript" === "JavaScript"
```js title="linkedlist_stack.js" ```js title="linkedlist_stack.js"
``` ```
=== "TypeScript" === "TypeScript"
```typescript title="linkedlist_stack.ts" ```typescript title="linkedlist_stack.ts"
``` ```
=== "C" === "C"
@ -587,13 +587,93 @@ comments: true
=== "JavaScript" === "JavaScript"
```js title="array_stack.js" ```js title="array_stack.js"
/* 基于数组实现的栈 */
class ArrayStack {
stack;
constructor() {
this.stack = [];
}
/* 获取栈的长度 */
get size() {
return this.stack.length;
}
/* 判断栈是否为空 */
empty() {
return this.stack.length === 0;
}
/* 入栈 */
push(num) {
this.stack.push(num);
}
/* 出栈 */
pop() {
return this.stack.pop();
}
/* 访问栈顶元素 */
top() {
return this.stack[this.stack.length - 1];
}
/* 访问索引 index 处元素 */
get(index) {
return this.stack[index];
}
/* 返回 Array */
toArray() {
return this.stack;
}
};
``` ```
=== "TypeScript" === "TypeScript"
```typescript title="array_stack.ts" ```typescript title="array_stack.ts"
/* 基于数组实现的栈 */
class ArrayStack {
private stack: number[];
constructor() {
this.stack = [];
}
/* 获取栈的长度 */
get size(): number {
return this.stack.length;
}
/* 判断栈是否为空 */
empty(): boolean {
return this.stack.length === 0;
}
/* 入栈 */
push(num: number): void {
this.stack.push(num);
}
/* 出栈 */
pop(): number | undefined {
return this.stack.pop();
}
/* 访问栈顶元素 */
top(): number | undefined {
return this.stack[this.stack.length - 1];
}
/* 访问索引 index 处元素 */
get(index: number): number | undefined {
return this.stack[index];
}
/* 返回 Array */
toArray() {
return this.stack;
}
};
``` ```
=== "C" === "C"