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hello-algo/codes/rust/chapter_stack_and_queue/stack.rs

40 lines
947 B

/*
* File: stack.rs
* Created Time: 2023-02-05
* Author: codingonion (coderonion@gmail.com)
*/
include!("../include/include.rs");
/* Driver Code */
pub fn main() {
// 初始化栈
// 在 rust 中,推荐将 Vec 当作栈来使用
let mut stack: Vec<i32> = Vec::new();
// 元素入栈
stack.push(1);
stack.push(3);
stack.push(2);
stack.push(5);
stack.push(4);
print!("栈 stack = ");
print_util::print_array(&stack);
// 访问栈顶元素
let peek = stack.last().unwrap();
print!("\n栈顶元素 peek = {peek}");
// 元素出栈
let pop = stack.pop().unwrap();
print!("\n出栈元素 pop = {pop},出栈后 stack = ");
print_util::print_array(&stack);
// 获取栈的长度
let size = stack.len();
print!("\n栈的长度 size = {size}");
// 判断栈是否为空
let is_empty = stack.is_empty();
print!("\n栈是否为空 = {is_empty}");
}