From 2e5466bdce0a3d884a1a9084da74732a80fe806d Mon Sep 17 00:00:00 2001 From: fw_qaq <82551626+Jack-Zhang-1314@users.noreply.github.com> Date: Mon, 31 Oct 2022 10:41:54 +0800 Subject: [PATCH 1/3] =?UTF-8?q?update=200020.=E6=9C=89=E6=95=88=E7=9A=84?= =?UTF-8?q?=E6=8B=AC=E5=8F=B7.md=20about=20rust?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- problems/0020.有效的括号.md | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/problems/0020.有效的括号.md b/problems/0020.有效的括号.md index 3d986a82..69713c62 100644 --- a/problems/0020.有效的括号.md +++ b/problems/0020.有效的括号.md @@ -493,6 +493,33 @@ object Solution { } ``` +rust: + +```rust +impl Solution { + pub fn is_valid(s: String) -> bool { + if s.len() % 2 == 1 { + return false; + } + let mut stack = vec![]; + let mut chars: Vec = s.chars().collect(); + while let Some(s) = chars.pop() { + match s { + ')' => stack.push('('), + ']' => stack.push('['), + '}' => stack.push('{'), + _ => { + if stack.is_empty() || stack.pop().unwrap() != s { + return false; + } + } + } + } + stack.is_empty() + } +} +``` +

From 3db9b494f9c433b2c8e9c350200a3ca877788865 Mon Sep 17 00:00:00 2001 From: fw_qaq <82551626+Jack-Zhang-1314@users.noreply.github.com> Date: Mon, 31 Oct 2022 11:53:08 +0800 Subject: [PATCH 2/3] =?UTF-8?q?update=200150.=E9=80=86=E6=B3=A2=E5=85=B0?= =?UTF-8?q?=E8=A1=A8=E8=BE=BE=E5=BC=8F=E6=B1=82=E5=80=BC.md=20about=20rust?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- problems/0150.逆波兰表达式求值.md | 39 ++++++++++++++++++++--- 1 file changed, 35 insertions(+), 4 deletions(-) diff --git a/problems/0150.逆波兰表达式求值.md b/problems/0150.逆波兰表达式求值.md index 108c654b..78dfae3e 100644 --- a/problems/0150.逆波兰表达式求值.md +++ b/problems/0150.逆波兰表达式求值.md @@ -89,12 +89,8 @@ C++代码如下： class Solution { public: int evalRPN(vector& tokens) { -<<<<<<< HEAD - stack st; -======= // 力扣修改了后台测试数据，需要用longlong stack st; ->>>>>>> 28f3b52a82e3cc650290fb02030a53900e122f43 for (int i = 0; i < tokens.size(); i++) { if (tokens[i] == "+" || tokens[i] == "-" || tokens[i] == "*" || tokens[i] == "/") { long long num1 = st.top(); @@ -424,6 +420,41 @@ object Solution { } ``` + +rust: + +```rust +impl Solution { + pub fn eval_rpn(tokens: Vec) -> i32 { + let mut stack = vec![]; + for token in tokens.into_iter() { + match token.as_str() { + "+" => { + let a = stack.pop().unwrap(); + *stack.last_mut().unwrap() += a; + } + "-" => { + let a = stack.pop().unwrap(); + *stack.last_mut().unwrap() -= a; + } + "*" => { + let a = stack.pop().unwrap(); + *stack.last_mut().unwrap() *= a; + } + "/" => { + let a = stack.pop().unwrap(); + *stack.last_mut().unwrap() /= a; + } + _ => { + stack.push(token.parse::().unwrap()); + } + } + } + stack.pop().unwrap() + } +} +``` +

From 5b3b774083e5e204bd777652d6eb2452d83f06c4 Mon Sep 17 00:00:00 2001 From: fw_qaq <82551626+Jack-Zhang-1314@users.noreply.github.com> Date: Mon, 31 Oct 2022 13:10:25 +0800 Subject: [PATCH 3/3] =?UTF-8?q?update=200239.=E6=BB=91=E5=8A=A8=E7=AA=97?= =?UTF-8?q?=E5=8F=A3=E6=9C=80=E5=A4=A7=E5=80=BC.md=20about=20rust?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- problems/0239.滑动窗口最大值.md | 29 ++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/problems/0239.滑动窗口最大值.md b/problems/0239.滑动窗口最大值.md index 2d556d8b..40da879c 100644 --- a/problems/0239.滑动窗口最大值.md +++ b/problems/0239.滑动窗口最大值.md @@ -802,6 +802,35 @@ class myDequeue{ } ``` +rust: + +```rust +impl Solution { + pub fn max_sliding_window(nums: Vec, k: i32) -> Vec { + let mut res = vec![]; + let mut queue = VecDeque::with_capacity(k as usize); + for (i, &v) in nums.iter().enumerate() { + // 如果队列长度超过 k，那么需要移除队首过期元素 + if i - queue.front().unwrap_or(&0) == k as usize { + queue.pop_front(); + } + while let Some(&index) = queue.back() { + if nums[index] >= v { + break; + } + // 如果队列第一个元素比当前元素小，那么就把队列第一个元素弹出 + queue.pop_back(); + } + queue.push_back(i); + if i >= k as usize - 1 { + res.push(nums[queue[0]]); + } + } + res + } +} +``` +