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Readme.md
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Readme.md
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# Rust exercise
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# Rust exercise
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> 中文 Readme [传送门](./zh-CN/Readme.md)。
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- English: [https://exercise.rs](https://exercise.rs)
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- 简体中文: [https://zh.exercise.rs](https://zh.exercise.rs)
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Greetings and welcome to `exercise.rs`, If you have the following problems:
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Greetings and welcome to `exercise.rs`, If you have the following problems:
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Then you have come to a right place: here you can find a bunch of easy to hard exercises to improve your Rust skills which cover almost every topic in Rust,this will help you fill the gap of easy-to-learn and hard-to-use.
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Then you have come to a right place: here you can find a bunch of easy to hard exercises to improve your Rust skills which cover almost every topic in Rust,this will help you fill the gap of easy-to-learn and hard-to-use.
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## Online Reading
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> 中文 Readme [传送门](./zh-CN/Readme.md)。
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This book is written in English and Chinese, you can pick up the language you are familiar with:
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- English: [https://exercise.rs](https://exercise.rs)
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- 简体中文: [https://zh.exercise.rs](https://zh.exercise.rs)
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## About exercises
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## About exercises
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- The only correct way: make exercise comipile with NO ERRORS!
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- You can edit exercise online and then run it online too
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- **Your only gola is make every exercise comipile with NO ERRORS!**
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- difficulty level: easy: 🌟 medium: 🌟🌟 hard: 🌟🌟🌟 hell: 🌟🌟🌟🌟
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- difficulty level: easy: 🌟 medium: 🌟🌟 hard: 🌟🌟🌟 hell: 🌟🌟🌟🌟
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- Everything is online: reading, editing, testing
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## Contributing
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## Contributing
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# Statements and Expressions
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# Statements and Expressions
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### Examples
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```rust,editable
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fn main() {
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let x = 5u32;
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let y = {
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let x_squared = x * x;
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let x_cube = x_squared * x;
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// This expression will be assigned to `y`
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x_cube + x_squared + x
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};
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let z = {
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// The semicolon suppresses this expression and `()` is assigned to `z`
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2 * x;
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};
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println!("x is {:?}", x);
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println!("y is {:?}", y);
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println!("z is {:?}", z);
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}
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```
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### Exercises
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🌟🌟
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```rust,editable
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// make it work with two ways: both modify the inner {}
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fn main() {
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let v = {
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let mut x = 1;
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x += 2
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};
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assert_eq!(v, 3);
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}
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```
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🌟
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```rust,editable
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fn main() {
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let v = (let x = 3);
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assert!(v == 3);
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}
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```
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🌟
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```rust,editable
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fn main() {}
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fn sum(x: i32, y: i32) -> i32 {
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x + y;
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}
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```
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# Rust 练习题
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# Rust 练习题
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- English: [https://exercise.rs](https://exercise.rs)
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- 简体中文: [https://zh.exercise.rs](https://zh.exercise.rs)
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欢迎大家来到 `exercise.rs`,在来到这里之前不知道你有没有碰到过以下问题:
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欢迎大家来到 `exercise.rs`,在来到这里之前不知道你有没有碰到过以下问题:
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- 学完知识,想要针对性的练习,但是只能找到一些不痛不痒的习题
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- 学完知识,想要针对性的练习,但是只能找到一些不痛不痒的习题
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如果你曾经和我有一样的问题,那来到这里就对了:**在这里你能找到大量从简单到困难的 Rust 练习题,不仅能针对性巩固你所学过的知识,解决 Rust 语言难以上手应用的问题**。
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如果你曾经和我有一样的问题,那来到这里就对了:**在这里你能找到大量从简单到困难的 Rust 练习题,不仅能针对性巩固你所学过的知识,解决 Rust 语言难以上手应用的问题**。
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## 在线阅读
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本书同时提供了中文和英文版本:
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- English: [https://exercise.rs](https://exercise.rs)
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- 简体中文: [https://zh.exercise.rs](https://zh.exercise.rs)
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## 关于练习题的说明
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## 关于练习题的说明
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- 我们的练习只有一个目的:那就是让编译通过,但是你需要注意相应的提示,例如删除所有代码也可以让练习通过
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- 难度等级: 简单: 🌟 中等: 🌟🌟 困难: 🌟🌟🌟 地狱: 🌟🌟🌟🌟
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- 一切都在线化: 阅读、编辑和测试代码,当然还包括错误提示
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- 一切都在线化: 阅读、编辑和测试代码,当然还包括错误提示
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- 每一道练习题都只有一个目的:那就是让编译通过,但是你需要注意相应的提示,例如删除所有代码也可以让练习通过
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- 难度等级: 简单: 🌟 中等: 🌟🌟 困难: 🌟🌟🌟 地狱: 🌟🌟🌟🌟
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## 欢迎你,贡献者
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## 欢迎你,贡献者
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本项目欢迎一切贡献者,特别是怀揣题库的兄弟,你所贡献的每一道题都会注明你的昵称和个人链接,是时候让全世界看看咱的风采了。
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本项目欢迎一切贡献者,特别是怀揣题库的兄弟,你所贡献的每一道题都会注明你的昵称和个人链接,是时候让全世界看看咱的风采了。
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}
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}
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```
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```
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### Bool
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### 布尔
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🌟
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🌟
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```rust, editable
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```rust, editable
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```
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```
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### Unit type
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### 单元类型
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🌟🌟
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🌟🌟
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```rust,editable
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```rust,editable
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# Statements and Expressions
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# Statements and Expressions
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### Examples
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```rust,editable
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fn main() {
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let x = 5u32;
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let y = {
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let x_squared = x * x;
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let x_cube = x_squared * x;
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// This expression will be assigned to `y`
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x_cube + x_squared + x
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};
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let z = {
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// The semicolon suppresses this expression and `()` is assigned to `z`
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2 * x;
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};
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println!("x is {:?}", x);
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println!("y is {:?}", y);
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println!("z is {:?}", z);
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}
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```
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### exercises
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🌟🌟
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```rust,editable
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// make it work with two ways: both modify the inner {}
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fn main() {
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let v = {
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let mut x = 1;
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x += 2
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};
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assert_eq!(v, 3);
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}
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```
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🌟
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```rust,editable
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fn main() {
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let v = (let x = 3);
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assert!(v == 3);
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}
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```
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🌟
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```rust,editable
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fn main() {}
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fn sum(x: i32, y: i32) -> i32 {
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x + y;
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}
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```
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