v0.1

src/bin/260202.rs

@@ -0,0 +1,31 @@
+use std::io;
+
+use rand::prelude::*;
+
+
+fn main() {
+    println!("[cioyu] 猜数游戏：");
+    let mut num = rand::rng();
+    let num = num.random_range(1..=100);
+    let mut index = 0;
+    while index<10 {
+        index += 1;
+        println!("请输入一个数字,当前还剩{}次机会",10-index);
+        let mut input = String::new();
+        io::stdin()
+            .read_line(&mut input)
+            .expect("读取输入发生了错误");
+        let input: i32 = match input.trim().parse() {
+            Ok(n) => n,
+            Err(_) => continue,
+        };
+        if input > num {
+            println!("你输入的数字大了")
+        } else if input < num {
+            println!("你输入的数字小了")
+        } else {
+            println!("你猜对了!!!");
+            break;
+        }
+    }
+}