Merge pull request #735 from ugurkupeli/64_Nichomacus/rust

rust port of nicomachus

64_Nicomachus/rust/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "rust"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

64_Nicomachus/rust/src/main.rs

@@ -0,0 +1,71 @@
+use std::io;
+
+fn main() {
+    println!("\n\n~~Nicomachus~~");
+    println!("Creative Computing Morristown, New Jersey\n");
+
+    println!("Boomerang Puzzle from Arithmetica of Nicomachus -- A.D. 90!\n");
+
+    loop {
+        println!("Please think of a number between 1 and 100.\n");
+
+        let a = question("3");
+        let b = question("5");
+        let c = question("7");
+
+        println!("\nLet me think a moment...");
+        std::thread::sleep(std::time::Duration::from_secs(2));
+
+        let d: i32 = (70 * a + 21 * b + 15 * c) % 105;
+
+        if prompt(format!("Your number was {}, right?", d)) {
+            println!("\nHow about that!!");
+        } else {
+            println!("\nI feel your arithmetic is in error.");
+        }
+
+        if !prompt("\nTry another?".to_string()) {
+            break;
+        }
+    }
+}
+
+fn question(n: &str) -> i32 {
+    loop {
+        println!("Your number divided by {} has a remainder of?", n);
+
+        let input = read_line().trim().parse::<i32>();
+
+        match input {
+            Ok(r) => return r,
+            Err(_) => println!("Input must be a number."),
+        }
+    }
+}
+
+fn prompt(msg: String) -> bool {
+    println!("{}", msg);
+
+    loop {
+        let input = read_line().trim().to_uppercase();
+        let input = input.as_str();
+
+        if input == "Y" || input == "YES" {
+            return true;
+        } else if input == "N" || input == "NO" {
+            return false;
+        } else {
+            println!("Please input either (Y)es or (N)o.")
+        }
+    }
+}
+
+fn read_line() -> String {
+    let mut input = String::new();
+
+    io::stdin()
+        .read_line(&mut input)
+        .expect("Failed to read line.");
+
+    input
+}