Wrote program for Day 42

README.md

@@ -88,7 +88,7 @@ We encourage you to share your progress and ask questions in the Discussions sec
 | Day #39       | [Halloween Sale](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-06/Day-39_Halloween-Sale)                        | :white_check_mark:      |
 | Day #40       | [Larrys Array](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-06/Day-40_Larrys-Array)                          | :white_check_mark:      |
 | Day #41       | [Sales By Match](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-06/Day-41_Sales-By-Match)                        | :white_check_mark:      |
-| Day #42       | [Drawing Book](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-06/Day-42_Drawing-Book)                          | :white_large_square:      |
+| Day #42       | [Drawing Book](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-06/Day-42_Drawing-Book)                          | :white_check_mark:      |
 | Day #43       | [Area Of A Triangle](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-07/Day-43_Area-Of-A-Triangle)                    | :white_large_square:      |
 | Day #44       | [Maximum Edge Of A Triangle](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-07/Day-44_Maximum-Edge-Of-A-Triangle)            | :white_large_square:      |
 | Day #45       | [Subtract The Swapped Bits...](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-07/Day-45_Subtract-The-Swapped-Bits-Without-Temp-Storage)          | :white_large_square:      |

Week-06/Day-42_Drawing-Book/day42/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "day42"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]

Week-06/Day-42_Drawing-Book/day42/src/lib.rs

@@ -0,0 +1,3 @@
+pub fn min_pages(n: usize, p: usize) -> usize {
+    std::cmp::min(p / 2, (n + (n + 1) % 2 - p) / 2)
+}

Week-06/Day-42_Drawing-Book/day42/src/main.rs

@@ -0,0 +1,32 @@
+use day42::min_pages;
+
+fn read_usize(request: &str) -> Result<usize, std::num::ParseIntError> {
+    use std::io::{self, Write};
+    print!("{}", request);
+    io::stdout().flush().expect("Failed to flush stdout.");
+    let mut input = String::new();
+    io::stdin()
+        .read_line(&mut input)
+        .expect("Failed to read from stdin.");
+    input.trim().parse()
+}
+
+fn main() {
+    let n = match read_usize("Insert the number of pages: ") {
+        Ok(n) => n,
+        Err(e) => {
+            eprintln!("Error: {}", e);
+            return;
+        }
+    };
+    let p = match read_usize("Insert the page number: ") {
+        Ok(p) => p,
+        Err(e) => {
+            eprintln!("Error: {}", e);
+            return;
+        }
+    };
+
+    let result = min_pages(n, p);
+    println!("The minimum number of pages to turn is: {}", result);
+}

Week-06/Day-42_Drawing-Book/day42/tests/example.rs

@@ -0,0 +1,9 @@
+#[cfg(test)]
+mod example {
+    use day42::min_pages;
+
+    #[test]
+    fn test() {
+        assert_eq!(min_pages(5, 3), 1);
+    }
+}