Wrote program for Day 34

README.md

@@ -80,7 +80,7 @@ We encourage you to share your progress and ask questions in the Discussions sec
 | Day #31       | [The Time In Words](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-05/Day-31_The-Time-In-Words)                     | :white_check_mark:      |
 | Day #32       | [Climbing The Leaderboard](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-05/Day-32_Climbing-The-Leaderboard)              | :white_check_mark:      |
 | Day #33       | [WERTYU](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-05/Day-33_WERTYU)                                | :white_check_mark:      |
-| Day #34       | [Primary Arithmetic](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-05/Day-34_Primary-Arithmetic)                    | :white_large_square:      |
+| Day #34       | [Primary Arithmetic](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-05/Day-34_Primary-Arithmetic)                    | :white_check_mark:      |
 | Day #35       | [Dog And Gopher](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-05/Day-35_Dog-And-Gopher)                        | :white_large_square:      |
 | Day #36       | [LCD Display](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-06/Day-36_LCD-Display)                           | :white_large_square:      |
 | Day #37       | [Breaking The Records](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-06/Day-37_Breaking-The-Records)                  | :white_large_square:      |

Week-05/Day-34_Primary-Arithmetic/day34/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "day34"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]

Week-05/Day-34_Primary-Arithmetic/day34/src/lib.rs

@@ -0,0 +1,22 @@
+pub fn carry_operations(num1: usize, num2: usize) -> u8 {
+    let mut result = 0;
+
+    let mut bigger = std::cmp::max(num1, num2);
+    let mut smaller = std::cmp::min(num1, num2);
+
+    let mut next_reminder = 0;
+
+    while smaller > 0 {
+        let remainder = bigger % 10 + smaller % 10 + next_reminder;
+
+        bigger /= 10;
+        smaller /= 10;
+
+        if remainder > 9 {
+            result += 1;
+            next_reminder += remainder / 10;
+        }
+    }
+
+    result
+}

Week-05/Day-34_Primary-Arithmetic/day34/src/main.rs

@@ -0,0 +1,42 @@
+use std::{
+    io::{self, Write},
+    process::exit,
+};
+
+use day34::carry_operations;
+
+fn read_usize(request: &str) -> Result<usize, &str> {
+    print!("{}", request);
+    io::stdout().flush().expect("Failed to flush stdout");
+
+    let mut buffer = String::new();
+
+    io::stdin()
+        .read_line(&mut buffer)
+        .expect("Failed to read line");
+
+    match buffer.trim().parse() {
+        Ok(x) => Ok(x),
+        Err(_) => Err("Your input is not an unsigned integer"),
+    }
+}
+
+fn main() {
+    let num1 = match read_usize("Insert the first number: ") {
+        Ok(x) => x,
+        Err(e) => {
+            eprintln!("{}", e);
+            exit(1);
+        }
+    };
+    let num2 = match read_usize("Insert the second number: ") {
+        Ok(x) => x,
+        Err(e) => {
+            eprintln!("{}", e);
+            exit(1);
+        }
+    };
+
+    let result = carry_operations(num1, num2);
+    println!("Carry operations: {}", result);
+}

Week-05/Day-34_Primary-Arithmetic/day34/tests/examples.rs

@@ -0,0 +1,34 @@
+#[cfg(test)]
+mod examples {
+    use day34::carry_operations;
+
+    #[test]
+    fn example1() {
+        assert_eq!(carry_operations(123, 456), 0);
+    }
+
+    #[test]
+    fn example2() {
+        assert_eq!(carry_operations(555, 555), 3);
+    }
+
+    #[test]
+    fn example3() {
+        assert_eq!(carry_operations(123, 594), 1);
+    }
+
+    #[test]
+    fn example4() {
+        assert_eq!(carry_operations(555, 545), 3);
+    }
+
+    #[test]
+    fn example5() {
+        assert_eq!(carry_operations(1, 20000), 0);
+    }
+
+    #[test]
+    fn example6() {
+        assert_eq!(carry_operations(1, 2), 0);
+    }
+}