Wrote program for Day 59

README.md

@@ -105,7 +105,7 @@ We encourage you to share your progress and ask questions in the Discussions sec
 | Day #56       | [Convert To Hex](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-08/Day-56_Convert-To-Hex)                        | :white_check_mark:      |
 | Day #57       | [Magic Sigil Generator](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-09/Day-57_Magic-Sigil-Generator)                 | :white_check_mark:      |
 | Day #58       | [Create A Dice Roller](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-09/Day-58_Create-A-Dice-Roller)                  | :white_check_mark:      |
-| Day #59       | [Perfectly Balanced](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-09/Day-59_Perfectly-Balanced)                    | :white_large_square:      |
+| Day #59       | [Perfectly Balanced](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-09/Day-59_Perfectly-Balanced)                    | :white_check_mark:      |
 | Day #60       | [A Game Of Threes](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-09/Day-60_A-Game-Of-Thrones)                      | :white_large_square:      |
 | Day #61       | [Write A Web Crawler](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-09/Day-61_Write-A-Web-Crawler)                   | :white_large_square:      |
 | Day #62       | [Funny Plant](https://github.com/LiveGray/100-Days-Of-Rust/tree/main/Week-09/Day-62_Funny-Plant)                           | :white_large_square:      |

Week-09/Day-59_Perfectly-Balanced/day59/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "day59"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]

Week-09/Day-59_Perfectly-Balanced/day59/src/lib.rs

@@ -0,0 +1,13 @@
+use std::collections::HashMap;
+
+pub fn balanced_bonus(string: &str) -> bool {
+    let mut counts = HashMap::new();
+    for c in string.chars() {
+        counts.entry(c).and_modify(|e| *e += 1usize).or_insert(1);
+    }
+    if string.is_empty() {
+        return true;
+    }
+    let idx = string.chars().next().unwrap();
+    counts.iter().all(|x| *x.1 == counts[&idx])
+}

Week-09/Day-59_Perfectly-Balanced/day59/src/main.rs

@@ -0,0 +1,14 @@
+use std::io::{self, Write};
+
+use day59::balanced_bonus;
+
+fn main() {
+    print!("Enter a string to check if it is balanced: ");
+    io::stdout().flush().unwrap();
+    let mut input = String::new();
+    std::io::stdin().read_line(&mut input).unwrap();
+    match balanced_bonus(input.trim()) {
+        true => println!("The string is balanced."),
+        false => println!("The string is not balanced."),
+    }
+}

Week-09/Day-59_Perfectly-Balanced/day59/tests/examples.rs

@@ -0,0 +1,49 @@
+#[cfg(test)]
+mod examples {
+    use day59::balanced_bonus;
+
+    #[test]
+    fn example1() {
+        assert!(balanced_bonus("xxxyyyzzz"));
+    }
+
+    #[test]
+    fn example2() {
+        assert!(balanced_bonus("abccbaabccba"));
+    }
+
+    #[test]
+    fn example3() {
+        assert!(!balanced_bonus("xxxyyyzzzz"));
+    }
+
+    #[test]
+    fn example4() {
+        assert!(balanced_bonus("abcdefghijklmnopqrstuvwxyz"));
+    }
+
+    #[test]
+    fn example5() {
+        assert!(!balanced_bonus("pqq"));
+    }
+
+    #[test]
+    fn example6() {
+        assert!(!balanced_bonus("fdedfdeffeddefeeeefddf"));
+    }
+
+    #[test]
+    fn example7() {
+        assert!(balanced_bonus("www"));
+    }
+
+    #[test]
+    fn example8() {
+        assert!(balanced_bonus("x"));
+    }
+
+    #[test]
+    fn example9() {
+        assert!(balanced_bonus(""));
+    }
+}