Add problem 2769: Find the Maximum Achievable Number

Author: EFanZh

src/lib.rs

@@ -1962,6 +1962,7 @@ pub mod problem_2760_longest_even_odd_subarray_with_threshold;
 pub mod problem_2761_prime_pairs_with_target_sum;
 pub mod problem_2765_longest_alternating_subarray;
 pub mod problem_2766_relocate_marbles;
+pub mod problem_2769_find_the_maximum_achievable_number;
 
 #[cfg(test)]
 mod test_utilities;

src/problem_2769_find_the_maximum_achievable_number/mathematical.rs

@@ -0,0 +1,25 @@
+pub struct Solution;
+
+// ------------------------------------------------------ snip ------------------------------------------------------ //
+
+impl Solution {
+    pub fn the_maximum_achievable_x(num: i32, t: i32) -> i32 {
+        num + 2 * t
+    }
+}
+
+// ------------------------------------------------------ snip ------------------------------------------------------ //
+
+impl super::Solution for Solution {
+    fn the_maximum_achievable_x(num: i32, t: i32) -> i32 {
+        Self::the_maximum_achievable_x(num, t)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn test_solution() {
+        super::super::tests::run::<super::Solution>();
+    }
+}

src/problem_2769_find_the_maximum_achievable_number/mod.rs

@@ -0,0 +1,18 @@
+pub mod mathematical;
+
+pub trait Solution {
+    fn the_maximum_achievable_x(num: i32, t: i32) -> i32;
+}
+
+#[cfg(test)]
+mod tests {
+    use super::Solution;
+
+    pub fn run<S: Solution>() {
+        let test_cases = [((4, 1), 6), ((3, 2), 7)];
+
+        for ((num, t), expected) in test_cases {
+            assert_eq!(S::the_maximum_achievable_x(num, t), expected);
+        }
+    }
+}