Add problem 2293: Min Max Game

src/lib.rs

@@ -1701,6 +1701,7 @@ pub mod problem_2284_sender_with_largest_word_count;
 pub mod problem_2285_maximum_total_importance_of_roads;
 pub mod problem_2287_rearrange_characters_to_make_target_string;
 pub mod problem_2288_apply_discount_to_prices;
+pub mod problem_2293_min_max_game;
 
 #[cfg(test)]
 mod test_utilities;

src/problem_2293_min_max_game/iterative.rs

@@ -0,0 +1,48 @@
+pub struct Solution;
+
+// ------------------------------------------------------ snip ------------------------------------------------------ //
+
+impl Solution {
+    pub fn min_max_game(nums: Vec<i32>) -> i32 {
+        let mut nums = nums;
+        let n = nums.len().trailing_zeros();
+
+        for i in 0..n {
+            let small_skip = 1 << i;
+            let big_skip = small_skip << 2;
+            let mut j = small_skip;
+
+            while j < nums.len() {
+                nums[j - small_skip] = nums[j - small_skip].min(nums[j]);
+
+                j += big_skip;
+            }
+
+            j = small_skip * 3;
+
+            while j < nums.len() {
+                nums[j - small_skip] = nums[j - small_skip].max(nums[j]);
+
+                j += big_skip;
+            }
+        }
+
+        nums[0]
+    }
+}
+
+// ------------------------------------------------------ snip ------------------------------------------------------ //
+
+impl super::Solution for Solution {
+    fn min_max_game(nums: Vec<i32>) -> i32 {
+        Self::min_max_game(nums)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn test_solution() {
+        super::super::tests::run::<super::Solution>();
+    }
+}

src/problem_2293_min_max_game/mod.rs

@@ -0,0 +1,18 @@
+pub mod iterative;
+
+pub trait Solution {
+    fn min_max_game(nums: Vec<i32>) -> i32;
+}
+
+#[cfg(test)]
+mod tests {
+    use super::Solution;
+
+    pub fn run<S: Solution>() {
+        let test_cases = [(&[1, 3, 5, 2, 4, 8, 2, 2] as &[_], 1), (&[3], 3)];
+
+        for (nums, expected) in test_cases {
+            assert_eq!(S::min_max_game(nums.to_vec()), expected);
+        }
+    }
+}