Initial commitHEADmain

1 files changed, 28 insertions, 0 deletions

diff --git a/majority-element-ii/src/main.rs b/majority-element-ii/src/main.rs
new file mode 100644
index 0000000..34872a4
--- /dev/null
+++ b/majority-element-ii/src/main.rs
@@ -0,0 +1,28 @@
+fn main() {
+    println!("Hello, world!");
+    let tests = [
+        vec![3,2,3],
+        vec![1],
+        vec![1,2]
+    ];
+
+    for test in tests {
+        let result = Solution::majority_element(test.clone());
+        println!("{test:?} is {result:?}");
+    }
+}
+
+struct Solution;
+
+use std::collections::HashMap;
+
+impl Solution {
+    pub fn majority_element(nums: Vec<i32>) -> Vec<i32> {
+        let mut occurance: HashMap<&i32, i32> = HashMap::new();
+        
+        for num in &nums {
+            occurance.entry(num).and_modify(|x| {*x += 1}).or_insert(0);
+        }
+        occurance.iter().filter(|(_, &occ)| occ >= nums.len() as i32 / 3).map(|(&&num,_)| num).collect()
+    }
+}