From 4b0a6a01b051a4ebfbc17661d14cb23fe4f275fb Mon Sep 17 00:00:00 2001 From: Orangerot Date: Thu, 27 Jun 2024 11:30:16 +0200 Subject: Initial commit --- majority-element-ii/src/main.rs | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 majority-element-ii/src/main.rs (limited to 'majority-element-ii/src/main.rs') 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) -> Vec { + 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() + } +} -- cgit v1.2.3