diff options
Diffstat (limited to 'majority-element')
-rw-r--r-- | majority-element/Cargo.toml | 8 | ||||
-rw-r--r-- | majority-element/src/main.rs | 19 |
2 files changed, 27 insertions, 0 deletions
diff --git a/majority-element/Cargo.toml b/majority-element/Cargo.toml new file mode 100644 index 0000000..8930310 --- /dev/null +++ b/majority-element/Cargo.toml @@ -0,0 +1,8 @@ +[package] +name = "majority-element" +version = "0.1.0" +edition = "2021" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] diff --git a/majority-element/src/main.rs b/majority-element/src/main.rs new file mode 100644 index 0000000..f6757e0 --- /dev/null +++ b/majority-element/src/main.rs @@ -0,0 +1,19 @@ +fn main() { + println!("Hello, world!"); +} + +struct Solution; + +use std::collections::HashMap; + +impl Solution { + pub fn majority_element(nums: Vec<i32>) -> i32 { + let mut table = HashMap::new(); + + for num in nums { + *table.entry(num).or_insert(1) += 1; + } + + *table.iter().reduce(|a,b| if a.1 > b.1 {a} else {b}).unwrap().0 + } +} |