41 lines
648 B
Rust
41 lines
648 B
Rust
/**
|
|
* [169] Majority Element
|
|
*/
|
|
pub struct Solution {}
|
|
|
|
|
|
// submission codes start here
|
|
|
|
impl Solution {
|
|
pub fn majority_element(nums: Vec<i32>) -> i32 {
|
|
let mut count = 0;
|
|
let mut candidate = nums[0];
|
|
|
|
for i in nums {
|
|
if count == 0 {
|
|
candidate = i;
|
|
}
|
|
|
|
count += if candidate == i {
|
|
1
|
|
} else {
|
|
-1
|
|
};
|
|
}
|
|
|
|
candidate
|
|
}
|
|
}
|
|
|
|
// submission codes end
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
|
|
#[test]
|
|
fn test_169() {
|
|
assert_eq!(3, Solution::majority_element(vec![3,2,3]));
|
|
}
|
|
}
|