https://leetcode.com/problems/minimum-time-difference/ (Rust)

minimum-time-difference.rs

impl Solution {
    pub fn find_min_difference(time_points: Vec<String>) -> i32 {
        fn to_minutes(time: &str) -> i32 {
            let parts: Vec<_> = time.split(":").collect();
            let hours: i32 = parts[0].parse().unwrap();
            let minutes: i32 = parts[1].parse().unwrap();
            hours * 60 + minutes
        }
        let mut minutes: Vec<_> = time_points.iter().map(|t| to_minutes(&t)).collect();
        minutes.sort_unstable();
        std::cmp::min(
            minutes.iter().zip(minutes.iter().skip(1)).map(|(x, y)| y - x).min().unwrap(),
            minutes[0] + 1440 - minutes.last().unwrap(),
        )
    }
}