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LeetCode/rs/custom-sort-string.rs
Matej Focko dcbe6a126c
rs: add «791. Custom Sort String»
Signed-off-by: Matej Focko <mfocko@redhat.com>
2024-03-11 23:09:50 +01:00

13 lines
400 B
Rust

use std::collections::HashMap;
impl Solution {
pub fn custom_sort_string(order: String, s: String) -> String {
let weights: HashMap<char, usize> =
order.chars().enumerate().map(|(i, c)| (c, i)).collect();
let mut s: Vec<char> = s.chars().collect();
s.sort_unstable_by_key(|c| *weights.get(c).unwrap_or(&usize::MAX));
s.into_iter().collect()
}
}