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32 lines
971 B
32 lines
971 B
3 years ago
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// This stub file contains items which aren't used yet; feel free to remove this module attribute
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// to enable stricter warnings.
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#![allow(unused)]
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use std::collections::HashMap;
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pub fn can_construct_note(magazine: &[&str], note: &[&str]) -> bool {
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let mut words_on_magazine: HashMap<&str, u16> = HashMap::new();
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magazine.iter().for_each(|word| {
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let count = if words_on_magazine.contains_key(word) {
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*words_on_magazine.get(word).unwrap()
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} else {
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0
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};
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words_on_magazine.insert(word, count + 1);
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});
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for note_word in note {
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if !words_on_magazine.contains_key(note_word) {
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return false;
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} else {
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let count = words_on_magazine.get(note_word).unwrap() - 1;
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if count > 0 {
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words_on_magazine.insert(note_word, count);
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} else {
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words_on_magazine.remove(note_word);
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}
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}
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}
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true
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}
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