20 lines
591 B
Rust
20 lines
591 B
Rust
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use std::collections::HashMap;
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impl Solution {
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pub fn can_construct(ransom_note: String, magazine: String) -> bool {
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let mut magazine_map = magazine.bytes()
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.fold([0; 26], |mut map, chr| {
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map[chr as usize - 97] += 1;
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map
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});
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ransom_note.bytes()
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.all(|chr| {
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let old = magazine_map[chr as usize - 97];
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if old == 0 {
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return false;
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}
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magazine_map[chr as usize - 97] = old - 1;
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true
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})
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}
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}
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