25 lines
602 B
Rust
25 lines
602 B
Rust
pub struct Solution;
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impl Solution {
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pub fn count_consistent_strings(allowed: String, words: Vec<String>) -> i32 {
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let mut allowed_table = 0u32;
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for c in allowed.chars() {
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allowed_table |= 1 << c as u32 - 97;
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}
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let mut result = 0;
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for word in words {
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let mut is_subset = 1;
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for c in word.chars() {
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if allowed_table & 1 << c as u32 - 97 == 0 {
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is_subset = 0;
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break;
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}
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}
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result += is_subset;
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}
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result
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}
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}
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