Semordnilap: Difference between revisions
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Semordnilap pairs found: 158 |
Semordnilap pairs found: 158 |
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</pre> |
</pre> |
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===A Shortened Version=== |
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<lang Rust>use std::{collections::HashSet, fs}; |
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fn reverse(x: &str) -> String { |
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x.chars().rev().collect::<String>() |
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} |
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fn main() { |
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let content = fs::read_to_string("unixdict.txt").expect("No file found!"); |
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let work: HashSet<&str> = content.lines().collect(); |
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let mut candidats: Vec<&str> = work.clone().into_iter().collect(); |
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candidats.retain(|&x| work.contains(&reverse(x).as_str()) && x < reverse(x).as_str()); |
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println!("Numbers of pairs found: {}", candidats.len()); |
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for ind in 0..5 { |
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println!("{}, {}", candidats[ind], reverse(candidats[ind])); |
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} |
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}</lang> |
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{{out}} |
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<pre>Numbers of pairs found: 158 |
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mn, nm |
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map, pam |
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saw, was |
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deep, peed |
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door, rood</pre> |
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=={{header|Scala}}== |
=={{header|Scala}}== |