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use std::collections::HashSet;
use std::io::{self, Read};
fn solve1(input: &str) -> u32 {
let mut valid = 0;
for phrase in input.lines() {
let words = phrase.split_whitespace();
if words.clone().count() == words.collect::<HashSet<_>>().len() {
valid += 1;
}
}
valid
}
fn solve2(input: &str) -> u32 {
let mut valid = 0;
for phrase in input.lines() {
let count = phrase.split_whitespace().count();
let words = phrase.split_whitespace()
.map(str::chars)
.map(Iterator::collect::<Vec<_>>)
.map(|mut v| { v.sort(); v })
.collect::<HashSet<_>>();
if count == words.len() {
valid += 1;
}
}
valid
}
fn main() {
let mut input = String::new();
io::stdin().read_to_string(&mut input).unwrap();
println!("Part 1: {}", solve1(&input));
println!("Part 2: {}", solve2(&input));
}
#[test]
fn part1() {
assert_eq!(1, solve1("aa bb cc dd ee"));
assert_eq!(0, solve1("aa bb cc dd aa"));
assert_eq!(1, solve1("aa bb cc dd aaa"));
}
#[test]
fn part2() {
assert_eq!(1, solve2("abcde fghij"));
assert_eq!(0, solve2("abcde xyz ecdab"));
assert_eq!(1, solve2("a ab abc abd abf abj"));
assert_eq!(1, solve2("iiii oiii ooii oooi oooo"));
assert_eq!(0, solve2("oiii ioii iioi iiio"));
}
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