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Clean up day 06.

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Bert Peters
2016-12-06 12:21:58 +01:00
parent 9cb634b5d1
commit 7455d902f1
1 changed files with 3 additions and 10 deletions
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13
2016/day-06/src/main.rs
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@@ -29,8 +29,6 @@ fn least_frequent(counts: &HashMap<char, i32>) -> char
}
fn main() {
println!("Hello, world!");
let args: Vec<String> = env::args().collect();
let f = File::open(&args[1]).expect("Could not open file");
let reader = BufReader::new(f);
@@ -39,17 +37,12 @@ fn main() {
for line in reader.lines() {
for (i, c) in line.unwrap().trim().chars().enumerate() {
let pos = i as usize;
if pos >= counts.len() {
if i >= counts.len() {
counts.push(HashMap::new());
}
if ! counts[pos].contains_key(&c) {
counts[pos].insert(c, 1);
} else {
let cur = counts[pos][&c];
counts[pos].insert(c, cur + 1);
}
let cur = counts[i].entry(c).or_insert(0);
*cur += 1;
}
}