Complete 2023 day 6
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@ -65,7 +65,8 @@ impl Races {
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.nth(1)
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.unwrap()
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.replace(' ', "")
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.parse::<usize>().unwrap();
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.parse::<usize>()
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.unwrap();
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let distance = lines
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.next()
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@ -73,10 +74,11 @@ impl Races {
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.nth(1)
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.unwrap()
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.replace(' ', "")
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.parse::<usize>().unwrap();
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.parse::<usize>()
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.unwrap();
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Races {
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records: Vec::from([RaceRecord { time, distance}])
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records: Vec::from([RaceRecord { time, distance }]),
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}
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}
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@ -87,6 +89,10 @@ impl Races {
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.collect()
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}
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fn calculate_win_count(&self) -> usize {
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winning_possibilities(self.records[0]).len()
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}
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fn calculate_possible_win_product(&self) -> usize {
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self.calculate_winning_counts()
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.into_iter()
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@ -113,11 +119,24 @@ fn winning_possibilities(race: RaceRecord) -> Vec<usize> {
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fn part_one() {
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let records = Races::parse(FILE_STR);
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println!("Part 1 Product of winning possibilitiesL {}", records.calculate_possible_win_product());
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println!(
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"Part 1 Product of winning possibilities: {}",
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records.calculate_possible_win_product()
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);
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}
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fn part_two() {
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let record = Races::parse_single(FILE_STR);
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println!("{:#?}", record);
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println!(
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"Part 2 winning possibilities: {}",
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record.calculate_win_count()
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);
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}
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fn main() {
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part_one();
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part_two();
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}
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#[cfg(test)]
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@ -137,4 +156,10 @@ mod tests {
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let races = Races::parse(EXAMPLE_FILE_STR);
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assert_eq!(288, races.calculate_possible_win_product());
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}
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#[test]
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fn test_calculate_win_count() {
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let races = Races::parse_single(EXAMPLE_FILE_STR);
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assert_eq!(71503, races.calculate_win_count());
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}
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}
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