Complete 2023 day 6

2023/day6/src/main.rs

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