day6 part 2

day6/src/main.rs

@@ -6,16 +6,14 @@ fn main() {
         .map(|line| {
             &line[line.find(':').unwrap() + 1..] // Drop "Time:" and "Distance:"
         }).map(|line| {
-        line.split_whitespace() // Split the numbers into their own elements.
-        .map(|num| num.parse::<i32>().expect("Couldn't parse number")) // Parse numbers into i32
-        .collect::<Vec<_>>()
-    }).collect(); // collect into Vec
+            line.split_whitespace().flat_map(|s| s.chars()).collect::<String>() // Split the numbers into their own elements.
+        })
+        .map(|num| num.parse::<i64>().expect("Couldn't parse number")) // Parse numbers into i32
+        .collect(); // collect into Vec
 
-    let mut valid_total = 1;
 
-    for round in 0..input.first().unwrap().len() {
-        let time = input[0][round];
-        let dist = input[1][round];
+    let time = input[0];
+    let dist = input[1];
     let mut valid = 0;
 
     for remaining_time in 0..time {
@@ -23,8 +21,39 @@ fn main() {
             valid += 1;
         }
     }
-        valid_total *= valid;
+
+    println!("{}", valid);
 }
 
-    println!("{}", valid_total);
-}
+
+
+// use std::fs;
+
+// fn main() {
+//     let input = fs::read_to_string("input.txt").unwrap();
+//     let input: Vec<_> = input.split('\n') // Seperate the Time and Distance lines
+//     .map(|line| {
+//         &line[line.find(':').unwrap() + 1..] // Drop "Time:" and "Distance:"
+//     }).map(|line| {
+//         line.split_whitespace() // Split the numbers into their own elements.
+//         .map(|num| num.parse::<i32>().expect("Couldn't parse number")) // Parse numbers into i32
+//         .collect::<Vec<_>>()
+//     }).collect(); // collect into Vec
+
+//     let mut valid_total = 1;
+
+//     for round in 0..input.first().unwrap().len() {
+//         let time = input[0][round];
+//         let dist = input[1][round];
+//         let mut valid = 0;
+
+//         for remaining_time in 0..time {
+//             if (time - remaining_time) * remaining_time > dist {
+//                 valid += 1;
+//             }
+//         }
+//         valid_total *= valid;
+//     }
+
+//     println!("{}", valid_total);
+// }