cange folder names

day02/src/main.rs

@@ -0,0 +1,83 @@
+use std::{fs, cmp::max};
+
+fn main() {
+    let input = fs::read_to_string("input.txt").unwrap();
+    let input: Vec<_> = input.split('\n').collect();
+    let mut sum = 0;
+    for line in input {
+        let split:Vec<_> = line.split(':').collect();
+        let rounds: Vec<_> = split.last().unwrap().split(';').collect();
+        let rounds: Vec<_> = rounds.iter()
+            .map(|x| {
+                x.split(',').collect::<Vec<_>>()
+            }).collect();
+
+        let rounds: Vec<_> = rounds.iter()
+            .map(|x| {
+                x.iter().map(|x| {
+                    x.trim().split(' ').collect::<Vec<_>>()
+                }).collect::<Vec<_>>()
+            }).collect();
+        let (mut r_max, mut g_max, mut b_max) = (0, 0, 0);
+        for round in rounds {
+            for set in round {
+                let color = set.last().unwrap();
+                let num: i32 = set.first().unwrap().parse().unwrap();
+                match *color {
+                    "red" => r_max = max(num, r_max),
+                    "blue" => b_max = max(num, b_max),
+                    "green" => g_max = max(num, g_max),
+                    &_ => todo!()
+                }
+            }
+
+        }
+        //println!("{}", r_max);
+        sum += r_max * g_max * b_max;
+    }
+    println!("{}", sum);
+
+}
+
+
+
+// use std::fs;
+
+// fn main() {
+//     let input = fs::read_to_string("input.txt").unwrap();
+//     let input: Vec<_> = input.split('\n').collect();
+//     let mut game_id = 0;
+//     let (r_max, g_max, b_max) = (12, 13, 14);
+//     let mut sum = 0;
+//     for line in input {
+//         game_id += 1;
+//         let split:Vec<_> = line.split(':').collect();
+//         let rounds: Vec<_> = split.last().unwrap().split(';').collect();
+//         let rounds: Vec<_> = rounds.iter().map(|x| x.split(',').collect::<Vec<_>>()).collect();
+//         let rounds: Vec<_> = rounds.iter().map(|x| x.iter().map(|x| x.trim().split(' ').collect::<Vec<_>>()).collect::<Vec<_>>()).collect();
+//         let mut sad = false;
+
+//         for round in rounds {
+//             let (mut r_cur, mut g_cur, mut b_cur) = (0, 0, 0);
+//             for set in round {
+//                 let color = set.last().unwrap();
+//                 let num: i32 = set.first().unwrap().parse().unwrap();
+//                 match *color {
+//                     "red" => r_cur += num,
+//                     "blue" => b_cur += num,
+//                     "green" => g_cur += num,
+//                     &_ => todo!()
+//                 }
+//             }
+
+//             if r_cur > r_max || b_cur > b_max || g_cur > g_max {
+//                 sad = true;
+//             }
+//         }
+//         if !sad {
+//             sum += game_id;
+//         }
+//     }
+//     println!("{}", sum);
+
+// }