cange folder names

2023-12-07 12:30:36 -05:00
parent c5a765e487
commit 8272d3b62c
24 changed files with 0 additions and 0 deletions
--- a/day05/src/main.rs
+++ b/day05/src/main.rs
@@ -0,0 +1,93 @@
+use std::fs;
+
+fn main() {
+    let input = fs::read_to_string("input.txt").unwrap();
+    let mut mappers: Vec<_> = input.split("\n\n")
+    .map(|maps| &maps[(maps.find(':').unwrap() + 1)..])
+    .map(|maps| maps.trim())
+    .map(|maps| {
+        maps.split('\n')
+        .map(|range| {
+            range.split(' ')
+            .map(|num| num.parse::<i64>().unwrap())
+            .collect::<Vec<_>>()
+        })
+        .collect::<Vec<_>>()
+    })
+    .collect();
+
+    let seeds = mappers.first().unwrap().first().unwrap().clone();
+    let mappers: &mut [Vec<Vec<i64>>] = mappers.get_mut(1..).unwrap();
+
+    for mapper in mappers.into_iter() {
+        for range in mapper {
+            range[2] = range[1] + range[2] - 1;
+        }
+    }
+
+    let mut cur_vals: Vec<_> = Vec::new();
+    for i in 0..seeds.len() / 2 {
+        let end = seeds[i * 2] + seeds[(i * 2) + 1];
+        let mut range: Vec<_> = (seeds[i * 2]..end).collect();
+        cur_vals.append(&mut range);
+    }
+    println!("{}", cur_vals.len());
+    for mapper in mappers {
+        for val in cur_vals.iter_mut() {
+            println!("{}", val);
+            for range in mapper.into_iter() {
+                if range[1] <= *val && *val <= range[2] {
+                    let diff = *val - range[1];
+                    *val = range[0] + diff;
+                    break;
+                }
+            }
+        }
+    }
+
+    println!("{:?}", cur_vals.into_iter().min().unwrap())
+}
+
+
+// use std::fs;
+
+// fn main() {
+//     let input = fs::read_to_string("input.txt").unwrap();
+//     let mut mappers: Vec<_> = input.split("\n\n")
+//     .map(|maps| &maps[(maps.find(':').unwrap() + 1)..])
+//     .map(|maps| maps.trim())
+//     .map(|maps| {
+//         maps.split('\n')
+//         .map(|range| {
+//             range.split(' ')
+//             .map(|num| num.parse::<i64>().unwrap())
+//             .collect::<Vec<_>>()
+//         })
+//         .collect::<Vec<_>>()
+//     })
+//     .collect();
+
+//     let seeds = mappers.first().unwrap().first().unwrap().clone();
+//     let mappers: &mut [Vec<Vec<i64>>] = mappers.get_mut(1..).unwrap();
+
+//     for mapper in mappers.into_iter() {
+//         for range in mapper {
+//             range[2] = range[1] + range[2] - 1;
+//         }
+//     }
+
+//     let mut cur_vals: Vec<_> = seeds;
+//     for mapper in mappers {
+//         for val in cur_vals.iter_mut() {
+//             for range in mapper.into_iter() {
+//                 if range[1] <= *val && *val <= range[2] {
+//                     let diff = *val - range[1];
+//                     *val = range[0] + diff;
+//                     break;
+//                 }
+//             }
+//         }
+//     }
+
+//     println!("{:?}", cur_vals.into_iter().min().unwrap())
+// }