Initial commit

1 files changed, 39 insertions, 0 deletions

diff --git a/src/day5pt1.rs b/src/day5pt1.rs
new file mode 100644
index 0000000..a50a66a
--- /dev/null
+++ b/src/day5pt1.rs
@@ -0,0 +1,39 @@
+pub fn main() {
+    let txt = std::fs::read_to_string("./input/day5.txt").unwrap();
+
+    let mut seeds: Vec<i64> = vec![];
+    let mut rules: Vec<(i64, i64, i64)> = vec![];
+
+    for (i, line) in txt.lines().enumerate() {
+        if line != "" {
+            // dodaj u vec
+            if i != 0 && line.chars().nth(line.len() - 1).unwrap() != ':' {
+                let br: Vec<i64> = line.split(" ").map(|s| s.parse().unwrap()).collect();
+                rules.push((br[0], br[1], br[2]));
+            }
+        } else {
+            // obradi
+            for i in 0..seeds.len() {
+                for rule in &rules {
+                    if rule.1 <= seeds[i] && seeds[i] < rule.1 + rule.2 {
+                        seeds[i] += rule.0 - rule.1;
+                        break;
+                    }
+                }
+            }
+            rules.clear();
+        }
+
+        if seeds.is_empty() && line != "" {
+            seeds = line
+                .split(": ")
+                .collect::<Vec<_>>()
+                .get(1)
+                .unwrap()
+                .split(" ")
+                .map(|s| s.parse().unwrap())
+                .collect();
+        }
+    }
+    println!("{}", seeds.iter().min().unwrap());
+}