From 9ea77b5c26697ea55ddc49a687fbefecac2b3323 Mon Sep 17 00:00:00 2001
From: Alexander Medvednikov <alexander@medvednikov.com>
Date: Mon, 2 Nov 2026 03:18:33 +0300
Subject: [PATCH] Update Advent of Code solutions for current V semantics

---
 2022/07/ChAoSUnItY.v   | 2 ++
 2023/02/JalonSolov.v   | 4 ++--
 2023/02/jacksonmowry.v | 4 ++--
 2024/03/leodev.v       | 4 ++--
 2024/05/leodev.v       | 2 +-
 2024/07/leodev.v       | 2 +-
 6 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/2022/07/ChAoSUnItY.v b/2022/07/ChAoSUnItY.v
index 6236184..8565255 100644
--- a/2022/07/ChAoSUnItY.v
+++ b/2022/07/ChAoSUnItY.v
@@ -66,6 +66,7 @@ fn (mut fs FileSystem) update_parent_dir_size(size u32, parent usize) {
 	match mut parent_node {
 		DirNode {
 			parent_node.size += size
+			fs.nodes[parent] = parent_node
 
 			if grand_parent := parent_node.parent {
 				fs.update_parent_dir_size(size, grand_parent)
@@ -91,6 +92,7 @@ fn (mut fs FileSystem) add_node(node Node) {
 	match mut current_node {
 		DirNode {
 			current_node.children << usize(index)
+			fs.nodes[fs.current_node] = current_node
 		}
 		else {}
 	}
diff --git a/2023/02/JalonSolov.v b/2023/02/JalonSolov.v
index 246855c..a53dced 100644
--- a/2023/02/JalonSolov.v
+++ b/2023/02/JalonSolov.v
@@ -11,7 +11,7 @@ mut sum_of_powers := 0
 
 for l in lines {
 	game_num := l[5..].int()
-	draws := l[l.index(':')! + 1..].split(';').map(it.trim_space())
+	draws := l[(l.index(':') or { panic('missing colon') }) + 1..].split(';').map(it.trim_space())
 	mut possible := true
 	mut min_red := 0
 	mut min_green := 0
@@ -22,7 +22,7 @@ for l in lines {
 
 		for cube in cubes {
 			num_cubes := cube.int()
-			cube_color := cube[cube.index(' ')! + 1..]
+			cube_color := cube[(cube.index(' ') or { panic('missing space') }) + 1..]
 
 			match cube_color {
 				'red' {
diff --git a/2023/02/jacksonmowry.v b/2023/02/jacksonmowry.v
index c056f08..b52caa4 100644
--- a/2023/02/jacksonmowry.v
+++ b/2023/02/jacksonmowry.v
@@ -17,10 +17,10 @@ fn main() {
 }
 
 fn part_2(input []string) !int {
-	return arrays.sum[int](input.map(it.split(': ')[1]).map(it.split_any(',;').map(it.trim_space().split(' '))).map(it.power()))
+	return arrays.sum[int](input.map(it.split(': ')[1]).map(it.split_any(',;').map(it.trim_space().split(' '))).map(power(it)))
 }
 
-fn (s [][]string) power() int {
+fn power(s [][]string) int {
 	mut arr := [1, 1, 1]
 	for hand in s {
 		num := hand[0].int()
diff --git a/2024/03/leodev.v b/2024/03/leodev.v
index a8a021c..30df729 100644
--- a/2024/03/leodev.v
+++ b/2024/03/leodev.v
@@ -7,7 +7,7 @@ fn main() {
 	mut re := regex.regex_opt(r'mul\(\d{1,3},\d{1,3}\)')!
 	mut total := 0
 	for value in re.find_all_str(content) {
-		a, b := value[4..value.len - 1].split_once(',') or { panic(err) }
+		a, b := value[4..value.len - 1].split_once(',') or { panic('missing delimiter') }
 		total += a.int() * b.int()
 	}
 
@@ -28,7 +28,7 @@ fn main() {
 			continue
 		}
 
-		a, b := content2[start + 4..end - 1].split_once(',') or { panic(err) }
+		a, b := content2[start + 4..end - 1].split_once(',') or { panic('missing delimiter') }
 		total2 += a.int() * b.int()
 	}
 
diff --git a/2024/05/leodev.v b/2024/05/leodev.v
index 2638d69..1192944 100644
--- a/2024/05/leodev.v
+++ b/2024/05/leodev.v
@@ -12,7 +12,7 @@ fn main() {
 			break
 		}
 
-		a, b := line.split_once('|') or { panic(err) }
+		a, b := line.split_once('|') or { panic('missing delimiter') }
 		rules[a.int()] << b.int()
 		rules2[b.int()] << a.int()
 	}
diff --git a/2024/07/leodev.v b/2024/07/leodev.v
index 3025da3..ea1f5e9 100644
--- a/2024/07/leodev.v
+++ b/2024/07/leodev.v
@@ -6,7 +6,7 @@ fn main() {
 	mut total1 := i64(0)
 	mut total2 := i64(0)
 	for line in lines {
-		expected_str, value_str := line.split_once(': ') or { panic(err) }
+		expected_str, value_str := line.split_once(': ') or { panic('missing delimiter') }
 		expected := expected_str.i64()
 		values := value_str.split(' ').map(it.i64())