From 8bc9fc8517fdea43470cd341d31370eb03a42ac7 Mon Sep 17 00:00:00 2001
From: Neil Hanlon <neil@rockylinux.org>
Date: Fri, 6 Dec 2024 12:30:33 -0500
Subject: [PATCH] attempt 1 at day 2 part 2
---
02/main.go | 29 ++++++++++++++++++++++-------
1 file changed, 22 insertions(+), 7 deletions(-)
diff --git a/02/main.go b/02/main.go
index 521c03c..19f334b 100644
--- a/02/main.go
+++ b/02/main.go
@@ -12,7 +12,8 @@ type Report struct {
levels []int
valid bool
direction string
- flag bool
+ flag int
+ dampened bool
}
// Reports stored one per line with levels in each column.
@@ -32,7 +33,8 @@ func main() {
number: idx,
valid: true,
direction: "ASC",
- flag: false,
+ flag: -1,
+ dampened: false,
}
for _, field := range reportFields {
reportVal, err := strconv.Atoi(field)
@@ -47,29 +49,39 @@ func main() {
var valid int
for _, report := range reports {
- fmt.Printf("%v\n", report)
if report.IsValid() {
valid++
}
+ fmt.Printf("%v\n", report)
}
fmt.Printf("Total: %v Valid %v\n", len(reports), valid)
}
func (report *Report) IsValid() bool {
+ if report.flag > 0 {
+ report.dampened = true
+ }
+
// Determine direction
if len(report.levels) >= 1 {
report.direction = DetermineDirection(report.levels[0], report.levels[1])
report.valid = report.ValidDirection() && report.ValidDeltas()
}
- // if !report.valid && !report.flag {
- // report.flag = true
- // return report.IsValid()
- // }
+ if !report.valid && report.flag > 0 && !report.dampened {
+ fmt.Printf("DAMPING:%v\n", report.levels)
+ report.levels = remove(report.levels, report.flag)
+ fmt.Printf("DAMPING:%v\n", report.levels)
+ return report.IsValid()
+ }
return report.valid
}
+func remove(slice []int, s int) []int {
+ return append(slice[:s], slice[s+1:]...)
+}
+
func (report *Report) ValidDeltas() bool {
for idx, val := range report.levels {
if prev := idx - 1; prev < 0 {
@@ -78,6 +90,7 @@ func (report *Report) ValidDeltas() bool {
last := report.levels[idx-1]
delta := Abs(val - last)
if delta < 1 || delta > 3 {
+ report.flag = idx
return false
}
}
@@ -93,10 +106,12 @@ func (report *Report) ValidDirection() bool {
switch report.direction {
case "ASC":
if last > val {
+ report.flag = idx
return false
}
case "DESC":
if last < val {
+ report.flag = idx
return false
}
default: