From 6d921bbb639d822a5a72ad15d62ed5c42e4cf1c9 Mon Sep 17 00:00:00 2001
From: Stevan Freeborn <65925598+StevanFreeborn@users.noreply.github.com>
Date: Fri, 12 Dec 2025 06:52:39 -0600
Subject: [PATCH] feat: i came, i saw, and i conquered

---
 cmd/06/main.go      | 35 +++++++++++++++++++++++++++++++++++
 cmd/06/main_test.go | 20 ++++++++++++++++++++
 2 files changed, 55 insertions(+)

diff --git a/cmd/06/main.go b/cmd/06/main.go
index cece549..1bbdeac 100644
--- a/cmd/06/main.go
+++ b/cmd/06/main.go
@@ -33,3 +33,38 @@ func SolvePartOne(filePath string) int {
 
 	return total
 }
+
+func SolvePartTwo(filePath string) int {
+	input := file.ReadAllLines(filePath)
+	numOfRows := len(input)
+	operatorRowIndex := numOfRows - 1
+	operatorRow := input[operatorRowIndex]
+	operatorRowLength := len(operatorRow)
+
+	total := 0
+	operands := []int{}
+
+	for operatorIndex := operatorRowLength - 1; operatorIndex >= 0; operatorIndex-- {
+		var operandBuilder strings.Builder
+
+		for row := range numOfRows - 1 {
+			v := string(input[row][operatorIndex])
+			operandBuilder.WriteString(v)
+		}
+
+		operandString := strings.TrimSpace(operandBuilder.String())
+		operand, _ := strconv.Atoi(operandString)
+		operands = append(operands, operand)
+		operandBuilder.Reset()
+
+		operator := string(operatorRow[operatorIndex])
+
+		if operator != " " {
+			total += problem.From(operator, operands).Solve()
+			operatorIndex--
+			operands = []int{}
+		}
+	}
+
+	return total
+}
diff --git a/cmd/06/main_test.go b/cmd/06/main_test.go
index 1a93b56..e6837a5 100644
--- a/cmd/06/main_test.go
+++ b/cmd/06/main_test.go
@@ -25,3 +25,23 @@ func TestSolvePartOneWithInput(t *testing.T) {
 		t.Errorf("got %d but wanted %d", result, expected)
 	}
 }
+
+func TestSolvePartTwoWithExampleInput(t *testing.T) {
+	expected := 3263827
+
+	result := solution.SolvePartTwo("EXAMPLE.txt")
+
+	if result != expected {
+		t.Errorf("got %d but wanted %d", result, expected)
+	}
+}
+
+func TestSolvePartTwoWithInput(t *testing.T) {
+	expected := 10442199710797
+
+	result := solution.SolvePartTwo("INPUT.txt")
+
+	if result != expected {
+		t.Errorf("got %d but wanted %d", result, expected)
+	}
+}