From 5088896efd085e8fcbc554cb5c790b3896a678be Mon Sep 17 00:00:00 2001
From: "exercism-solutions-syncer[bot]"
 <211797793+exercism-solutions-syncer[bot]@users.noreply.github.com>
Date: Sat, 27 Sep 2025 16:11:47 +0000
Subject: [PATCH] [Sync Iteration] go/run-length-encoding/1

---
 .../1/run_length_encoding.go                  | 53 +++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 solutions/go/run-length-encoding/1/run_length_encoding.go

diff --git a/solutions/go/run-length-encoding/1/run_length_encoding.go b/solutions/go/run-length-encoding/1/run_length_encoding.go
new file mode 100644
index 0000000..bb2d0cb
--- /dev/null
+++ b/solutions/go/run-length-encoding/1/run_length_encoding.go
@@ -0,0 +1,53 @@
+package encode
+
+import (
+	"strconv"
+	"strings"
+)
+
+func RunLengthEncode(input string) string {
+	if input == "" {
+		return ""
+	}
+
+	var result strings.Builder
+	char := rune(input[0])
+	count := 1
+
+	for _, r := range input[1:] {
+		if r == char {
+			count++
+		} else {
+			if count > 1 {
+				result.WriteString(strconv.Itoa(count))
+			}
+			result.WriteRune(char)
+			char = r
+			count = 1
+		}
+	}
+
+	if count > 1 {
+		result.WriteString(strconv.Itoa(count))
+	}
+	result.WriteRune(char)
+
+	return result.String()
+}
+func RunLengthDecode(input string) string {
+	count := ""
+	result := ""
+	for _, r := range input {
+		if r >= '0' && r <= '9' {
+			count += string(r)
+			continue
+		}
+		num := 1
+		if count != "" {
+			num, _ = strconv.Atoi(count)
+		}
+		result += strings.Repeat(string(r), num)
+		count = ""
+	}
+	return result
+}