From 7bf49d4d70ecba9fdb086c6c1d0f3216505ae2ff Mon Sep 17 00:00:00 2001
From: Gonzalo Diaz <devel@gon.cl>
Date: Tue, 22 Apr 2025 20:50:21 -0400
Subject: [PATCH] =?UTF-8?q?[Hacker=20Rank]=20Interview=20Preparation=20Kit?=
 =?UTF-8?q?:=20Dictionaries=20and=20Hashmaps:=20Two=20Strings.=20Solved=20?=
 =?UTF-8?q?=E2=9C=93.?=
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---
 .../dictionaries_and_hashmaps/two_strings.go  | 32 ++++++++++++++
 .../two_strings.testcases.json                | 20 +++++++++
 .../two_strings_test.go                       | 43 +++++++++++++++++++
 3 files changed, 95 insertions(+)
 create mode 100644 exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/two_strings.go
 create mode 100644 exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/two_strings.testcases.json
 create mode 100644 exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/two_strings_test.go

diff --git a/exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/two_strings.go b/exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/two_strings.go
new file mode 100644
index 0000000..8369587
--- /dev/null
+++ b/exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/two_strings.go
@@ -0,0 +1,32 @@
+/**
+ * @link Problem definition [[docs/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/two_strings.md]]
+ */
+
+package hackerrank
+
+const __TWO_STRINGS_YES__ = "Yes"
+const __TWO_STRINGS_NO__ = "No"
+
+func twoStringsCompute(s1 string, s2 string) bool {
+	for _, letter := range s1 {
+		for _, n := range s2 {
+			if letter == n {
+				return true
+			}
+		}
+	}
+
+	return false
+}
+
+func twoStrings(s1 string, s2 string) string {
+	if twoStringsCompute(s1, s2) {
+		return __TWO_STRINGS_YES__
+	}
+
+	return __TWO_STRINGS_NO__
+}
+
+func TwoStrings(s1 string, s2 string) string {
+	return twoStrings(s1, s2)
+}
diff --git a/exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/two_strings.testcases.json b/exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/two_strings.testcases.json
new file mode 100644
index 0000000..73d1dcf
--- /dev/null
+++ b/exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/two_strings.testcases.json
@@ -0,0 +1,20 @@
+[
+  {
+    "title": "Example 1",
+    "s1": "and",
+    "s2": "art",
+    "expected": "Yes"
+  },
+  {
+    "title": "Example 2",
+    "s1": "be",
+    "s2": "cat",
+    "expected": "No"
+  },
+  {
+    "title": "Sample Test Case 0",
+    "s1": "hello",
+    "s2": "world",
+    "expected": "Yes"
+  }
+]
diff --git a/exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/two_strings_test.go b/exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/two_strings_test.go
new file mode 100644
index 0000000..3ccd501
--- /dev/null
+++ b/exercises/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/two_strings_test.go
@@ -0,0 +1,43 @@
+package hackerrank
+
+import (
+	"fmt"
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"gon.cl/algorithms/utils"
+)
+
+type TwoStringsTestCase struct {
+	S1       string `json:"s1"`
+	S2       string `json:"s2"`
+	Expected string `json:"expected"`
+}
+
+var TwoStringsTestCases []TwoStringsTestCase
+
+// You can use testing.T, if you want to test the code without benchmarking
+func TwoStringsSetupSuite(t testing.TB) {
+	wd, _ := os.Getwd()
+	filepath := wd + "/two_strings.testcases.json"
+	t.Log("Setup test cases from JSON: ", filepath)
+
+	var _, err = utils.LoadJSON(filepath, &TwoStringsTestCases)
+	if err != nil {
+		t.Log(err)
+	}
+}
+
+func TestTwoStrings(t *testing.T) {
+
+	TwoStringsSetupSuite(t)
+
+	for _, tt := range TwoStringsTestCases {
+		testname := fmt.Sprintf("TwoStrings(%v, %v) => %v \n", tt.S1, tt.S2, tt.Expected)
+		t.Run(testname, func(t *testing.T) {
+			ans := TwoStrings(tt.S1, tt.S2)
+			assert.Equal(t, tt.Expected, ans)
+		})
+	}
+}