[Hacker Rank]: Warmup: Solve Me Firs. Solved ✅

docs/hackerrank/warmup/solveMeFirst.md

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+# [Solve Me First](https://www.hackerrank.com/challenges/solve-me-first)
+
+Difficulty: #easy
+Category: #warmup
+
+Complete the function solveMeFirst to compute the sum of two integers.
+
+## Example
+
+$ a = 7 $ \
+$ b = 3 $
+
+Return 10.
+
+## Function Description
+
+Complete the solveMeFirst function in the editor below.
+solveMeFirst has the following parameters:
+
+- int a: the first value
+- int b: the second value
+
+## Constraints
+
+$ 1 \leq a, b \leq 1000 $
+
+## Sample Input
+
+```text
+a = 2
+b = 3
+```
+
+## Sample Output
+
+```text
+5
+```
+
+## Explanation
+
+```text
+2 + 3 = 5
+```

src/lib/exercises/include/exercises/hackerrank/warmup/solve_me_first.h

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+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int HACKERRANK_WARMUP_solveMeFirst(int a, int b);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif

src/lib/exercises/src/hackerrank/warmup/solve_me_first.c

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+#include <exercises/hackerrank/warmup/solve_me_first.h>
+
+/**
+ * @link Problem definition [[docs/hackerrank/warmup/solveMeFirst.md]]
+ */
+
+int HACKERRANK_WARMUP_solveMeFirst(int a, int b) { return a + b; }

src/tests/unit/lib/hackerrank/warmup/solve_me_first.test.cpp

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+#include <catch2/catch_test_macros.hpp>
+
+#include <exercises/hackerrank/warmup/solve_me_first.h>
+#include <filesystem>
+#include <fstream>
+#include <nlohmann/json.hpp>
+#include <vector>
+
+using json = nlohmann::json;
+
+TEST_CASE("solveMeFirst JSON Test Cases",
+          "[hackerrank] [jsontestcase] [warmup]") {
+  std::filesystem::path cwd = std::filesystem::current_path();
+  std::string path =
+      cwd.string() +
+      "/unit/lib/hackerrank/warmup/solve_me_first.testcases.json";
+
+  INFO("solveMeFirst JSON test cases FILE: " << path);
+
+  std::ifstream f(path);
+  json data = json::parse(f);
+
+  for (auto testcase : data) {
+    int result = HACKERRANK_WARMUP_solveMeFirst(testcase["a"], testcase["b"]);
+    CHECK(result == testcase["expected"]);
+  }
+}

src/tests/unit/lib/hackerrank/warmup/solve_me_first.testcases.json

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+[
+  { "a": 0, "b": 0, "expected": 0 },
+  { "a": 2, "b": 3, "expected": 5 },
+  { "a": 0, "b": 7, "expected": 7 },
+  { "a": 7, "b": 0, "expected": 7 },
+  { "a": 7, "b": 7, "expected": 14 }
+]