From 9b9d50eca7dbbe6cbf0dd0b1c5dcca77195ffeeb Mon Sep 17 00:00:00 2001
From: schlumphi <j.zarzycki777@gmail.com>
Date: Tue, 3 Feb 2026 21:14:14 +0100
Subject: [PATCH 1/2] feat: calculator

---
 homework/calculate/calculate.hpp | 34 ++++++++++++++++++++++++++++++--
 1 file changed, 32 insertions(+), 2 deletions(-)

diff --git a/homework/calculate/calculate.hpp b/homework/calculate/calculate.hpp
index 7a933a25..1ab8d0ec 100644
--- a/homework/calculate/calculate.hpp
+++ b/homework/calculate/calculate.hpp
@@ -1,7 +1,37 @@
 #pragma once
 #include <string>
 
+auto add(const int lhs, const int rhs) -> std::string {
+    return std::to_string(lhs + rhs);
+}
+
+auto subtract(const int lhs, const int rhs) -> std::string {
+    return std::to_string(lhs - rhs);
+}
+
+auto multiply(const int lhs, const int rhs) -> std::string {
+    return std::to_string(lhs * rhs);
+}
+
+auto divide(const int lhs, const int rhs) -> std::string {
+    if (rhs != 0) {
+        return std::to_string(lhs / rhs);
+    }
+    return "Division by 0";
+}
+
 std::string calculate(const std::string& command, int first, int second) {
-    // TODO: Implement your solution here and return proper value
-    return "";
+    if (command == "add") {
+        return add(first, second);
+    }
+    else if (command == "subtract") {
+        return subtract(first, second);
+    }
+    else if (command == "multiply") {
+        return multiply(first, second);
+    }
+    else if (command == "divide") {
+        return divide(first, second);
+    }
+    return "Invalid data";
 }

From 6cdc8f9e381ad11360d74b5f374add5fc6b1e128 Mon Sep 17 00:00:00 2001
From: schlumphi <j.zarzycki777@gmail.com>
Date: Tue, 3 Feb 2026 21:25:28 +0100
Subject: [PATCH 2/2] style: changed code formatting

---
 homework/calculate/calculate.hpp | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/homework/calculate/calculate.hpp b/homework/calculate/calculate.hpp
index 1ab8d0ec..cb7e7877 100644
--- a/homework/calculate/calculate.hpp
+++ b/homework/calculate/calculate.hpp
@@ -23,14 +23,11 @@ auto divide(const int lhs, const int rhs) -> std::string {
 std::string calculate(const std::string& command, int first, int second) {
     if (command == "add") {
         return add(first, second);
-    }
-    else if (command == "subtract") {
+    } else if (command == "subtract") {
         return subtract(first, second);
-    }
-    else if (command == "multiply") {
+    } else if (command == "multiply") {
         return multiply(first, second);
-    }
-    else if (command == "divide") {
+    } else if (command == "divide") {
         return divide(first, second);
     }
     return "Invalid data";