From 9948d80ffa4315e809690d69342ac7953d21371e Mon Sep 17 00:00:00 2001
From: Radoslaw Marcinowski <rm92.git@gmail.com>
Date: Mon, 26 May 2025 14:20:57 +0200
Subject: [PATCH] Initial implementation of calculate()

---
 homework/calculate/calculate.hpp | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/homework/calculate/calculate.hpp b/homework/calculate/calculate.hpp
index 7a933a25..924ccc38 100644
--- a/homework/calculate/calculate.hpp
+++ b/homework/calculate/calculate.hpp
@@ -2,6 +2,19 @@
 #include <string>
 
 std::string calculate(const std::string& command, int first, int second) {
-    // TODO: Implement your solution here and return proper value
-    return "";
+    if (0 == command.compare("add")) {
+        return std::to_string(first + second);
+    } else if (0 == command.compare("subtract")) {
+        return std::to_string(first - second);
+    } else if (0 == command.compare("multiply")) {
+        return std::to_string(first * second);
+    } else if (0 == command.compare("divide")) {
+        if (0 != second) {
+            return std::to_string(first / second);
+        } else {
+            return "Division by 0";
+        }
+    } else {
+        return "Invalid data";
+    }
 }