feat: added typing speed tester

Src/TypingSpeedTester/TypingSpeedTester.cpp

@@ -0,0 +1,73 @@
+#include <iostream>
+#include <string>
+#include <vector>
+#include <chrono>
+#include <iomanip>
+#include <cstdlib>
+#include <ctime>
+
+using namespace std;
+using namespace std::chrono;
+
+string getRandomSnippet() {
+    vector<string> snippets = {
+        "for(int i = 0; i < n; ++i) cout << arr[i] << ' ';",
+        "if(a > b) swap(a, b);",
+        "while(left <= right) mid = (left + right) / 2;",
+        "vector<int> nums = {1, 2, 3, 4, 5};",
+        "cout << \"Hello, World!\" << endl;"
+    };
+    srand((unsigned) time(0));
+    return snippets[rand() % snippets.size()];
+}
+
+int countMistakes(const string& original, const string& typed) {
+    int mistakes = 0;
+    int len=max(original.size(), typed.size());
+    for (int i = 0; i < len; ++i) {
+        if (i>=original.size()||i>=typed.size()||original[i]!=typed[i])
+            mistakes++;
+    }
+    return mistakes;
+}
+
+void showResults(const string& snippet, const string& typed, double duration) {
+    int totalChars=snippet.size();
+    int mistakes=countMistakes(snippet, typed);
+    double accuracy=((double)(totalChars - mistakes) / totalChars) * 100.0;
+
+    double minutes = duration/60.0;
+    double wpm = (typed.size()/5.0)/minutes;
+
+    cout << "\n\n========== RESULTS ==========\n";
+    cout << "Time Taken: " << fixed << setprecision(2) << duration << " seconds\n";
+    cout << "Mistakes: " << mistakes << "\n";
+    cout << "Accuracy: " << fixed << setprecision(2) << accuracy << "%\n";
+    cout << "Typing Speed: " << fixed << setprecision(2) << wpm << " WPM\n";
+    cout << "=============================\n\n";
+}
+
+int main() {
+    cout << "==============================\n";
+    cout << "    Code Typing Speed Tester\n";
+    cout << "==============================\n\n";
+
+    string snippet = getRandomSnippet();
+    cout << "Type the following code snippet exactly as shown:\n\n";
+    cout << "-> " << snippet << "\n\n";
+    cout << "Press ENTER when you’re done typing.\n\n";
+
+    cout << "Start typing below:\n> ";
+    auto start = high_resolution_clock::now();
+
+    string typed;
+    getline(cin, typed);
+
+    auto end = high_resolution_clock::now();
+    duration<double> diff = end - start;
+
+    showResults(snippet, typed, diff.count());
+
+    cout << "Thank you for using the Code Typing Speed Tester!\n";
+    return 0;
+}