initial commit

C++/lesson3/task3.cpp

@@ -0,0 +1,20 @@
+#include <iostream>
+
+int main() {
+    int n;
+    std::cin >> n;
+
+    int* nums = new int[n];
+    for (int i = 0; i < n; i++) {
+        std::cin >> nums[i];
+    }
+
+    int sum = 0;
+
+    for (int i = 0; i < n; i++) {
+        sum += nums[i];
+    }
+
+    std::cout << sum << '\n';
+    delete[] nums;
+}