initial commit

C++/lesson2/task9.cpp

@@ -0,0 +1,23 @@
+#include <iostream>
+
+int main() {
+    unsigned int sum = 0;
+    while (true) {
+        int num;
+        std::cin >> num;
+        if (num == 0) {
+            break;
+        }
+        if (num < 0) {
+            std::cout << "You are a bad person!\n";
+            return 0;
+        }
+        sum += num;
+    }
+    if (sum > 1000) {
+        sum += sum * 2 / 10;
+    } else if (sum < 500) {
+        sum -= sum / 10;
+    }
+    std::cout << sum << '\n';
+}