Select topics to narrow your question pool, then enable Random to jump to a random question matching your filters.

C++ Quiz #135

Which Call Throws

easyExceptions

doubled throws for a negative number. What is printed?

📄 Code

1#include <iostream>
2#include <stdexcept>
3 
4int doubled(int n) {
5    if (n < 0) {
6        throw std::invalid_argument("negative");
7    }
8    return n * 2;
9}
10 
11int main() {
12    try {
13        std::cout << doubled(3) << "\n";
14        std::cout << doubled(-1) << "\n";
15        std::cout << doubled(5) << "\n";
16    } catch (const std::invalid_argument& e) {
17        std::cout << "stopped: " << e.what() << "\n";
18    }
19    return 0;
20}