Two's complement and big numbers

Questions 1 to 5 of 7

1. 1. What does C++ say happens when a signed integer such as int overflows?

   It throws an exceptionIt wraps around, the same as unsigned typesIt keeps the largest value of the typeIt is undefined behaviour, so the program may do anything
2. 2. What does this program print? ``cpp #include <cstdint> #include <iostream> int main() { std::uint8_t b = 200; b = static_cast<std::uint8_t>(b + 100); std::cout << static_cast<int>(b) << '\n'; } ``

   44300-560
3. 3. What is the name of the scheme for negative numbers in which the top bit of an 8-bit value stands for -128?

   Type your answer.

4. 4. On the lesson's 64-bit program, which value is printed for 21! as a std::uint64_t?

   5109094217170944000024329020081766400001419745402429033676818446744073709551615
5. 5. Roughly how much work does the multiply function in the lesson do for two digit containers with n and m digits?

   O(n + m)O(log n)O(1)O(n * m)