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Don't print error messages to cout, as that hurts reusability. I suggest changing the methods to return true on success and false on failure. The reason for the failure should be obvious enough to …

Try adding the following: #include <limits> #include <sstream> #include <stdexcept> int main() { constexpr unsigned max_odd = (std::numeric_limits<unsigned>::max() - 1) / 3; … for … { …

C++ code should be object-oriented. The make_block(…, …) and make_genesis_block() functions should be two-arg and no-arg constructors of the Block class.

#include <sstream> is superfluous. Morse is hard-coded to only emit its output to std::cout. It would be nice if cout were an overridable default. Your treatment of '\n' is incorrect, in my opinion …

You are not performing any percent encoding of parameter names or values, which would likely lead to breakage or even a security vulnerability if the you are given parameters that contain a special ch …

Looking at just your pairwiseSwap() function… there are too many special cases. Every iteration through the loop should verify that there are at least two more elements to process. You shouldn't nee …

The code is obviously wrong: your compiler should have warmed you that Resize() never uses its nSizeOld parameter.

I got the following output: Level 1: 5 Level 2: 2 8 Level 4: 4 7 10 Level 3: 1 3 6 9 Printing the layers in a non-deterministic order is probably undesirable behaviour. You used an u …

n is an unused variable. Your compiler should have warned you about it (and you should compile with warnings enabled). Declaring variables with auto and an unsigned integer literal is unconventional …

Preparing the vector of \$n\$ words takes \$O(n \log n)\$ time, because that is how long it takes to sort the words. Thereafter, each lookup takes \$O(\log n)\$ time for a binary search. (The times al …

Code organization main() does everything. It would be a good idea to separate the concerns, such that main() is responsible for I/O and for calling a function that determines the optimal partition. …

Part of the problem is that you call max_element() twice. If there are to be n elements in a list, of which d maxima are to be deleted, a naïve std::vector solution would take O(d n), with the time b …

Bugs You calculate the volume of the sphere incorrectly! Style You misspelled the variable bouyantForce. The constant waterBuoyancy is a misnomer. It should be waterDensity. There's not much poin …

You should separate the computation code from the input/output code. As you have written it, the factorial computation code will never be reusable in any other program. To be specific, you should defi …

You use C++-style input/output, but your design is fundamentally C. An idiomatic C++ solution would have a smart class rather than a dumb struct. Something like class FileStats { public: File …