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'Overall PC security app' is pretty vague and could cover many things.

Can you be a bit more specific as to what you are wanting to achieve?

If you know VB6, then you might be interested in...

[ moved ]

So what's wrong with the responses you're received on VBforums? They have way more members who could help with VB than on this forum...

For VB, the codeguru sister site VBforums as you found out when you also posted the question there and received replies that did indeed include code...

[Now asked on VB sister site https://www.vbforums.com/showthread.php?897187-find-jpg-files ]

std::bit_width() requires an unsigned type for argument.

"This overload participates in overload resolution only if T is an unsigned integer type (that is, unsigned char, unsigned short, unsigned...

Then just do it as a simple lookup-table. You don't need A - just B with 64 elements.

x5, x5, x5, x5, x5, x5, x5, x4, x4, x4, x4, x4, x4, x4 ,x4.....

etc. Then just check that index is within...

What are the sizes of A and B?

If they are just values from 1 to 64 even in production, then a simple table lookup using an array of size 64 with each element the required x value. If the given...

Is something like this what you are after? I'm not sure what type x1 - x5 are so I've just made them literals.



#include <iostream>
#include <vector>
#include <iterator>

int main() {...

Sorry, but I'm not understanding. Perhaps you could provide an example of A and B and what is expected from the function.

For the C++ in-built intrinsic types see:
https://en.cppreference.com/w/cpp/language/types

Which language(s) may be suitable for which projects can depend upon the project and existing...

Well excluding "format.h", those headers compile fine for me with VS2022.

But without seeing the code that gives the compiler errors...

This test code compiles OK with the given header:


...

For a summary article re the new features in C++23 see:
https://github.com/steve-downey/papers/blob/master/wg21-status.org

The best on-line free resource to learn C++ is https://www.learncpp.com/

For a book, IMO the best to learn from is Ivor Horton's Beginning C++: From Novice To Professional...

Sorry my bad - I blame not enough coffee! When I was going through the original code I misread one line and used 8 instead of v.size() - 1.

I've also changed in main re detecting no move possible...

As an example of using std::unordered_set consider:



#include <iostream>
#include <unordered_set>

struct Pos {
int i {};
int j {};

You need to maintain a container of already visited locations. I'd suggest a std::unordered_set

https://cplusplus.com/reference/unordered_set/unordered_set/

insert only works if the value to be...

Then you need to use the debugger to trace through the code to see where is the issue.

When I ran the code, I was getting -ve values for moved to in disp().



Moved to (11,1)

Total moves :...

There are various issues with variables being defined at global or function level and then at local scope level.

As a start, this revised c++ code compiles cleanly. If it now doesn't work as...

The original question was



When signed/unsigned operations are mixed, the signed will always be 'promoted' to unsigned. Then the operation is performed. This automatic promotion is often...

[also asked here https://cplusplus.com/forum/windows/283922/ ]

Just trying to help... Some aspects of C++ can be confusing/bewildering (add your own adjective!).

... but that would require the OP to actually do some work as opposed to being spoon-fed!

Several of the std::algorithm functions work in the same way. eg sort()

It depends upon how the program has been coded. If it is coded as a multi-threaded program, then the number of threads used is dependent upon how the program uses threads. It might be coded to just...