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Support Ukraine questions

What is the use of first template parameter in priority_queue

Support Ukraine answers

How does the bit layout of the floats give me certain values after bit shifting?
What is the reason to initialize or assign an empty string literal to a pointer to char in C, or a pointer to const char in C++?
How to make sorting function simpler (or shorter)
What does this variable point with regard to malloc?
proper use of scanf in a while loop to validate input
Sorting a list of Strings in Alphabetical order (C)
Programme works but says "warning: integer constant is so large that it is unsigned", solution?
Allocate record with variable at negative offset
Display bit pattern of double as hex?
C4477 - format string '%s' requires type 'char *', but variadic argument 1 has type 'int'