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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
UPD:
next( &c )
is a valid address for dereference. There will be a data character or a null-terminator.basic_string
is implemented as:[ size_t __cap_ ][ size_t __size_ ][ char* __data_ (ends with \0) ]
right?
a + b * c <= a * c + b * c
a * b + c <= a * b + a * c