わからなくて、調べたことを、随時、追記していきます。 1.std::vectorクラス C++の標準テンプレートライブラリ (STL) に含まれる動的配列を実現するためのクラス。 @tparam _Tp Type of element.（std::vector が格納する要素の型） @tparam _Alloc Allocator type, defaults to allocator<_Tp>.

It checks whether the string contains the specified sequence of char values. If yes then it returns true else false. It throws NullPointerException of ‘s’ is null. This method searches the specified ...

start : This is required. This is the numeric index used to start point of the sub string. end : This is optional parameter. This is numeric index used to stop the ...

This program finds the longest substring in a given string where no characters are repeated. The algorithm works by iterating through the string while dynamically maintaining and updating the longest ...