stl

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Are there versions of the C++ STL's associative data structures optimized for numerous partial copies?

I have a large tree that grows as my algorithm progresses.Each node contains set, which I suppose is implemented as balanced binary search tree.Each node\'s set shall remain fixed after that node\'s c[详细]

2023-04-10 08:36 分类：问答
Android NDK build script ignoring main makefile

I\'ve got Application.mk file which is ignored by ndk-build for some reason. What i\'ve got in it: APP_PROJECT_PATH := $(call my-dir)[详细]

2023-04-10 05:51 分类：问答
C++ stream polymorphy on stack?

I would like to do something like this: std::wistream input = std::wifstream(text); if (!input) input = std::wistringstream(text);[详细]

2023-04-10 04:05 分类：问答
sort vector of struct element

i am trying tosort vectorof struct\'s elements,but i can\'t constructvector itself here is code #include <string>[详细]

2023-04-09 22:07 分类：问答
Associative Container as Function Template Parameter

I would like to know how I would write a function that can 开发者_运维知识库accept as a parameter an associative container that itself accepts two or more template parameters. For example, if I want t[详细]

2023-04-09 18:14 分类：问答
why should i use back_inserter in function generate_n?

hi guys i will show three codes 1 and 2 makes s开发者_运维技巧ame work but the third one doesnt work. I want to understand why doesnt work or why do work the other two ? (strrand function produces ran[详细]

2023-04-09 17:05 分类：问答
Stringstream not working with doubles when _GLIBCXX_DEBUG enabled

I\'m using _GLIBCXX_DEBUG mode to help find errors in my code but I\'m having a problem which I think is an error in the library, but hopefully someone can tell me I\'m just doing something wrong.Here[详细]

2023-04-09 16:34 分类：问答
error accessing elements of array of std::pair

I have defined an array of pairs as following: std::pair<int,int> delta[4]; delta[0] = std::make_pair(0,1);[详细]

2023-04-09 10:17 分类：问答
Custom allocator fails to rebind to Other type

All I have code for my custom allocator that is written with intent to be a proxy for other allocators to be able for example to gather allocation statistics or whatever else[详细]

2023-04-09 06:45 分类：问答
STL algorithm to delete all the objects in a container?

Is there a STL utility/algorithm to do delete *the_object_iterator; on all the objects? So that I can clear() safely? The STL container is a set and the objects are pointers to C++ classes created wit[详细]

2023-04-09 04:31 分类：问答