参数 c-要从中擦除的元素 pred-若应该擦除元素则对它返回true的谓词 复杂度 线性。 示例 本节未完成 原因:暂无示例 参阅 removeremove_if 移除满足特定判别标准的元素 (函数模板)
first, last-range of elements to remove key-key value of the elements to remove x-a value of any type that can be transparently compared with a key denoting the elements to remove Return value 1-3)Iterator following the last removed element. ...
void word_count_pro(std::unordered_map<std::string, int>& m){ std::string word; while (std::cin >> word){ for (auto& ch : word) ch = tolower(ch); word.erase(std::remove_if(word.begin(),word.end(),ispunct),word.end()); ++m[word]; } for (const auto& e : m) std:...
if (dentry_invalidate_cb && root->dir) { for (ceph::unordered_map<string, Dentry*>::iterator p = root->dir->dentries.begin(); for (auto p = root->dir->dentries.begin(); p != root->dir->dentries.end(); ++p) { if (p->second->inode) @@ -10208,7 +10202,7 @@ int Clien...
for(autoi=c.begin(), last=c.end();i!=last;){if(pred(*i))i=c.erase(i);else++i;} Parameters c-container from which to erase pred-predicate that determines which elements should be erased Complexity Linear. Example See also removeremove_if ...
remove_if remove_if std::array std::array::at std::array::back std::array::begin std::array::cbegin std::array::cend std::array::crbegin std::array::crend std::array::data std::array::empty std::array::end std::array::fill ...
问std::unordered_map中可能存在的错误ENvs低版本转高版本,std::getline报错,如下 提示 error C...
EN在 C++ 编程中,有时候我们需要在不进行拷贝的情况下传递引用,或者在需要引用的地方使用常量对象。为...
可能的输出: Original: {{5, e}{4, d}{3, c}{2, b}{1, a}} Erase items with odd keys: {{4, d}{2, b}} 参阅 removeremove_if 移除满足特定判别标准的元素 (函数模板)
顺便说一句,我仍然不相信这比编写transform_if更好。使用Niebler的range v3,应该可以编写类似于std::vector<int> arrKeys = theMap | view :: remove_if([&](auto const& p){return p.second!= value; })| view :: keys;的代码(未经测试) - dyp...