vector erase by index
You don't need the typedef struct _person preamble, that's a C-ism. struct person unsigned long id; std::string name; unsigned long age; }.,You could use the erase function. For this specific case you mention something like this: myvector.erase (myvector.begin()+3); myvector.erase ...
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 vector erase by index 相關參考資料
c++ - How do I erase an element from std::vector<> by index ...
The erase method on std::vector is overloaded, so it's probably clearer to call vec.erase(vec.begin() + index);. when you only want to erase a single element. https://stackoverflow.com Cannot erase item by index from C++ vector - Stack Overflow
You don't need the typedef struct _person preamble, that's a C-ism. struct person unsigned long id; std::string name; unsigned long age; }. https://stackoverflow.com Delete from specific indexes in a std::vector - Stack Overflow
You could use the erase function. For this specific case you mention something like this: myvector.erase (myvector.begin()+3); myvector.erase ... https://stackoverflow.com Erasing elements in stl::vector by using indexes - Stack Overflow
I think it could be more efficient, if you just just sort your indices and then delete those elements from your vector from the highest to the lowest. Deleting the ... https://stackoverflow.com How do I erase an element from std::vector<> by index? - Stack ...
To delete a single element, you could do: std::vector<int> vec; vec.push_back(6); vec.push_back(-17); vec.push_back(12); // Deletes the ... https://stackoverflow.com How to delete items from a std::vector given a list of indices ...
I would go for 1/3, that is: order the indices vector, create two iterators into the data vector, one for reading and one for writting. Initialize the ... https://stackoverflow.com Remove ith item from a C++ std::vector - Stack Overflow
pList.erase(pList.begin()+i);. To remove element with index i. https://stackoverflow.com vector erase() and clear() in C++ - GeeksforGeeks
clear() function is used to remove all the elements of the vector container, thus making it size 0. Syntax : vectorname.clear() Parameters : No parameters are ... https://www.geeksforgeeks.org vector::erase - C++ Reference - Cplusplus.com
Erase elements. Removes from the vector either a single element (position) or a range of elements ([first,last)). This effectively reduces the container size by the ... http://www.cplusplus.com [C++] STL 容器(二) - Iterator · Larry
如果只是要印出vector 用vec[index] 就可以了但不是每個STL ... 2, 3, 4, 5, 100, 100, 100] vec.erase(vec.begin()); // 移除最後一個元素-> [1, 2, 3, 4, ... https://larry850806.github.io |