如何在堆上使用矢量分配矩阵 [英] how can to allocate a matrix using vector on the heap

问题描述

嘿，我想在堆上分配一个动态矩阵，似乎我做错了。
我试着做以下事情：
vector< vector< int *> > * distanceMatrix = new vector< vector< int *> > ;;

它在堆上分配一个矩阵，但矩阵本身为空，我想要矩阵为sizeXsize，但不能单独排序
尝试使用
向量< vector< Distance *> >感谢您的帮助

hey, i am trying to allocate a dynamic matrix on the heap and seems like i am doing something wrong. i try to do the following thing : vector< vector<int*> >* distancesMatrix=new vector< vector<int*> >;
it does allocate a matrix on the heap but the matrix itself is empty, i want the matrix to be sizeXsize but cant sort it alone when not trying to allocate it on the heap with using vector<vector<Distance*> > distance(size+1, vector<Distance*>(size+1, NULL)); thanks for your help

推荐答案

尝试 vector< vector< int> >（size，size）。

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