聲明向量圖的錯誤

Question

我試圖聲明向量圖，但它給出了一個錯誤。

我的代碼：

int main() { 

    map <int, vector<int> > ele; 

return 0; 
} 

錯誤：

In function `__gnu_cxx::new_allocator<std::_Rb_tree_node<std::pair<int const, std::vector<int, std::allocator<int> > > > >::deallocate(std::_Rb_tree_node<std::pair<int const, std::vector<int, std::allocator<int> > > >*, unsigned int)': 
q2.cpp:(.text._ZN9__gnu_cxx13new_allocatorISt13_Rb_tree_nodeISt4pairIKiSt6vectorIiSaIiEEEEE10deallocateEPS8_j[__gnu_cxx::new_allocator<std::_Rb_tree_node<std::pair<int const, std::vector<int, std::allocator<int> > > > >::deallocate(std::_Rb_tree_node<std::pair<int const, std::vector<int, std::allocator<int> > > >*, unsigned int)]+0xd): undefined reference to `operator delete(void*)' 
/tmp/ccjbk0JX.o: In function `__gnu_cxx::new_allocator<int>::deallocate(int*, unsigned int)': 
q2.cpp:(.text._ZN9__gnu_cxx13new_allocatorIiE10deallocateEPij[__gnu_cxx::new_allocator<int>::deallocate(int*, unsigned int)]+0xd): undefined reference to `operator delete(void*)' 
/tmp/ccjbk0JX.o:(.eh_frame+0x12): undefined reference to `__gxx_personality_v0' 
/tmp/ccjbk0JX.o:(.eh_frame+0xa7): undefined reference to `__gxx_personality_v0' 
collect2: ld returned 1 exit status 

我無法理解這樣的錯誤。 請幫忙。

Answer 1

當您嘗試使用gcc編譯C++代碼時，通常會出現此錯誤，請嘗試使用g ++。 如果仍然失敗，請嘗試傳遞-lstdC++（例如，g ++ main.c -lstdC++）。