我有一个程序需要找到最短路径(Dijkstra算法),我决定使用指向结构体的指针数组,但是我一直收到如下错误:
在函数
‘void insertNode(Node**, int)’
中:
TDA.cpp:14: 错误:无法将赋值中的‘Node**’
转换为‘int*’
这是我的代码:
struct Node{int distance, newDistance;};
int *pointerArray[20];
void insertNode(Node **n, int i)
{
pointerArray[i] = &(*n);
}
Node *createNode(int localDistance)
{
Node *newNode;
newNode = new Node;
newNode->distance = localDistance;
newNode->newDistance = 0;
return newNode;
}
int main()
{
Node *n;
int random_dist = 0;
int i;
for(i=0; i<20; i++)
{
if (i==0)
{
n = createNode(0);
cout << n->distance << " distance " << i << endl;
}
else
{
random_dist = rand()%20 + 1;
n = createNode(random_dist);
cout << n->distance << " distance " << i << endl;
insertNode(&n, i);
}
}
return 0;
}
我做错了什么?