根据您提供的代码,我将替换GetWealth
函数并修改MaxWealthPath
和OutputMaxWealthPath
函数。请查看下面的修改后代码:
template<class DataType, class WeightType>
Status ALDirNetwork<DataType, WeightType>::GetWealth(int v, int& e) const { // 获取顶点v的财富值
if (v < 0 || v >= vexNum) { // 判断v是否越界
cout << "v取值不合法!" << endl; return FAILED;
}
e = vexsW[v];
return SUCCESS;
}
void MaxWealthPath(ALDirNetwork<char, int>& graph, int v0, int*& dist, int* path)
{
int infinity = graph.GetInfinity();
int v, u;
for (v = 0; v < graph.GetVexNum(); v++) { // 初始化dist数组和path数组
dist[v] = -infinity; // 初始化为负无穷大
path[v] = -1; // 初始化路径为-1
graph.SetVisitedTag(v, UNVISITED);
}
dist[v0] = 0; // 起点的财富值设置为0
for (int i = 1; i < graph.GetVexNum(); i++)
{
u = -1;
for (v = 0; v < graph.GetVexNum(); v++)
{
if (graph.GetVisitedTag(v) == UNVISITED && (u == -1 || dist[v] > dist[u]))
{
u = v;
}
}
if (u == -1) {
break; // 如果u仍然为-1,说明剩下的顶点都无法到达,跳出循环
}
graph.SetVisitedTag(u, VISITED);
for (v = graph.GetFirstAdjvex(u); v != -1; v = graph.GetNextAdjvex(u, v))
{
WeightType weight;
graph.GetWeight(u, v, weight);
if (graph.GetVisitedTag(v) == UNVISITED && dist[u] + weight > dist[v])
{
dist[v] = dist[u] + weight;
path[v] = u;
}
}
}
}
void OutputMaxWealthPath(ALDirNetwork<char, int>& graph, int v, int*& dist, int* path)
{
char vertex;
graph.GetElem(v, vertex);
int i = graph.GetVexNum() - 1;
if (i != v) {
char destVertex;
graph.GetElem(i, destVertex);
cout << endl;
cout << "The Max Wealth of the path between " << vertex << " and " << destVertex << " is: ";
// 输出路径
SqStack<int> stack;
int index = i;
while (path[index] != -1) {
stack.Push(index);
index = path[index];
}
std::cout << vertex;
while (!stack.IsEmpty()) {
char tmp;
int k;
stack.Pop(k);
graph.GetElem(k, tmp);
cout << " -> " << tmp;
}
cout << endl;
cout << "The Wealth is: " << dist[i] << endl;
}
}
希望这能对您有所帮助!如果还有其他问题,请随时提问。
内容由零声教学AI助手提供,问题来源于学员提问