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Беляков Леонид lab4 #60

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Беляков Леонид lab4 #60

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Binary file added ConsoleApplication1/.vs/ConsoleApplication1/v14/.suo
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Binary file added ConsoleApplication1/ConsoleApplication1.VC.db
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28 changes: 28 additions & 0 deletions ConsoleApplication1/ConsoleApplication1.sln
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Microsoft Visual Studio Solution File, Format Version 12.00
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80 changes: 80 additions & 0 deletions ConsoleApplication1/ConsoleApplication1/Algorithm.h
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#ifndef ALGORITHM_H
#define ALGORITHM_H



#include "Priority_Queue.h"
#include "D_Heap.h"
#include "Graph.h"

using namespace std;

template <class KeyType>
class Algorithm
{
public:
static KeyType* Dijkstra(int, KeyType *&, Graph<KeyType>*&);
};



template <class KeyType>
KeyType* Algorithm<KeyType>::Dijkstra(int s, KeyType *&P, Graph<KeyType>*& gr)
{
int n = gr->GetCount();
int m = gr->GetEdgeSize();
KeyType **graph = new KeyType*[n];
for (int i = 0; i < n; i++)
graph[i] = new KeyType[n];
for (int i = 0; i < n; i++)
for (int j = 0; j < n; j++)
graph[i][j] = -1;
for (int i = 0; i < n; i++)
for (int j = 0; j < m; j++)
{
if (gr->GetEdge(j)->from == i)
graph[gr->GetEdge(j)->to][gr->GetEdge(j)->from] = gr->GetEdge(j)->weight;
if (gr->GetEdge(j)->to == i)
graph[gr->GetEdge(j)->from][gr->GetEdge(j)->to] = gr->GetEdge(j)->weight;

}

KeyType *distance = new KeyType[n];
int *vis = new int[n];
for (int i = 0; i < n; i++)
vis[i] = -1;
vis[0] = s;
int w, min;
for (int i = 0; i < n; i++)
{
if (graph[s][i] == -1)
distance[i] = max_heap;
else distance[i] = graph[s][i];
}
for (int i = 1; i < n - 1; i++)
{
min = max_heap;
for (int k = 0; k < n; k++) {
if (distance[k] < min && k != s && !gr->Scan(k, vis))
{
w = k;
min = distance[k];
}
}
if (min == max_heap)
break;
vis[i] = w;
for (int j = 1; j < n + 1; j++)
{
if (!gr->Scan(j, vis) && graph[w][j] != -1 && (distance[w] + graph[w][j]) <= distance[j])
{
P[j] = w;
distance[j] = distance[w] + graph[w][j];
}
}
}

distance[s] = 0;
return distance;
}
#endif
159 changes: 159 additions & 0 deletions ConsoleApplication1/ConsoleApplication1/ConsoleApplication1.vcxproj
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36 changes: 36 additions & 0 deletions ConsoleApplication1/ConsoleApplication1/ConsoleApplication1.vcxproj.filters
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