C++ PNGraph::GetNI方法代码示例

PNGraph GetEgonet(const PNGraph& Graph, const int CtrNId, int& InEdges, int& OutEdges) {
  PNGraph NewGraphPt = TNGraph::New();
  TNGraph& NewGraph = *NewGraphPt;
  NewGraph.AddNode(CtrNId);
  const TNGraph::TNodeI& CtrNode = Graph->GetNI(CtrNId);
  for (int i = 0; i < CtrNode.GetDeg(); ++i) {
    NewGraph.AddNode(CtrNode.GetNbrNId(i));
  }
  InEdges = 0;
  OutEdges = 0;
  for (int i = 0; i < CtrNode.GetDeg(); ++i) {
    int NbrNId = CtrNode.GetNbrNId(i);
    const TNGraph::TNodeI& NbrNode = Graph->GetNI(NbrNId);
    for (int j = 0; j < NbrNode.GetInDeg(); ++j) {
      int NbrNbrNId = NbrNode.GetInNId(j);
      if (NewGraph.IsNode(NbrNbrNId)) {
        NewGraph.AddEdge(NbrNbrNId, NbrNId);
      } else {
        InEdges++;
      }
    }
    for (int j = 0; j < NbrNode.GetOutDeg(); ++j) {
      int NbrNbrNId = NbrNode.GetOutNId(j);
      if (!NewGraph.IsNode(NbrNbrNId)) {
        OutEdges++;
      }
    }
  }
  return NewGraphPt;
}

bool CheckReciprocity(const PNGraph& G){
	for (int i = 0; i < G->GetNodes(); i++){
		if (G->GetNI(i).GetInDeg() != G->GetNI(i).GetOutDeg())
			return false;
	}
	return true;
}

void OnlyD3CEdges(PNGraph& dir_graph, PNGraph& d3c_graph, bool recip_edges) {
    // Add all of the nodes into the new graph
    for (TNGraph::TNodeI node = dir_graph->BegNI(); node < dir_graph->EndNI();
         node++) {
        int curr_node = node.GetId();
        d3c_graph->AddNode(curr_node);
    }
    for (TNGraph::TNodeI node = dir_graph->BegNI(); node < dir_graph->EndNI();
         node++) {
        int curr_node = node.GetId();
        auto curr_node_it = dir_graph->GetNI(curr_node);
        for (int out_edge = 0; out_edge < curr_node_it.GetOutDeg(); ++out_edge) {
            int out_node = curr_node_it.GetOutNId(out_edge);
            for (int in_edge = 0; in_edge < curr_node_it.GetInDeg(); ++in_edge) {
                int in_node = curr_node_it.GetInNId(in_edge);
		if (out_node == in_node && !recip_edges) { continue; }
                if (dir_graph->IsEdge(out_node, in_node) || recip_edges) {
                    if (!d3c_graph->IsEdge(out_node, in_node)) {
			d3c_graph->AddEdge(out_node, in_node);
		    }
                    if (!d3c_graph->IsEdge(in_node, curr_node)) {
			d3c_graph->AddEdge(in_node, curr_node);
		    }
                    if (!d3c_graph->IsEdge(curr_node, out_node)) {
			d3c_graph->AddEdge(curr_node, out_node);
		    }
                }
            }
        }
    }
#ifdef _VERBOSE_
    std::cout << "Original graph edge count: " << dir_graph->GetEdges() << std::endl
	      << "D3C graph edge count: " << d3c_graph->GetEdges() << std::endl;
#endif
}

void OnlyD3CEdgesNoBack(PNGraph& dir_graph, PNGraph& d3c_graph) {
    // Add all of the nodes into the new graph
    for (TNGraph::TNodeI node = dir_graph->BegNI(); node < dir_graph->EndNI();
         node++) {
        int curr_node = node.GetId();
        d3c_graph->AddNode(curr_node);
    }
    for (TNGraph::TNodeI node = dir_graph->BegNI(); node < dir_graph->EndNI();
         node++) {
        int curr_node = node.GetId();
        auto curr_node_it = dir_graph->GetNI(curr_node);
        for (int out_edge = 0; out_edge < curr_node_it.GetOutDeg(); ++out_edge) {
            int out_node = curr_node_it.GetOutNId(out_edge);
            for (int in_edge = 0; in_edge < curr_node_it.GetInDeg(); ++in_edge) {
                int in_node = curr_node_it.GetInNId(in_edge);
                if (dir_graph->IsEdge(out_node, in_node) && out_node != in_node) {
		    if (!d3c_graph->IsEdge(in_node, out_node) &&
			!d3c_graph->IsEdge(curr_node, in_node) &&
			!d3c_graph->IsEdge(out_node, curr_node)) {
			if (!d3c_graph->IsEdge(out_node, in_node)) { d3c_graph->AddEdge(out_node, in_node); }
			if (!d3c_graph->IsEdge(in_node, curr_node)) { d3c_graph->AddEdge(in_node, curr_node); }
			if (!d3c_graph->IsEdge(curr_node, out_node)) { d3c_graph->AddEdge(curr_node, out_node); }
		    }
                }
            }
        }
    }
}

int getNumOfIndependentPaths(const PNGraph& graph, int srcNodeID, int dstNodeID) {
	int ret = 0;
	while (true) {
		PNGraph bfsGraph = TSnap::GetBfsTree(graph, srcNodeID, true, false);
		if (!bfsGraph->IsNode(dstNodeID)) {
			return ret;
		}
		printf("%d hops\n", TSnap::GetShortPath(bfsGraph, srcNodeID, dstNodeID, true));

		// Go back from dstNode to src
		int itrNodeId = dstNodeID;
		while (itrNodeId != srcNodeID) {
			TNGraph::TNodeI curNode = bfsGraph->GetNI(itrNodeId);
			int parentNodeId = curNode.GetInNId(0);

			// Delete Edges
			// graph->DelEdge(parentNodeId, itrNodeId, true);
			// Delete Node
			if (itrNodeId != dstNodeID && itrNodeId != srcNodeID) {
				graph->DelNode(itrNodeId);
			}

			itrNodeId = parentNodeId;
		}
		++ret;
	}
}

// RenumberNodes ... Renumber node ids in the subgraph to 0...N-1
PNGraph GetSubGraph(const PNGraph& Graph, const TIntV& NIdV, const bool& RenumberNodes) {
    //if (! RenumberNodes) { return TSnap::GetSubGraph(Graph, NIdV); }
    PNGraph NewGraphPt = TNGraph::New();
    TNGraph& NewGraph = *NewGraphPt;
    NewGraph.Reserve(NIdV.Len(), -1);
    TIntSet NIdSet(NIdV.Len());
    for (int n = 0; n < NIdV.Len(); n++) {
        if (Graph->IsNode(NIdV[n])) {
            NIdSet.AddKey(NIdV[n]);
            if (! RenumberNodes) {
                NewGraph.AddNode(NIdV[n]);
            }
            else {
                NewGraph.AddNode(NIdSet.GetKeyId(NIdV[n]));
            }
        }
    }
    if (! RenumberNodes) {
        for (int n = 0; n < NIdSet.Len(); n++) {
            const int SrcNId = NIdSet[n];
            const TNGraph::TNodeI NI = Graph->GetNI(SrcNId);
            for (int edge = 0; edge < NI.GetOutDeg(); edge++) {
                const int OutNId = NI.GetOutNId(edge);
                if (NIdSet.IsKey(OutNId)) {
                    NewGraph.AddEdge(SrcNId, OutNId);
                }
            }
        }
    } else {
        for (int n = 0; n < NIdSet.Len(); n++) {
            const int SrcNId = NIdSet[n];
            const TNGraph::TNodeI NI = Graph->GetNI(SrcNId);
            for (int edge = 0; edge < NI.GetOutDeg(); edge++) {
                const int OutNId = NI.GetOutNId(edge);
                if (NIdSet.IsKey(OutNId)) {
                    NewGraph.AddEdge(NIdSet.GetKeyId(SrcNId), NIdSet.GetKeyId(OutNId));
                }
            }
        }
    }
    return NewGraphPt;
}

void plotParitialDegDistribution(const PNGraph& graph, std::vector<int>& nodeList) {
	std::map<int, int> inDegDistMap;
	std::map<int, int> outDegDistMap;
	
	for (int i = 0; i < nodeList.size(); ++i) {
		int curNodeId = nodeList[i];
		if (!graph->IsNode(curNodeId)) continue;
		TNGraph::TNodeI ni = graph->GetNI(curNodeId);

		int curNodeInDeg = ni.GetInDeg();
		if (inDegDistMap.find(curNodeInDeg) == inDegDistMap.end()) {
			inDegDistMap.insert(std::pair<int, int>(curNodeInDeg, 0));
		}
		inDegDistMap[curNodeInDeg]++;

		int curNodeOutDeg = ni.GetOutDeg();
		if (outDegDistMap.find(curNodeOutDeg) == outDegDistMap.end()) {
			outDegDistMap.insert(std::pair<int, int>(curNodeOutDeg, 0));
		}
		outDegDistMap[curNodeOutDeg]++;
		
	}
	
	TFltPrV inDegDist;
	for (std::map<int, int>::iterator itr = inDegDistMap.begin(); itr != inDegDistMap.end(); itr++) {
		inDegDist.Add(TFltPr(itr->first, itr->second));
	}

	TFltPrV outDegDist;
	for (std::map<int, int>::iterator itr = outDegDistMap.begin(); itr != outDegDistMap.end(); itr++) {
		outDegDist.Add(TFltPr(itr->first, itr->second));
	}
	
	TGnuPlot plot1("inDegDistParitial", "");
	plot1.AddPlot(inDegDist, gpwPoints, "");
	plot1.SetScale(gpsLog10XY);
	plot1.SavePng();

	TGnuPlot plot2("outDegDistParitial", "");
	plot2.AddPlot(outDegDist, gpwPoints, "");
	plot2.SetScale(gpsLog10XY);
	plot2.SavePng();

	TGnuPlot plot3("DegDistParitial", "");
	plot3.AddCmd("set key right top");
	plot3.AddPlot(inDegDist, gpwPoints, "In Degree");
	plot3.AddPlot(outDegDist, gpwPoints, "Out Degree");
	plot3.SetScale(gpsLog10XY);
	plot3.SavePng();
}

void TIncrementalClustering::KeepAtMostOneChildPerNode(PNGraph& G, TQuoteBase *QB, TDocBase *DB) {
  TIntSet::TIter EndNode = AffectedNodes.EndI();
  for (TIntSet::TIter NodeId = AffectedNodes.BegI(); NodeId < EndNode; NodeId++) {
    TNGraph::TNodeI Node = G->GetNI(NodeId.GetKey());
    TQuote SourceQuote;
    if (QB->GetQuote(Node.GetId(), SourceQuote)) {
      TInt NodeDegree = Node.GetOutDeg();
      if (NodeDegree > 1) {
        TFlt MaxScore = 0;
        TInt MaxNodeId = 0;
        TIntV NodeV;
        // first pass: check to see if we are pointing to any old nodes - if so, they get higher
        // priority over the new ones for edge selection.
        bool ContainsOldNode = false;
        for (int i = 0; i < NodeDegree; ++i) {
          if (!NewQuotes.IsKey(Node.GetOutNId(i))) {
            ContainsOldNode = true;
          }
        }
        // modified edge selection: filter out new nodes if old ones exist.
        for (int i = 0; i < NodeDegree; ++i) {
          TInt CurNode = Node.GetOutNId(i);
          NodeV.Add(CurNode);
          TQuote DestQuote;
          if (QB->GetQuote(CurNode, DestQuote)) {
            TFlt EdgeScore = 0;
            if (!ContainsOldNode || !NewQuotes.IsKey(Node.GetOutNId(i))) {
              EdgeScore = ComputeEdgeScore(SourceQuote, DestQuote, DB);
            }
            if (EdgeScore > MaxScore) {
              MaxScore = EdgeScore;
              MaxNodeId = CurNode;
            }
          }
        }

        // remove all other edges, backwards to prevent indexing fail
        for (int i = 0; i < NodeV.Len(); i++) {
          if (NodeV[i] != MaxNodeId) {
            G->DelEdge(Node.GetId(), NodeV[i]);
          }
        }
        //printf("Out degree: %d out of %d\n", Node.GetOutDeg(), NodeDegree.Val);
      }
    }
  }
  fprintf(stderr, "finished deleting edges\n");
}

void TGraphEnumUtils::GetIndGraph(const PNGraph &G, const TIntV &sg, PNGraph &indG) {
	//Add nodes
	for(int i=0; i<sg.Len(); i++) indG->AddNode(sg[i]);
	//Add edges
	for(int i=0; i<sg.Len(); i++) {
		int nId = sg[i];
		TNGraph::TNodeI nIt = G->GetNI(nId);
		//
		int deg = nIt.GetOutDeg();
		for(int j=0; j<deg; j++) {
			int dstId = nIt.GetNbrNId(j);
			if(nId == dstId) continue;
			//
			if(indG->IsNode(dstId)) indG->AddEdge(nId, dstId);
		}
	}
}

void getInNeighborNodeIDs(const PNGraph& graph, int destNodeID, std::set<int>& nodeIdSet) {
	std::queue<int> q;
	q.push(destNodeID);
	nodeIdSet.insert(destNodeID);
	for (int level = 0; level < 2; ++level) {
		int levelCount = q.size();
		for (int i = 0; i < levelCount; ++i) {
			int curNodeId = q.front();
			q.pop();
			// Scan neigbors;
			TNGraph::TNodeI curNode = graph->GetNI(curNodeId);
			int inDeg = curNode.GetInDeg();
			for (int j = 0; j < inDeg; ++j) {
				int curNeighborNodeID = curNode.GetInNId(j);
				q.push(curNeighborNodeID);
				nodeIdSet.insert(curNeighborNodeID);
			}
		}
	}
}

double TCascade::GetProb(const PNGraph& G) {
    double P = 0;
    for (int n = 0; n < Len(); n++) {
        const int DstNId = GetNode(n);
        const double DstTm = GetTm(DstNId);
        TNGraph::TNodeI NI = G->GetNI(DstNId);
        double MxProb = log(Eps);
        int BestParent = -1;
        for (int e = 0; e < NI.GetInDeg(); e++) {
            const int SrcNId = NI.GetInNId(e);
            if (IsNode(SrcNId) && GetTm(SrcNId) < DstTm) {
                const double Prob = log(TransProb(SrcNId, DstNId));
                if (MxProb < Prob) { MxProb = Prob;  BestParent = SrcNId; }
            }
        }
        NIdHitH.GetDat(DstNId).Parent = BestParent;
        P += MxProb;
    }
    
    return P;
}

int main(int argc, char* argv[]) {
 Env = TEnv(argc, argv, TNotify::StdNotify);
 Env.PrepArgs(TStr::Fmt("Inverse PageRank. Build: %s, %s. Time: %s", __TIME__, __DATE__, TExeTm::GetCurTm()));
 TExeTm ExeTm;
 Try
	const TStr Iput = Env.GetIfArgPrefixStr("-i:", "Input.txt", "Input File" );
	const TStr Oput = Env.GetIfArgPrefixStr("-o:", "Output.txt", "Output File");
	FILE* fpI = fopen(Iput.CStr(), "r");
	FILE* fpO = fopen(Oput.CStr(), "w");
	

	const double C    = 0.85;
	const int MaxIter = 50;
	const double Eps  = 1e-9;

	PNGraph Graph = TSnap::LoadEdgeList< PNGraph > (Iput);
	fprintf(fpO, "\nNodes: %d, Edges: %d\n\n", Graph->GetNodes(), Graph->GetEdges());
	const int NNodes = Graph->GetNodes();
	const double OneOver = (double) 1.0 / (double) NNodes;
	
	TIntFltH PRankH;
	PRankH.Gen(NNodes);
	
	for (TNGraph::TNodeI NI = Graph->BegNI(); NI < Graph->EndNI(); NI++)
    	PRankH.AddDat(NI.GetId(), OneOver);
    
    TFltV TmpV(NNodes);
	for (int iter = 0; iter < MaxIter; iter++) {
    	int j = 0;
    	for (TNGraph::TNodeI NI = Graph->BegNI(); NI < Graph->EndNI(); NI++, j++) {
			TmpV[j] = 0;
	        for (int e = 0; e < NI.GetOutDeg(); e++) {
				const int OutNId = NI.GetOutNId(e);
				const int InDeg = Graph->GetNI(OutNId).GetInDeg();
				if (InDeg > 0) 
					TmpV[j] += PRankH.GetDat(OutNId) / InDeg;
			}
			TmpV[j] =  C * TmpV[j]; 
    	}
    	
	for (int i = 0; i < PRankH.Len(); i++)
		PRankH[i] = TmpV[i];
    	/*
    	double diff = 0, sum = 0, NewVal;
		for (int i = 0; i < TmpV.Len(); i++)
			sum += TmpV[i];

		const double Leaked = (double) (1.0 - sum) / (double) NNodes;
		for (int i = 0; i < PRankH.Len(); i++) {
			NewVal = TmpV[i] + Leaked;
			diff += fabs(NewVal - PRankH[i]);
			PRankH[i] = NewVal;
		}
		if (diff < Eps)
			break;
		*/
	}
	
	fprintf(fpO, "Node ID\t\tInverse PageRank\n");
	for (TNGraph::TNodeI NI = Graph->BegNI(); NI < Graph->EndNI(); NI++){
		int Id = NI.GetId();
		double ipr = PRankH.GetDat(Id);
		fprintf(fpO, "%d\t\t\t%.5lf\n", Id, ipr);
	}
 Catch
	printf("\nRun Time: %s (%s)\n", ExeTm.GetTmStr(), TSecTm::GetCurTm().GetTmStr().CStr());
	
	return 0;
}

PNEANet KNNJaccardParallel(PNGraph Graph,int K) {
  PNEANet KNN = TNEANet::New();
  TIntV NIdV;
  Graph->GetNIdV (NIdV);
  int size = NIdV.Len();
  for (int ind = 0; ind < size; ind++) {
    KNN->AddNode(NIdV[ind]);
  }
  KNN->AddFltAttrE("sim");
  TVec<TVec<TPair<TFlt, TInt>, int >, int > TopKList;
  TVec<TVec<TPair<TFlt, TInt>, int >, int > ThTopK; // for each thread
  TIntV NodeList;
  TIntV ThNodeList;// for each thread
  int NumThreads = omp_get_max_threads();
  omp_set_num_threads(NumThreads);
  #pragma omp parallel private(ThNodeList, ThTopK)
  {
    TIntV* Neighbors_old = new TIntV();
    TIntV* Neighbors = new TIntV();
    TIntV* temp;

    #pragma omp for schedule(dynamic,1000)
    for (int ind = 0; ind < size; ind++) {
      TNGraph::TNodeI NI = Graph->GetNI(NIdV[ind]);
      if (NI.GetInDeg() > 0) {
        continue;
      }
      if (NI.GetOutDeg() == 0) {
        continue;
      }

      TVec<TPair<TFlt, TInt>, int > TopK;
      for (int i = 0; i < K; i++) {
          TopK.Add(TPair<TFlt,TInt>(0.0, -1));
      }

      Neighbors->Clr(false);
      Neighbors_old->Clr(false);

      for (int i = 0; i < NI.GetOutDeg(); i++) {
        TNGraph::TNodeI Inst_NI = Graph->GetNI(NI.GetOutNId(i));
        MergeNbrs(Neighbors, Neighbors_old, Inst_NI);

        temp = Neighbors_old;
        temp->Clr(false);
        Neighbors_old = Neighbors;
        Neighbors = temp;
      }

      // Swap neighbors and Neighbors_old

      temp = Neighbors_old;
      Neighbors_old = Neighbors;
      Neighbors = temp;
      for(int j = 0; j< Neighbors->Len(); j++) {

        TNGraph::TNodeI Auth_NI = Graph->GetNI((*Neighbors)[j]);

        float similarity = JaccardSim(NI, Auth_NI);
        if (TopK[K-1].GetVal1() < similarity) {
          int index = 0;
          for (int i = K-2; i >= 0; i--)
            if (TopK[i].GetVal1() < similarity) {
              TopK.SetVal(i+1, TopK[i]);
            } else {
              index = i+1;
              break;
            }
          TopK.SetVal(index, TPair<TFlt, TInt>(similarity, (*Neighbors)[j]));
        }
      }

      ThTopK.Add(TopK);
      ThNodeList.Add(NIdV[ind]);

//    if (ct%10000 == 0)
//    	cout<<ct<<" avg neighbor degree = "<<sum_neighbors*1.0/ct<<" "<<currentDateTime()<<endl;

    }
    #pragma omp critical
    {
      for (int j = 0; j < ThTopK.Len(); j++) {
        TopKList.Add(ThTopK[j]);
        NodeList.Add(ThNodeList[j]);
      }
    }
	}

  int size2 = NodeList.Len();
  for (int i= 0; i < size2 ; i++) {

    for (int j = 0; j < K; j++) {
      if (TopKList[i][j].GetVal2() <= -1) {
        break;
      }
      int EId = KNN->AddEdge(NodeList[i], TopKList[i][j].GetVal2());
      KNN->AddFltAttrDatE(EId, TopKList[i][j].GetVal1(), "sim");
    }
  }
  return KNN;
//.........这里部分代码省略.........

PNEANet KNNJaccard(PNGraph Graph, int K) {
  PNEANet KNN = TNEANet::New();

  int sum_neighbors = 0;
  int ct;
  int end;
  end = Graph->GetNodes();
  TIntV* Neighbors_old = new TIntV();
  TIntV* Neighbors = new TIntV();
  TIntV* temp;
  TIntV NIdV;
  Graph->GetNIdV (NIdV);
  int size = NIdV.Len();
  for (int ind = 0; ind < size; ind++) {
    KNN->AddNode(NIdV[ind]);
  }
  KNN->AddFltAttrE("sim");

  for (int ind = 0; ind < size; ind++) {
    TNGraph::TNodeI NI = Graph->GetNI(NIdV[ind]);
    if (NI.GetInDeg() > 0) {
      continue;
    }
    if (NI.GetOutDeg() == 0) {
      continue;
    }
    ct ++;

    TVec<TPair<TFlt, TInt> > TopK;
    for (int i = 0; i < K; i++) {
      TopK.Add(TPair<TFlt,TInt>(0.0, -1));
    }

    Neighbors->Clr(false);
    Neighbors_old->Clr(false);

    for (int i = 0; i < NI.GetOutDeg(); i++) {
      TNGraph::TNodeI Inst_NI = Graph->GetNI(NI.GetOutNId(i));
      MergeNbrs(Neighbors, Neighbors_old, Inst_NI);

      temp = Neighbors_old;
      temp->Clr(false);
      Neighbors_old = Neighbors;
      Neighbors = temp;
    }
    int num = Neighbors_old->Len();
    sum_neighbors += num;

    //Swap neighbors and Neighbors_old

    temp = Neighbors_old;
    Neighbors_old = Neighbors;
    Neighbors = temp;
    for (int j = 0; j< Neighbors->Len(); j++) {

      TNGraph::TNodeI Auth_NI = Graph->GetNI((*Neighbors)[j]);

      float similarity = JaccardSim(NI, Auth_NI);
      if (TopK[K-1].GetVal1() < similarity) {
        int index = 0;
        for (int i = K-2; i >= 0; i--)
          if (TopK[i].GetVal1() < similarity) {
            TopK.SetVal(i+1, TopK[i]);
          } else {
            index = i+1;
            break;
          }
        TopK.SetVal(index, TPair<TFlt, TInt>(similarity, (*Neighbors)[j]));
      }
    }

    for (int i = 0; i < K; i++) {
      int EId = KNN->AddEdge(NI.GetId(), TopK[i].GetVal2());
      KNN->AddFltAttrDatE(EId, TopK[i].GetVal1(), "sim");
    }

//    if (ct%10000 == 0)
//    	cout<<ct<<" avg neighbor degree = "<<sum_neighbors*1.0/ct<<" "<<currentDateTime()<<endl;

  }

  return KNN;
}

int main(int argc, char* argv[]) {
 Env = TEnv(argc, argv, TNotify::StdNotify);
 Env.PrepArgs(TStr::Fmt("Trust Rank. Build: %s, %s. Time: %s", __TIME__, __DATE__, TExeTm::GetCurTm()));
 TExeTm ExeTm;
 Try
	const TStr Gnod = Env.GetIfArgPrefixStr("-g:", "Gnode.txt", "Good Nodes");
	const TStr Bnod = Env.GetIfArgPrefixStr("-b:", "Bnode.txt", "Bad Nodes" );
	const TStr Iput = Env.GetIfArgPrefixStr("-i:", "Input.txt", "Input File");
	const TStr Oput = Env.GetIfArgPrefixStr("-o:", "Output.txt", "Output File");
	const double C	  = 0.85;
	const int MaxIter = 50;
	const double Eps  = 1e-9;
	
	FILE* fpO = fopen(Oput.CStr(), "w");
	
	PNGraph Graph = TSnap::LoadEdgeList< PNGraph > (Iput);
	fprintf(fpO, "\nNodes: %d, Edges: %d\n\n", Graph->GetNodes(), Graph->GetEdges());
	const int NNodes = Graph->GetNodes();
	TIntFltH TRankH;
	TRankH.Gen(NNodes);
	int maxNId = 0, NId = 0, ret = 0;
	for (TNGraph::TNodeI NI = Graph->BegNI(); NI < Graph->EndNI(); NI++)
		maxNId = max(maxNId, NI.GetId());
	
	TFltV initialTrustScore(maxNId + 1);
	for (int i = 0; i < initialTrustScore.Len(); i++)
		initialTrustScore[i] = 0.5;

	FILE* fpI = fopen(Gnod.CStr(), "r");
	while (true) {
		ret = fscanf(fpI, "%d", &NId);
		if (ret == EOF) break;
		if (Graph->IsNode(NId))
			initialTrustScore[NId] = 1.0;
	}
	fclose(fpI);
	
	fpI = fopen(Bnod.CStr(), "r");
	while (true) {
		ret = fscanf(fpI, "%d", &NId);
		if (ret == EOF) break;
		if (Graph->IsNode(NId))
			initialTrustScore[NId] = 0.0;
	}
	fclose(fpI);

	double Tot = 0.0;
	for(int i = 0; i < initialTrustScore.Len(); i++)
		Tot += initialTrustScore[i];
	for(int i = 0; i < initialTrustScore.Len(); i++)
		initialTrustScore[i] /= Tot;
	
	for (TNGraph::TNodeI NI = Graph->BegNI(); NI < Graph->EndNI(); NI++)
		TRankH.AddDat( NI.GetId(), initialTrustScore[NI.GetId()] );
	
	TFltV TmpV(NNodes);
	for (int iter = 0; iter < MaxIter; iter++) {
		int j = 0;
		for (TNGraph::TNodeI NI = Graph->BegNI(); NI < Graph->EndNI(); NI++, j++) {
			TmpV[j] = 0;
			for (int e = 0; e < NI.GetOutDeg(); e++) {
				const int OutNId = NI.GetOutNId(e);
				const int InDeg  = Graph->GetNI(InNId).GetInDeg();
				if (InDeg > 0) 
					TmpV[j] += (double) TRankH.GetDat(OutNId) / (double) InDeg; 
        	}
			TmpV[j] =  C * TmpV[j] + (1.0 - C) * initialTrustScore[NI.GetId()]; 
		}

		for (int i = 0; i < TRankH.Len(); i++) 
			TRankH[i] = TmpV[i];
	}
	
	fprintf(fpO, "Node ID\t\tTrustRank\n");
	for (TNGraph::TNodeI NI = Graph->BegNI(); NI < Graph->EndNI(); NI++){
		int Id = NI.GetId();
		double tr = TRankH.GetDat(Id);
		fprintf(fpO, "%d\t\t\t%.5lf\n", Id, tr);
	}
	fclose(fpO);
	
 Catch
	printf("\nRun Time: %s (%s)\n", ExeTm.GetTmStr(), TSecTm::GetCurTm().GetTmStr().CStr());
	
	return 0;
}