Kali为C++安装igraph-526互联

# 编辑sources.list文件，更换镜像源
sudo nano /etc/apt/sources.list

# 改成如下内容，使用kali官方的镜像源。保存并退出。
deb http://http.kali.org/kali kali-rolling main non-free contrib

# 更新包列表
sudo apt-get update


# 搜索可用的版本：可以使用apt-cache search libigraph命令来查找可用的igraph相关的软件包。然后，根据搜索结果，你可以选择要安装的软件包。
apt-cache search libigraph

# 有这些
libigraph-dev - library for creating and manipulating graphs - development files
libigraph-doc - library for creating and manipulating graphs - reference manual
libigraph-examples - transitional package
libigraph3 - library for creating and manipulating graphs

# 我打算下载安装其中的libigraph3和libigraph-dev。其他你也可以安装一下。
sudo apt-get install libigraph3  --fix-missing
sudo apt-get install libigraph-dev  --fix-missing

# 检查是否安装成功
dpkg -l | grep igraph


# 查看g++版本
┌──(root?kali)-[~]
└─# g++ --version                                                                                                                                                     1 ⚙
g++ (Debian 10.2.1-6) 10.2.1 20210110
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


# 编译一个单文件ig.cpp
g++ -std=c++11 -Wall -O3 -I/usr/include/igraph -o ig ig.cpp -ligraph

//ig.cpp

#include<iostream>
#include<vector>
#include<set>
#include<algorithm>
#include<igraph.h>

using vect = std::vector<int>;

constexpr int MAXDIRECT=100;
constexpr int PRINTNODES=1;

std::set<int> avoid{};
igraph_t graph;
std::vector<vect> distance_vectors{};
int count;

int close_h(const vect &a, const vect &b ){
  // check one direction of the closeness condition
  for(auto i=a.begin(), j=b.begin(); i!=a.end(); i++,j++)
    if ( (*i > *j) || (*j > 2 * *i))
      return 0;
  return 1;
}

int close(const vect &a, const vect &b ){
  return close_h(a,b) || close_h(b,a);
}

vect distances(int n, int p, int t){
  vect res{};
  for (int i=0; i<n; ++i){
    int count = 0;
    for (int j=0; j<n; ++j)
      count += 1 & ((p>>j)^(t>>j));
    res.push_back(count);
    t >>= 1;
  }
  return res;
}

void print_vect( vect &v ){
  std::cout << "(";
  auto i=v.begin();
  std::cout << *i++;
  for( ; i!=v.end(); ++i)
    std::cout << "," << *i ;
  std::cout << ")\n";
}

void use_node( int n ){
  if(PRINTNODES)
    print_vect( distance_vectors[n] );
  ++count;
  avoid.insert( n );
  igraph_vector_t neighs;
  igraph_vector_init( &neighs, 0 );
  igraph_neighbors( &graph , &neighs, n, IGRAPH_OUT );
  for(int i=0; i<igraph_vector_size( &neighs ); ++i)
    avoid.insert( VECTOR(neighs)[i] );
  igraph_vector_destroy( &neighs );
}

void construct(int n){
  std::set<vect> dist_vects;
  for(int p=0; p>>n == 0; ++p)
    for(int t=0; t>>(2*n-2) == 0; ++t)   // sic! (because 0/1-symmetry)
      dist_vects.insert(distances(n,p,t));
  int nodes = dist_vects.size();
  std::cout << "distinct distance vectors: " << nodes << "\n";

  distance_vectors.clear();
  distance_vectors.reserve(nodes);
  std::copy(dist_vects.begin(), dist_vects.end(),
            back_inserter(distance_vectors));

  igraph_vector_t edges;
  igraph_vector_init( &edges, 0 );
  igraph_vector_t reversed;
  igraph_vector_init_seq( &reversed, 0, nodes-1 );
  for (int i=0; i<nodes-1; ++i){
    vect &x = distance_vectors[i];
    vect xr ( x.rbegin(), x.rend() );
    for(int j=i+1; j<nodes; ++j){
      vect &y = distance_vectors[j];
      if( xr==y ){
        VECTOR(reversed)[i] = j;
        VECTOR(reversed)[j] = i;
      }else if( close( x, y ) || close( xr, y) ){
        igraph_vector_push_back(&edges,i);
        igraph_vector_push_back(&edges,j);
      }
    }
  }
  std::cout << "edges: " << igraph_vector_size(&edges)/2 << "\n";

  igraph_create( &graph, &edges, nodes, IGRAPH_UNDIRECTED);
  igraph_vector_destroy( &edges );

  igraph_cattribute_VAN_setv( &graph, "r", &reversed );
  igraph_vector_destroy( &reversed );

  igraph_vector_t names;
  igraph_vector_init_seq( &names, 0, nodes-1 );
  igraph_cattribute_VAN_setv( &graph, "n", &names );
  igraph_vector_destroy( &names );

}

void max_independent( igraph_t *g ){
  igraph_vector_ptr_t livs;
  igraph_vector_ptr_init( &livs , 0 );
  igraph_largest_independent_vertex_sets( g, &livs );

  igraph_vector_t *nodes = (igraph_vector_t *) VECTOR(livs)[0];
  igraph_vector_t names;
  igraph_vector_init( &names, 0 );
  igraph_cattribute_VANV( g, "n", igraph_vss_vector( nodes ), &names );

  for(int i=0; i<igraph_vector_size(&names); ++i)
    use_node( VECTOR(names)[i] );
  igraph_vector_destroy( &names );
  igraph_vector_ptr_destroy_all( &livs );
}

void independent_comp( igraph_t *g );

void independent( igraph_t *g ){
  if(igraph_vcount( g ) < MAXDIRECT){
    max_independent( g );
    return;
  }
  igraph_vector_ptr_t components;
  igraph_vector_ptr_init( &components, 0 );
  igraph_decompose( g, &components, IGRAPH_WEAK, -1, 1);
  for(int i=0; i<igraph_vector_ptr_size( &components ); ++i)
    independent_comp( (igraph_t *) VECTOR(components)[i] );
  igraph_decompose_destroy( &components );
}

void independent_comp( igraph_t *g ){
  if (igraph_vcount( g ) < MAXDIRECT){
    max_independent( g );
    return;
  }
  igraph_vector_t degs;
  igraph_vector_init( &degs, 0 );
  igraph_degree( g, &degs, igraph_vss_all(), IGRAPH_OUT, 1 );
  int maxpos = igraph_vector_which_max( &degs );
  igraph_vector_destroy( &degs );  

  int name = igraph_cattribute_VAN( g, "n", maxpos );
  int revname = igraph_cattribute_VAN( g, "r", maxpos );
  int rev = -1;
  if(name!=revname){
    igraph_vector_ptr_t reversed_candidates_singleton;
    igraph_vector_ptr_init( &reversed_candidates_singleton, 0 );
    igraph_neighborhood( g, &reversed_candidates_singleton,
                         igraph_vss_1(maxpos), 2, IGRAPH_OUT );
    igraph_vector_t * reversed_candidates =
      (igraph_vector_t *) VECTOR(reversed_candidates_singleton)[0];
    igraph_vector_t names;
    igraph_vector_init( &names, 0 );
    igraph_cattribute_VANV( g, "n", igraph_vss_vector( reversed_candidates ),
                        &names );
    long int pos;
    igraph_vector_search( &names, 0, revname, &pos );
    rev = VECTOR(*reversed_candidates)[pos];
    igraph_vector_destroy( &names );
    igraph_vector_ptr_destroy( &reversed_candidates_singleton );
  }
  igraph_vs_t delnodes;
  igraph_vs_vector_small( &delnodes, maxpos, rev, -1 );
  igraph_delete_vertices( g, delnodes );
  igraph_vs_destroy( &delnodes );

  independent( g );
}

void handle(int n){
  std::cout << "n=" << n << "\n";
  avoid.clear();
  count = 0;
  construct( n );
  independent( &graph );
  // try all nodes again:
  for(int node=0; node<igraph_vcount( &graph ); ++node)
    if(avoid.count(node)==0)
      use_node(node);
  std::cout << "result: " << count << "\n\n";
  igraph_destroy( &graph );
}

int main(){
  igraph_i_set_attribute_table( &igraph_cattribute_table );
  for(int i=1; i<6; ++i)
    handle(i);
}

igraph

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