Cod sursa(job #1818203)
Utilizator | Data | 28 noiembrie 2016 21:43:50 | |
---|---|---|---|
Problema | Parcurgere DFS - componente conexe | Scor | 0 |
Compilator | c | Status | done |
Runda | Arhiva educationala | Marime | 0.62 kb |
#include <fstream>
#include <vector>
#define NMAX 1001
using namespace std;
ifstream fin("dfs.in");
ofstream fout("dfs.out");
int n,i;
vector< vector<int> >v(NMAX);
vector<bool> viz(NMAX);
void dfs(int x)
{
viz[x]=true;
for(i=0;i<v[x].size();i++)
if(!viz[v[x][i]]) dfs(v[x][i]);
}
int main()
{
int m,x,y,nrc=0;
fin>>n>>m;
for(i=0;i<m;i++)
{
fin>>x>>y;
v[x].push_back(y);
v[y].push_back(x);
for(i=1;i<=n;i++)
if(!viz[i])
{
++nrc;
dfs(i);
}
}
fin.close();
fout.close();
return 0;
}