제출 #1117260

#제출 시각아이디문제언어결과실행 시간메모리
1117260I_FloPPed21슈퍼트리 잇기 (IOI20_supertrees)C++14
11 / 100
130 ms27976 KiB
#include "supertrees.h"
#include <iostream>
#include <vector>

using namespace std;
const int N=1001;
vector<vector<int>>b;
int n,componente[N],cnt,root[N],modes[N][N];
bool viz[N];
void fa_dfs(int i)
{
    viz[i]=true;
    componente[i]=cnt;
    for(int j=0; j<n; j++)
    {
        if(viz[j]==true)
            continue;
        if(modes[i][j]==1)
        {
            b[i][j]=1;
            b[j][i]=1;
            fa_dfs(j);
        }
    }
}
int construct(vector<vector<int>>p)
{
    n=p.size();
    b.resize(n);
    for(int i=0;i<n;i++)
        b[i].resize(n);
    for(int i=0; i<n; i++)
        for(int j=0; j<n; j++)
            modes[i][j]=p[i][j];
    for(int i=0; i<n; i++)
    {
        if(viz[i]==false)
        {
            cnt++;
            viz[i]=true;
            componente[i]=cnt;
            fa_dfs(i);

        }
    }
    build(b);
    return 1;

}
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