제출 #1263058

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1263058		nerrrmin	세계 지도 (IOI25_worldmap)	C++20	0 / 100	1167 ms	2162688 KiB

worldmap

#include "worldmap.h"
#define pb push_back
#include <bits/stdc++.h>
using namespace std;
const int maxn = 1000;
int n, m;

vector < int > g[maxn];
int col[maxn];
vector < int > path;
void dfs(int beg, int from)
{
    path.pb(beg);
    for(auto nb: g[beg])
    {
        if(nb == from)continue;
        dfs(nb, beg);
        path.pb(beg);
    }
}
std::vector<std::vector<int>> create_map(int N, int M, std::vector<int> A, std::vector<int> B)
{
    n = N;
    m = M;
    for (int i = 0; i <= 2*n; ++ i)
        g[i].clear();
    for (int i = 0; i < m; ++ i)
    {
        g[A[i]].pb(B[i]);
        g[B[i]].pb(A[i]);
    }
    dfs(1, 0);

    int szp = path.size();
    std::vector<std::vector<int>> ans(szp, std::vector<int>(szp, 0));
    for (int j = 0; j < szp; ++ j)
        ans[0][j] = path[j];
    for (int i = 1 ; i < szp; ++ i)
    {
        for(int j = 0; j < szp; ++ j)
            ans[i][j] = ans[i-1][j];
    }
    return ans;
    for (int i = 0; i < 2*n; ++ i)
    {
        if(col[i] == 1)
        {
            for (int j = 0; j < 2*n; ++ j)
                ans[i][j] = 1;
        }
        else
        {
            int v = col[i];
            int j = 0;
            for (auto x: g[v])
            {
                ans[i][j] = x;
                j ++;
                ans[i][j] = v;
                j ++;
            }
            while(j < 2*n)
            {
                ans[i][j] = v;
                j ++;
            }
        }
    }
    return ans;
}

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