Submission #1263078

#	Time	Username	Problem	Language	Result	Execution time	Memory
1263078		nerrrmin	World Map (IOI25_worldmap)	C++20	15 / 100	14 ms	2116 KiB

worldmap

#include "worldmap.h"
#define pb push_back
#include <bits/stdc++.h>
using namespace std;
const int maxn = 55;
int n, m;

vector < pair < int, int > > g[maxn];
int col[maxn];
vector < int > path;
int used[maxn];
int mark[500];
void dfs(int beg, int from)
{
    path.pb(beg);
    used[beg] = 1;
    for(auto &[nb, i]: g[beg])
    {
        if(nb == from)
        {
            continue;
        }
        if(used[nb])
        {
            if(!mark[i])
            {
                path.pb(nb);
            path.pb(beg);
            }
            continue;
        }
        mark[i] = 1;
        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)
{
    assert(M >= N-1);
    n = N;
    m = M;
    path.clear();
    for (int i = 1; i <= n; ++ i)
        used[i] = 0;
        for (int i = 0; i <= 240; ++ i)
            mark[i] = 0;
    for (int i = 0; i <= 2*n; ++ i)
        g[i].clear();
    for (int i = 0; i < m; ++ i)
    {
        g[A[i]].pb({B[i], i});
        g[B[i]].pb({A[i], i});
    }
    dfs(1, 0);

    int szp = path.size();
    assert(szp <= 240);
    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;

}

• Subtask 0: 0 / 0
• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 0 / 7
• Subtask 4: 0 / 8
• Subtask 5: 0 / 14
• Subtask 6: 0 / 56