Submission #1250299

#	Time	Username	Problem	Language	Result	Execution time	Memory
1250299		haiphong5g0	World Map (IOI25_worldmap)	C++20	72 / 100	73 ms	9544 KiB

worldmap

//#include "worldmap.h"
#include <bits/stdc++.h>
#define task "TEST"
#define task2 "A"
#define pl pair<ll, ll>
#define pf push_front
#define pb push_back
#define pob pop_back
#define pof pop_front
#define mp make_pair
#define fi first
#define se second
#define FOR(i, a, b, c) for (int i=a; i<=b; i+=c)
#define FORE(i, a, b, c) for (int i=a; i>=b; i+=c)
using namespace std;
using ll = long long;
using ull = unsigned long long;
const int Mod = 998244353;
const int maxn = 1e3;
const ll Inf = 1e16;
vector<int> adj[maxn+1];
vector<vector<int>> res;
vector<vector<int>> newv;
vector<int> L; int ck[maxn+1];
void DFS(ll v) {
    L.pb(v); ck[v] = true;
    for (auto p : adj[v]) {
        if (ck[p]) continue;
        DFS(p); L.pb(v);
    }
}
std::vector<std::vector<int>> create_map(int n, int m,
    std::vector<int> A, std::vector<int> B) {
    L.clear(); res = newv;
    FOR(i, 1, n, 1) adj[i].clear();
    FOR(i, 1, n, 1) ck[i] = false;
    FOR(i, 0, m-1, 1) {
        adj[A[i]].pb(B[i]);
        adj[B[i]].pb(A[i]);
    }
    DFS(1); res.resize(L.size()*3);
    FOR(i, 0, L.size()*3-1, 1) res[i].resize(0);
    int row = 0;
    for (auto p : L) {
        if (ck[p]) {
            res[row].resize(L.size()*3, p);
            res[row+2].resize(L.size()*3, p);
            for (auto q : adj[p]) {
                res[row+1].pb(q);
                res[row+1].pb(p);
            }
            res[row+1].resize(L.size()*3, p);
            row += 3;
        }
        else {
            res[row].resize(L.size()*3, p);
            row++;
        }
        ck[p] = false;
    }
    res.resize(row);
    FOR(i, 0, row-1, 1) res[i].resize(row);
    return res;
}

• Subtask 0: 0 / 0
• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 7 / 7
• Subtask 4: 8 / 8
• Subtask 5: 14 / 14
• Subtask 6: 28 / 56