Submission #1249804

#	Time	Username	Problem	Language	Result	Execution time	Memory
1249804		zzzzzzzzzzzzzzz	World Map (IOI25_worldmap)	C++20	5 / 100	3 ms	580 KiB

worldmap

#include "worldmap.h"
#include <bits/stdc++.h>

using namespace std;

vector<vector<int>> create_map(int N, int M, vector<int> A, vector<int> B) {
    vector<vector<int>> ans(N, vector<int>(N, 1));
    vector<vector<int>> g(N+1);
    vector<int> cnt(N+1);
    for(int i=0;i<M;i++){
        g[A[i]].push_back(B[i]);
        g[B[i]].push_back(A[i]);
        cnt[A[i]]++; cnt[B[i]]++;
    }
    int v,p=-1;
    for(int i=1;i<=N;i++){
        if(cnt[i]==1){
            v=i;
            break;
        }
    }
    for(int i=0;i<N;i++){
        for(int j=0;j<N;j++) ans[i][j]=v;
        int p2=v;
        for(int k:g[v]){
            if(k!=p) {
                v=k;
                break;
            }
        }
        p=p2;
    }
    return ans;
}

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