Submission #1296987

#	Time	Username	Problem	Language	Result	Execution time	Memory
1296987		kaxi	World Map (IOI25_worldmap)	C++20	0 / 100	1206 ms	2102868 KiB

worldmap

#include<bits/stdc++.h>
using namespace std;
vector<int> ans;
vector<int> v[41];
void rec(int u, int p) {
    for(int i = 0; i < v[p].size(); i++) {
        if(v[p][i] != u){
            ans.push_back(p);
            rec(p, v[p][i]);
        }
    }
    if(p != 1) ans.push_back(p);
}
vector<vector<int>> create_map(int n, int m, vector <int> a, vector<int> b)
{
    if(m == 0) {
        vector <vector<int>> v1(1, vector<int>(1,1));
        return v1;
    }
    for(int i = 0; i <= 40; i++) v[i].clear();
    for(int i = 0; i < m; i++) {
        v[a[i]].push_back(b[i]);
        v[b[i]].push_back(a[i]);
    }
    
    ans.clear();
    rec(0, 1);
    int k = ans.size();
     vector <vector<int>> ans1(n, vector<int>(k));
     for(int i = 0; i < ans.size(); i++) {
         for(int j = 0; j < ans.size(); j++){
             ans1[i][j] = ans[j];
         }
     }
     return ans1;
}

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