Submission #1307828

#	Time	Username	Problem	Language	Result	Execution time	Memory
1307828		exoworldgd	World Map (IOI25_worldmap)	C++20	29 / 100	22 ms	3272 KiB

worldmap

#include "worldmap.h"
#include <bits/stdc++.h>
#define exoworldgd cin.tie(0)->sync_with_stdio(0),cout.tie(0)
using namespace std;
using ll=long long;
vector<vector<int>>create_map(int n,int m,vector<int>a,vector<int>b){
    vector<int>g[n],tour,depth(n);
    for(int i=0;i<m;i++)a[i]--,b[i]--,g[a[i]].push_back(b[i]),g[b[i]].push_back(a[i]);
    int vis[n]={},k=2*m+1;
    function<void(int)>dfs=[&](int x){
        vis[x]=1,tour.push_back(x);
        for(int i:g[x]){
            if(!vis[i])depth[i]=depth[x]+1,dfs(i),tour.push_back(x);
            else if(depth[x]<depth[i])tour.push_back(i),tour.push_back(x);
        }
    };
    dfs(0);
    vector<vector<int>>ans(k,vector<int>(k));
    for(int i=0;i<k;i++)for(int j=0;j<k;j++)ans[i][j]=tour[j]+1;
    return ans;
}

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