Submission #1252812

#	Time	Username	Problem	Language	Result	Execution time	Memory
1252812		abcdxyz123	World Map (IOI25_worldmap)	C++17	Compilation error	0 ms	0 KiB

worldmap

#include "worldmap"
#include<bits/stdc++.h>
using namespace std;
#define maxn 45
int n;
vector<int>adj[maxn];
int color[maxn];
int cur;
vector<vector<int>>res;
void Fill(int k,vector<int>vec)
{
    sort(vec.begin(),vec.end());
    vec.erase(unique(all(vec)),vec.end());
    for(int i=0;i<=k;i++)
    {
        int x=i;
        int y=k-i;
        if(x>=2*n||y>=2*n)continue;
        res[x][y]=vec.back();
        if(vec.size()>=2)vec.pop_back();
    }
}
void dfs(int u,int dad)
{
    color[u]=1;
    Fill(cur++,{u});
    vector<int>que;
    for(int v:adj[u])
    {
        if(v!=dad)
        {
            if(color[v])
            {
                que.push_back(v);
            }
            else
            {
                dfs(v,u);
                Fill(cur++,{u});
            }
        }
    }
    if(que.empty())que.push_back(u);
    Fill(cur++,que);
    Fill(cur++,{u});
}
vector<vector<int>> create_map(int N,int m,vector<int>u,vector<int>v)
{
    n=N;
    cur=0;
    for(int i=1;i<=n;i++)
    {
        color[i]=0;
        adj[i].clear();
    }
    for(int i=0;i<m;i++)
    {
        adj[u[i]].push_back(v[i]);
        adj[v[i]].push_back(u[i]);
    }
    res=vector<vector<int>>(2*n,vector<int>(2*n,0));
    dfs(1,0);
    return res;
}

Compilation message (stderr)

worldmap.cpp: In function 'void Fill(int, std::vector<int>)':
worldmap.cpp:13:22: error: 'all' was not declared in this scope; did you mean 'std::filesystem::perms::all'?
   13 |     vec.erase(unique(all(vec)),vec.end());
      |                      ^~~
      |                      std::filesystem::perms::all
In file included from /usr/include/c++/11/filesystem:44,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:129,
                 from worldmap.cpp:2:
/usr/include/c++/11/bits/fs_fwd.h:154:7: note: 'std::filesystem::perms::all' declared here
  154 |       all               =  0777,
      |       ^~~