Submission #1250244

#	Time	Username	Problem	Language	Result	Execution time	Memory
1250244		haiphong5g0	세계 지도 (IOI25_worldmap)	C++20	Compilation error	0 ms	0 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<int> L; int ck[maxn+1];
void Resize(ll v) {
    FOR(i, 1, v, 1) res.resize(v);
}
void DFS(ll v) {
    L.pb(i); ck[i] = true;
    for (auto p : adj[i]) {
        if (ck[p]) continue;
        DFS(p);
    }
}
vector<vector<int>> create_map(int n, int m,
    vector<int> A, vector<int> B) {

    Resize(3*n); DFS(1);
    int row = 0;
    for (auto p : L) {
        res[row].resize(3*n, p);
        res[row+2].resize(3*n, p);
        for (auto q : adj[p]) {
            res[row+1].pb(q);
            res[row+1].pb(p);
        }
        res[row+1].resize(3*n, p);
    }
    return res;
}

Compilation message (stderr)

worldmap.cpp: In function 'void DFS(ll)':
worldmap.cpp:28:10: error: 'i' was not declared in this scope
   28 |     L.pb(i); ck[i] = true;
      |          ^