# include <bits/stdc++.h> # include <art.h> # define pb push_back # define ff first # define ss second # define nl "\n" # define sz(x) ((int)(x).size()) # define deb(x) cerr << #x << " = " << x << endl; typedef long long ll; typedef unsigned long long ull; typedef long double ld; const ll maxn = 2e5 + 25; const ll inf = 2e9 + 0; const ll mod = 998244353; const ll dx[] = {-1, 1, 0, 0}; const ll dy[] = {0, 0, -1, 1}; using namespace std; vector <int> g[4003]; vector <int> ord; bool used[4003]; void dfs (int v) { ord.pb(v); used[v] = 1; for (int to : g[v]) { if (!used[to]) { dfs(to); } } } void solve (int N) { int n = N; vector <int> v; for (int i = 1; i <= n; ++i) v.pb(i); int cnt = publish(v); ll st = -1; for (int i = 0; i < n; ++i) { for (int j = 0; j < n; ++j) { if (i == j) continue; swap(v[i], v[j]); int cur = publish(v); if (cur == cnt + 1) { g[v[i]].pb(v[j]); st = v[i]; } swap(v[i], v[j]); } } dfs(st); answer(ord); }

interface.cpp: In function 'int publish(std::vector<int>)':
interface.cpp:20:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   20 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~
interface.cpp: In function 'void answer(std::vector<int>)':
interface.cpp:36:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   36 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~