#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "tools.h"
#define debug(x...) cerr << "\033[1;31m"<<__func__<<"():"<<__LINE__<<" [" << #x << "] = ["; _print(x); cerr << "\033[0m" << endl;
#else
#define debug(x...)
#endif
using ull = unsigned long long;
using ll = long long;
using db = double;
using str = string;
using pi = pair<int, int>;
using pl = pair<ll, ll>;
using pd = pair<db, db>;
#define mp make_pair
#define fi first
#define se second
#define sz(x) int((x).size())
#define all(x) (x).begin(), (x).end()
#define rsz resize
#define ins insert
#define pb push_back
#define eb emplace_back
#define lb lower_bound
#define ub upper_bound
#define each(i, v) for(auto &i : v)
const int MOD = (int)1e9+7; // 998244353
const int NM = (int)2e5+5; // 1e6+5;
const int INF = (int)1e9+7;
const ll INF_LL = (ll)1e18+7;
const db PI = acos((db) - 1);
int lg2(ull i) { return i ? __builtin_clzll(1) - __builtin_clzll(i) : -1; }
int ask(vector<int> a, int check){
cout << sz(a) + 1;
for (int i : a) cout << " " << i;
cout << " " << check;
cout << endl;
int resp; cin >> resp;
return resp;
}
vector<int> p;
int get(int x){
return x == p[x] ? x : p[x] = get(p[x]);
}
bool unite(int x, int y){
x = get(x);
y = get(y);
if (x == y) return false;
p[y] = x;
return true;
}
void solve(){
int n;
cin >> n;
p.resize(n + 1);
iota(all(p), 0);
vector<int> heads;
for (int i = 2; i <= n; i++){
heads.clear();
for (int j = 1; j < i; j++){
if (get(j) == j) heads.eb(j);
}
if (ask(heads, i) == sz(heads) + 1) continue;
int l = 0, r = sz(heads) - 1;
while(l < r){
int m = (l + r) >> 1;
if (ask(vector<int>(heads.begin() + l, heads.begin() + m + 1), i) == m - l + 1){
r = m;
}else{
l = m + 1;
}
}
unite(heads[l], i);
}
vector<int> res(n + 1);
int t = 1;
for (int i = 1; i <= n; i++){
if (get(i) == i) res[i] = t++;
}
cout << 0;
for (int i = 1; i <= n; i++){
cout << " " << res[get(i)];
}
cout << endl;
}
int main() {
#ifdef LOCAL
clock_t __START_CLOCK = clock();
#endif
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int tc = 1; // cin >> tc;
while(tc--) {
solve();
}
#ifdef LOCAL
cerr << "\033[1;33m"<< (clock() - __START_CLOCK) / CLOCKS_PER_SEC << " s\033[0m" << endl;
#endif
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
208 KB |
Output is correct |
2 |
Correct |
8 ms |
316 KB |
Output is correct |
3 |
Correct |
5 ms |
320 KB |
Output is correct |
4 |
Correct |
3 ms |
320 KB |
Output is correct |
5 |
Correct |
5 ms |
208 KB |
Output is correct |
6 |
Correct |
4 ms |
208 KB |
Output is correct |
7 |
Correct |
9 ms |
296 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
208 KB |
Output is correct |
2 |
Correct |
11 ms |
304 KB |
Output is correct |
3 |
Correct |
5 ms |
208 KB |
Output is correct |
4 |
Correct |
4 ms |
320 KB |
Output is correct |
5 |
Correct |
7 ms |
208 KB |
Output is correct |
6 |
Correct |
6 ms |
208 KB |
Output is correct |
7 |
Correct |
8 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
208 KB |
Output is correct |
2 |
Correct |
4 ms |
208 KB |
Output is correct |
3 |
Correct |
7 ms |
208 KB |
Output is correct |
4 |
Correct |
4 ms |
324 KB |
Output is correct |
5 |
Correct |
6 ms |
208 KB |
Output is correct |
6 |
Correct |
5 ms |
312 KB |
Output is correct |
7 |
Correct |
7 ms |
316 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
208 KB |
Output is correct |
2 |
Correct |
5 ms |
208 KB |
Output is correct |
3 |
Correct |
5 ms |
208 KB |
Output is correct |
4 |
Correct |
3 ms |
320 KB |
Output is correct |
5 |
Correct |
7 ms |
208 KB |
Output is correct |
6 |
Correct |
5 ms |
208 KB |
Output is correct |
7 |
Correct |
9 ms |
320 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
208 KB |
Output is correct |
2 |
Correct |
6 ms |
208 KB |
Output is correct |
3 |
Correct |
6 ms |
316 KB |
Output is correct |
4 |
Correct |
5 ms |
208 KB |
Output is correct |
5 |
Correct |
7 ms |
208 KB |
Output is correct |
6 |
Correct |
5 ms |
328 KB |
Output is correct |
7 |
Correct |
4 ms |
208 KB |
Output is correct |