// #pragma GCC optimize("O3")
// #pragma GCC tagret("avx2")
#include <bits/stdc++.h>
#define int long long
#define F first
#define S second
#define pii pair<int,int>
const int mod = 1e9 + 7;
const int mxN = 2e5 + 5;
using namespace std;
int dsu[mxN];
int find(int x){return (dsu[x] == x ? x : dsu[x] = find(dsu[x]));}
void merge(int a,int b){
int fa = find(a),fb = find(b);
dsu[fb] = fa;
}
bool vis[mxN];
signed main(){
// ios_base::sync_with_stdio(0);
// cin.tie(0);
// cout.tie(0);
int n;
cin >>n;
for(int i = 1;i <= n;i++){
dsu[i] = i;
}
int bg = 1;
vector<int>v;
v.push_back(1);
for(int i = 2;i <= n;i++){
cout.flush()<<i - bg + 1<<' ';
for(int j = bg;j <= i;j++){
cout.flush()<<j<<' ';
}
cout<<endl;
int sz;cin>>sz;
if(sz == 1) merge(bg,i);
else{
bg = i;
int l = 0,r = v.size() - 1;
int md;
bool done =0;
while(l <= r){
md = (l + r) / 2;
cout.flush()<<md - l + 2<<' ';
for(int j = l;j <= md;j++){
cout.flush()<<v[j]<<' ';
}
cout.flush()<<i<<endl;
cin >>sz;
if(sz == 1 && r == l){
done = 1;
break;
}else if(md == l && sz == 2){
}
if(sz < md - l + 2) r = md;
else l = md + 1;
}
if(done) merge(v[md],i);
else v.push_back(i);
}
}
cout.flush()<<0<<' ';
for(int i = 1;i <= n;i++) cout.flush()<<lower_bound(v.begin(),v.end(),find(i)) - v.begin() + 1<<' ';
cout.flush()<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
500 KB |
Output is correct |
2 |
Correct |
5 ms |
344 KB |
Output is correct |
3 |
Correct |
6 ms |
448 KB |
Output is correct |
4 |
Correct |
7 ms |
444 KB |
Output is correct |
5 |
Correct |
2 ms |
344 KB |
Output is correct |
6 |
Correct |
3 ms |
344 KB |
Output is correct |
7 |
Correct |
5 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
344 KB |
Output is correct |
2 |
Correct |
5 ms |
344 KB |
Output is correct |
3 |
Correct |
5 ms |
448 KB |
Output is correct |
4 |
Correct |
10 ms |
448 KB |
Output is correct |
5 |
Correct |
3 ms |
344 KB |
Output is correct |
6 |
Correct |
2 ms |
344 KB |
Output is correct |
7 |
Correct |
4 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
344 KB |
Output is correct |
2 |
Correct |
3 ms |
344 KB |
Output is correct |
3 |
Correct |
7 ms |
344 KB |
Output is correct |
4 |
Correct |
7 ms |
448 KB |
Output is correct |
5 |
Correct |
3 ms |
344 KB |
Output is correct |
6 |
Correct |
2 ms |
344 KB |
Output is correct |
7 |
Correct |
7 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
344 KB |
Output is correct |
2 |
Correct |
3 ms |
344 KB |
Output is correct |
3 |
Correct |
10 ms |
448 KB |
Output is correct |
4 |
Correct |
14 ms |
444 KB |
Output is correct |
5 |
Correct |
4 ms |
344 KB |
Output is correct |
6 |
Correct |
4 ms |
444 KB |
Output is correct |
7 |
Correct |
5 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
344 KB |
Output is correct |
2 |
Correct |
4 ms |
344 KB |
Output is correct |
3 |
Correct |
7 ms |
452 KB |
Output is correct |
4 |
Correct |
7 ms |
444 KB |
Output is correct |
5 |
Correct |
5 ms |
444 KB |
Output is correct |
6 |
Correct |
9 ms |
448 KB |
Output is correct |
7 |
Correct |
9 ms |
444 KB |
Output is correct |