#include <bits/stdc++.h>
using namespace std;
const int MAXN = 152;
struct DSU{
vector<int> d;
DSU(int N){
d = vector<int> (N,-1);
}
int get(int x){
if(d[x] < 0) return x;
else return get(d[x]);
}
bool check(int a, int b){
return (get(a) == get(b));
}
bool unite(int a, int b) {
a = get(a); b = get(b);
if(a == b) return false;
if(d[a] > d[b]) swap(a,b);
d[a] += d[b]; d[b] = a;
return true;
}
} dsu(MAXN);
int query(vector<int> print, int newind){
print.push_back(newind);
cout << print.size();
for(auto i : print) cout << " " << i;
cout << endl;
int ans; cin >> ans;
return ans;
}
int divcon(vector<int> curs, int ind, int sz){
if(sz == 1) return curs[0];
int mid = sz/2;
vector<int> leftside, rightside;
for(int i = 0;i<mid;++i) leftside.push_back(curs[i]);
for(int i = mid;i<sz;++i) rightside.push_back(curs[i]);
int ans = query(leftside,ind);
if(ans == mid) return divcon(leftside,ind,mid);
else return divcon(rightside,ind,sz-mid);
}
int main()
{
int N; cin >> N;
for(int i = 2;i<=N;++i){
vector<int> newcurs;
for(int j = 1;j<i;++j){
if(dsu.get(j) == j){
newcurs.push_back(j);
}
}
int sz = newcurs.size();
int ans = query(newcurs,i);
if(ans == sz+1) continue;
ans = divcon(newcurs,i,sz);
dsu.unite(ans,i);
}
int timer = 0; vector<int> answer(N+1);
for(int i = 1;i<=N;i++){
if(dsu.get(i) == i) answer[i] = ++timer;
}
cout << 0;
for(int i = 1 ;i <= N;i++) cout << " " << answer[dsu.get(i)];
cout << endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
344 KB |
Output is correct |
2 |
Correct |
5 ms |
436 KB |
Output is correct |
3 |
Correct |
3 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
2 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
3 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
344 KB |
Output is correct |
2 |
Correct |
4 ms |
344 KB |
Output is correct |
3 |
Correct |
2 ms |
448 KB |
Output is correct |
4 |
Correct |
2 ms |
344 KB |
Output is correct |
5 |
Correct |
2 ms |
344 KB |
Output is correct |
6 |
Correct |
2 ms |
344 KB |
Output is correct |
7 |
Correct |
2 ms |
344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
3 ms |
344 KB |
Output is correct |
3 |
Correct |
5 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
3 ms |
432 KB |
Output is correct |
6 |
Correct |
3 ms |
344 KB |
Output is correct |
7 |
Correct |
3 ms |
380 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
344 KB |
Output is correct |
2 |
Correct |
2 ms |
344 KB |
Output is correct |
3 |
Correct |
3 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
3 ms |
344 KB |
Output is correct |
6 |
Correct |
4 ms |
340 KB |
Output is correct |
7 |
Correct |
3 ms |
444 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
344 KB |
Output is correct |
2 |
Correct |
3 ms |
344 KB |
Output is correct |
3 |
Correct |
2 ms |
344 KB |
Output is correct |
4 |
Correct |
3 ms |
600 KB |
Output is correct |
5 |
Correct |
4 ms |
344 KB |
Output is correct |
6 |
Correct |
2 ms |
856 KB |
Output is correct |
7 |
Correct |
3 ms |
600 KB |
Output is correct |