oj.uz

Submission #1058064

# Submission time Handle Problem Language Result Execution time Memory
1058064 2024-08-14T08:12:22 Z Dan4Life Rarest Insects (IOI22_insects) C++17
25 / 100
 2000 ms 219040 KB 
#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) begin(a), end(a)
using vi = vector<int>;
int n, D;
set<int> S;
map<set<int>,int> M;

bool move_in(int i){
	if(S.count(i)) return 0;
	S.insert(i); move_inside(i);
	return 1;
}

bool move_out(int i){
	if(!S.count(i)) return 0;
	S.erase(i); move_outside(i);
	return 1;
}

int press(){
	if(sz(S)==1) return 1;
	if(M.count(S)) return M[S];
	return M[S] = press_button(); 
}

int min_cardinality(int N) {
	n = N; D = N;
	vector<int> xd(n,0); iota(all(xd),0);
	random_shuffle(all(xd));
	for(int i = 0; i < n; i++){
		move_in(xd[i]);
		if(press()>1) move_out(xd[i]), D--;
	}
	for(int i = 0; i < n; i++) move_out(xd[i]);
	int l = 1, r = n;
	while(l<r){
		int mid = (l+r+1)/2, tot=n;
		vi undo; undo.clear();
		for(int i = 0; i < n; i++){
			if(!move_in(xd[i])) continue;
			if(press()>mid) move_out(xd[i]), tot--;
			else undo.pb(xd[i]);
		}
		if(tot==D*mid) l = mid;
		else{
			for(auto u : undo) move_out(u);
			r=mid-1;
		}
	}
	return l;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 6 ms 2468 KB Output is correct
7 Correct 8 ms 1368 KB Output is correct
8 Correct 7 ms 1880 KB Output is correct
9 Correct 13 ms 3844 KB Output is correct
10 Correct 10 ms 2136 KB Output is correct
11 Correct 14 ms 5212 KB Output is correct
12 Correct 11 ms 2896 KB Output is correct
13 Correct 11 ms 2904 KB Output is correct
14 Correct 10 ms 3596 KB Output is correct
15 Correct 11 ms 3928 KB Output is correct
16 Correct 11 ms 4132 KB Output is correct
17 Correct 10 ms 3416 KB Output is correct
18 Correct 15 ms 3928 KB Output is correct
19 Correct 17 ms 4176 KB Output is correct
20 Correct 16 ms 3248 KB Output is correct
21 Correct 14 ms 3416 KB Output is correct
22 Correct 11 ms 2904 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 6 ms 2468 KB Output is correct
7 Correct 8 ms 1368 KB Output is correct
8 Correct 7 ms 1880 KB Output is correct
9 Correct 13 ms 3844 KB Output is correct
10 Correct 10 ms 2136 KB Output is correct
11 Correct 14 ms 5212 KB Output is correct
12 Correct 11 ms 2896 KB Output is correct
13 Correct 11 ms 2904 KB Output is correct
14 Correct 10 ms 3596 KB Output is correct
15 Correct 11 ms 3928 KB Output is correct
16 Correct 11 ms 4132 KB Output is correct
17 Correct 10 ms 3416 KB Output is correct
18 Correct 15 ms 3928 KB Output is correct
19 Correct 17 ms 4176 KB Output is correct
20 Correct 16 ms 3248 KB Output is correct
21 Correct 14 ms 3416 KB Output is correct
22 Correct 11 ms 2904 KB Output is correct
23 Correct 125 ms 54864 KB Output is correct
24 Correct 306 ms 24068 KB Output is correct
25 Correct 173 ms 27468 KB Output is correct
26 Correct 355 ms 108080 KB Output is correct
27 Correct 142 ms 38740 KB Output is correct
28 Correct 417 ms 141080 KB Output is correct
29 Correct 224 ms 57968 KB Output is correct
30 Correct 300 ms 62072 KB Output is correct
31 Correct 232 ms 83076 KB Output is correct
32 Correct 242 ms 85504 KB Output is correct
33 Correct 277 ms 92624 KB Output is correct
34 Correct 278 ms 79316 KB Output is correct
35 Correct 286 ms 92152 KB Output is correct
36 Correct 296 ms 95532 KB Output is correct
37 Correct 311 ms 95564 KB Output is correct
38 Correct 311 ms 83916 KB Output is correct
39 Correct 303 ms 78236 KB Output is correct
40 Correct 324 ms 76616 KB Output is correct
41 Correct 343 ms 79216 KB Output is correct

Subtask #3
0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Partially correct 0 ms 344 KB Output is partially correct
7 Correct 613 ms 219040 KB Output is correct
8 Execution timed out 2351 ms 94808 KB Time limit exceeded
9 Halted 0 ms 0 KB -