oj.uz

답안 #634213

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
634213 2022-08-24T06:06:56 Z flappybird 드문 곤충 (IOI22_insects) C++17
100 / 100
 70 ms 432 KB 
#include "insects.h"
#include <bits/stdc++.h>
using namespace std;

#define MAX 2020

int chk[MAX];
int num[MAX];
int rnd[MAX];

int min_cardinality(int N) {
	int K;
	K = 0;
	int i;
	for (i = 0; i < N; i++) rnd[i] = i;
	for (i = N - 1; i >= 0; i--) swap(rnd[i], rnd[rand() % (i + 1)]);
	int on = 0;
	for (i = 0; i < N; i++) {
		move_inside(rnd[i]);
		if (press_button() > 1) move_outside(rnd[i]);
		else num[i] = 1, chk[i] = 1, on++;
	}
	int l, r;
	K = on;
	l = 1, r = N / K + 1;
	while (r - l > 1) {
		int mid = (l + r) / 2;
		vector<int> nb;
		for (i = 0; i < N; i++) {
			if (!chk[i] && !num[i]) {
				move_inside(rnd[i]);
				if (press_button() > mid) {
					nb.push_back(i);
					move_outside(rnd[i]);
				}
				else {
					chk[i] = 1;
					on++;
				}
			}
			if (on == mid * K) break;
		}
		if (on == mid * K) {
			for (i = 0; i < N; i++) if (chk[i]) num[i] = 1;
			l = mid;
		}
		else {
			for (auto v : nb) num[v] = -1;
			for (i = 0; i < N; i++) if (chk[i] && !num[i]) chk[i] = 0, move_outside(rnd[i]), on--;
			r = mid;
		}
	}
	return l;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 308 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 4 ms 304 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 4 ms 208 KB Output is correct
9 Correct 4 ms 208 KB Output is correct
10 Correct 5 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 5 ms 208 KB Output is correct
13 Correct 6 ms 208 KB Output is correct
14 Correct 4 ms 208 KB Output is correct
15 Correct 3 ms 208 KB Output is correct
16 Correct 5 ms 208 KB Output is correct
17 Correct 4 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 3 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 4 ms 208 KB Output is correct
22 Correct 3 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 308 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 4 ms 304 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 4 ms 208 KB Output is correct
9 Correct 4 ms 208 KB Output is correct
10 Correct 5 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 5 ms 208 KB Output is correct
13 Correct 6 ms 208 KB Output is correct
14 Correct 4 ms 208 KB Output is correct
15 Correct 3 ms 208 KB Output is correct
16 Correct 5 ms 208 KB Output is correct
17 Correct 4 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 3 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 4 ms 208 KB Output is correct
22 Correct 3 ms 208 KB Output is correct
23 Correct 16 ms 208 KB Output is correct
24 Correct 8 ms 208 KB Output is correct
25 Correct 18 ms 308 KB Output is correct
26 Correct 24 ms 300 KB Output is correct
27 Correct 28 ms 300 KB Output is correct
28 Correct 8 ms 312 KB Output is correct
29 Correct 24 ms 304 KB Output is correct
30 Correct 28 ms 208 KB Output is correct
31 Correct 19 ms 208 KB Output is correct
32 Correct 26 ms 300 KB Output is correct
33 Correct 25 ms 208 KB Output is correct
34 Correct 20 ms 208 KB Output is correct
35 Correct 24 ms 312 KB Output is correct
36 Correct 20 ms 292 KB Output is correct
37 Correct 27 ms 328 KB Output is correct
38 Correct 21 ms 296 KB Output is correct
39 Correct 24 ms 208 KB Output is correct
40 Correct 13 ms 208 KB Output is correct
41 Correct 9 ms 312 KB Output is correct

Subtask #3
75.0 / 75.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 36 ms 316 KB Output is correct
8 Correct 18 ms 316 KB Output is correct
9 Correct 37 ms 296 KB Output is correct
10 Correct 53 ms 208 KB Output is correct
11 Correct 24 ms 308 KB Output is correct
12 Correct 30 ms 208 KB Output is correct
13 Correct 57 ms 308 KB Output is correct
14 Correct 55 ms 304 KB Output is correct
15 Correct 37 ms 328 KB Output is correct
16 Correct 45 ms 208 KB Output is correct
17 Correct 40 ms 292 KB Output is correct
18 Correct 31 ms 208 KB Output is correct
19 Correct 47 ms 208 KB Output is correct
20 Correct 46 ms 432 KB Output is correct
21 Correct 49 ms 308 KB Output is correct
22 Correct 52 ms 296 KB Output is correct
23 Correct 34 ms 316 KB Output is correct
24 Correct 30 ms 320 KB Output is correct
25 Correct 23 ms 316 KB Output is correct
26 Correct 16 ms 316 KB Output is correct
27 Correct 22 ms 308 KB Output is correct
28 Correct 44 ms 208 KB Output is correct
29 Correct 35 ms 208 KB Output is correct
30 Correct 40 ms 208 KB Output is correct
31 Correct 42 ms 320 KB Output is correct
32 Correct 54 ms 424 KB Output is correct
33 Correct 27 ms 300 KB Output is correct
34 Correct 70 ms 296 KB Output is correct
35 Correct 36 ms 304 KB Output is correct
36 Correct 48 ms 296 KB Output is correct
37 Correct 31 ms 328 KB Output is correct
38 Correct 46 ms 208 KB Output is correct
39 Correct 37 ms 208 KB Output is correct
40 Correct 50 ms 304 KB Output is correct
41 Correct 36 ms 208 KB Output is correct
42 Correct 48 ms 292 KB Output is correct
43 Correct 15 ms 208 KB Output is correct
44 Correct 39 ms 316 KB Output is correct
45 Correct 35 ms 296 KB Output is correct
46 Correct 33 ms 300 KB Output is correct
47 Correct 20 ms 208 KB Output is correct
48 Correct 13 ms 312 KB Output is correct