답안 #736769

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
736769 2023-05-06T08:07:28 Z jk410 드문 곤충 (IOI22_insects) C++17
99.56 / 100
78 ms 308 KB
#include "insects.h"
#include <bits/stdc++.h>
using namespace std;
int n;
bool used[2000],check[2000][2];
int mySolve[2001];
int solve(int x) {
	int& ret = mySolve[x];
	if (ret != -1)
		return ret;
	ret = 0;
	for (int i = 0; i < n; i++) {
		if (!check[i][0] && !check[i][1]) {
			move_inside(i);
			used[i] = true;
			if (press_button() > x) {
				used[i] = false;
				move_outside(i);
			}
		}
		if (used[i])
			ret++;
	}
	return ret;
}
int min_cardinality(int _n) {
	n = _n;
	memset(mySolve, -1, sizeof(mySolve));
	int cnt = solve(1);
	int l = 1, r = n / cnt, ans;
	while (l <= r) {
		int m = (l + r) >> 1;
		if (solve(m) == cnt * m) {
			for (int i = 0; i < n; i++) {
				if (used[i])
					check[i][0] = true;
			}
			ans = m;
			l = m + 1;
		}
		else {
			for (int i = 0; i < n; i++) {
				if (!used[i])
					check[i][1] = true;
				if (used[i] && !check[i][0]) {
					used[i] = false;
					move_outside(i);
				}
			}
			r = m - 1;
		}
	}
	return ans;
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:53:9: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   53 |  return ans;
      |         ^~~
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 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 6 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 5 ms 208 KB Output is correct
9 Correct 7 ms 208 KB Output is correct
10 Correct 7 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 6 ms 208 KB Output is correct
13 Correct 4 ms 208 KB Output is correct
14 Correct 4 ms 208 KB Output is correct
15 Correct 7 ms 208 KB Output is correct
16 Correct 4 ms 208 KB Output is correct
17 Correct 5 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 4 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 2 ms 208 KB Output is correct
22 Correct 3 ms 208 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 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 6 ms 208 KB Output is correct
7 Correct 2 ms 208 KB Output is correct
8 Correct 5 ms 208 KB Output is correct
9 Correct 7 ms 208 KB Output is correct
10 Correct 7 ms 208 KB Output is correct
11 Correct 2 ms 208 KB Output is correct
12 Correct 6 ms 208 KB Output is correct
13 Correct 4 ms 208 KB Output is correct
14 Correct 4 ms 208 KB Output is correct
15 Correct 7 ms 208 KB Output is correct
16 Correct 4 ms 208 KB Output is correct
17 Correct 5 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Correct 4 ms 208 KB Output is correct
20 Correct 4 ms 208 KB Output is correct
21 Correct 2 ms 208 KB Output is correct
22 Correct 3 ms 208 KB Output is correct
23 Correct 27 ms 208 KB Output is correct
24 Correct 9 ms 208 KB Output is correct
25 Correct 33 ms 208 KB Output is correct
26 Correct 20 ms 208 KB Output is correct
27 Correct 21 ms 208 KB Output is correct
28 Correct 11 ms 208 KB Output is correct
29 Correct 24 ms 208 KB Output is correct
30 Correct 22 ms 208 KB Output is correct
31 Correct 32 ms 208 KB Output is correct
32 Correct 23 ms 208 KB Output is correct
33 Correct 35 ms 208 KB Output is correct
34 Correct 29 ms 208 KB Output is correct
35 Correct 24 ms 208 KB Output is correct
36 Correct 17 ms 208 KB Output is correct
37 Correct 24 ms 208 KB Output is correct
38 Correct 40 ms 208 KB Output is correct
39 Correct 20 ms 208 KB Output is correct
40 Correct 15 ms 208 KB Output is correct
41 Correct 10 ms 208 KB Output is correct
# 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 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 272 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 54 ms 208 KB Output is correct
8 Correct 17 ms 208 KB Output is correct
9 Correct 30 ms 208 KB Output is correct
10 Correct 55 ms 208 KB Output is correct
11 Correct 56 ms 208 KB Output is correct
12 Correct 32 ms 208 KB Output is correct
13 Correct 35 ms 208 KB Output is correct
14 Correct 53 ms 208 KB Output is correct
15 Correct 59 ms 208 KB Output is correct
16 Correct 30 ms 208 KB Output is correct
17 Correct 67 ms 208 KB Output is correct
18 Correct 28 ms 208 KB Output is correct
19 Partially correct 44 ms 208 KB Output is partially correct
20 Correct 75 ms 208 KB Output is correct
21 Correct 55 ms 308 KB Output is correct
22 Correct 46 ms 296 KB Output is correct
23 Correct 51 ms 208 KB Output is correct
24 Correct 29 ms 308 KB Output is correct
25 Correct 23 ms 208 KB Output is correct
26 Correct 14 ms 208 KB Output is correct
27 Partially correct 52 ms 208 KB Output is partially correct
28 Partially correct 55 ms 208 KB Output is partially correct
29 Partially correct 46 ms 208 KB Output is partially correct
30 Partially correct 57 ms 208 KB Output is partially correct
31 Correct 64 ms 208 KB Output is correct
32 Correct 57 ms 208 KB Output is correct
33 Correct 54 ms 296 KB Output is correct
34 Correct 78 ms 296 KB Output is correct
35 Partially correct 54 ms 208 KB Output is partially correct
36 Partially correct 54 ms 208 KB Output is partially correct
37 Correct 50 ms 304 KB Output is correct
38 Correct 55 ms 296 KB Output is correct
39 Partially correct 65 ms 208 KB Output is partially correct
40 Partially correct 64 ms 208 KB Output is partially correct
41 Partially correct 46 ms 208 KB Output is partially correct
42 Partially correct 65 ms 208 KB Output is partially correct
43 Correct 15 ms 208 KB Output is correct
44 Correct 41 ms 208 KB Output is correct
45 Correct 60 ms 208 KB Output is correct
46 Correct 27 ms 208 KB Output is correct
47 Correct 34 ms 208 KB Output is correct
48 Correct 42 ms 208 KB Output is correct