답안 #343381

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
343381	2021-01-03T20:05:06 Z	Kalashnikov	Bootfall (IZhO17_bootfall)	C++17	65 / 100	1000 ms	7900 KB

bootfall

#include <bits/stdc++.h>
 
#define ios ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
#define all(a) a.begin() , a.end()
#define F first
#define S second
 
using namespace std;
using ll = long long;
 
const int N = 500+5 , inf = 2e9 + 7;
const ll INF = 1e18 ,   mod = 1e9+7 , P = 6547;

int a[N];
int ord[500*260];

bitset<500*260> dp[N];


void solve() {
	int n;
	cin >> n;
	int sum = 0;
	for(int i = 1; i <= n; i ++) {
		cin >> a[i];
		sum += a[i];
	}
	set<int> st;
	for(int i = 0; i <= n; i ++) {
		for(int j = 1; j <= n; j ++) {
			if(i == j) continue;
			dp[i] = (dp[i] | (dp[i] << a[j]));
			dp[i][a[j]] = 1;
		}
	}
	if(sum%2 || !dp[0][sum/2]) {
		cout << 0;
		return;
	}
	vector<int> ans;
	for(int i = 0; i < 500*260; i ++) ord[i] = i;
	random_shuffle(ord , ord+500*260);
	for(int i1 = 0; i1 < 500*260 && i1 < (int)(1e8/n); i1 ++) {
		int i = ord[i1];
		int ok = 1;
		for(int j = 1; j <= n; j ++) {
			int cur = sum-a[j]+i;
			if(cur%2 || !dp[j][cur/2]) {
				ok = 0;
				break;
			}
		}
		if(ok) ans.push_back(i);
	}
	sort(all(ans));
	cout << ans.size() << '\n';
	for(auto to: ans) {
		cout << to << ' ';
	}
}
/*
5 5 5 5  15

*/
main() {
	file("subsequence");
    ios;
    int tt = 1;
    //cin >> tt;
    while(tt --) {
        solve();
    }
    return 0;
}

Compilation message

bootfall.cpp:66:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   66 | main() {
      |      ^
bootfall.cpp: In function 'int main()':
bootfall.cpp:4:48: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
    4 | #define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
      |                                         ~~~~~~~^~~~~~~~~~~~~~~~~~~~
bootfall.cpp:67:2: note: in expansion of macro 'file'
   67 |  file("subsequence");
      |  ^~~~
bootfall.cpp:4:77: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
    4 | #define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
      |                                                                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
bootfall.cpp:67:2: note: in expansion of macro 'file'
   67 |  file("subsequence");
      |  ^~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	1004 KB	Output is correct
2	Correct	5 ms	1132 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	4 ms	1024 KB	Output is correct
5	Correct	5 ms	1152 KB	Output is correct
6	Correct	5 ms	1016 KB	Output is correct
7	Correct	5 ms	1004 KB	Output is correct
8	Correct	5 ms	1132 KB	Output is correct
9	Correct	5 ms	1004 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	1004 KB	Output is correct
2	Correct	5 ms	1132 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	4 ms	1024 KB	Output is correct
5	Correct	5 ms	1152 KB	Output is correct
6	Correct	5 ms	1016 KB	Output is correct
7	Correct	5 ms	1004 KB	Output is correct
8	Correct	5 ms	1132 KB	Output is correct
9	Correct	5 ms	1004 KB	Output is correct
10	Correct	9 ms	1388 KB	Output is correct
11	Correct	9 ms	1388 KB	Output is correct
12	Correct	11 ms	1388 KB	Output is correct
13	Correct	10 ms	1260 KB	Output is correct
14	Correct	9 ms	1388 KB	Output is correct
15	Correct	11 ms	1388 KB	Output is correct
16	Correct	9 ms	1516 KB	Output is correct
17	Correct	6 ms	1132 KB	Output is correct
18	Correct	7 ms	1260 KB	Output is correct
19	Correct	8 ms	1260 KB	Output is correct
20	Correct	9 ms	1388 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	1004 KB	Output is correct
2	Correct	5 ms	1132 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	4 ms	1024 KB	Output is correct
5	Correct	5 ms	1152 KB	Output is correct
6	Correct	5 ms	1016 KB	Output is correct
7	Correct	5 ms	1004 KB	Output is correct
8	Correct	5 ms	1132 KB	Output is correct
9	Correct	5 ms	1004 KB	Output is correct
10	Correct	9 ms	1388 KB	Output is correct
11	Correct	9 ms	1388 KB	Output is correct
12	Correct	11 ms	1388 KB	Output is correct
13	Correct	10 ms	1260 KB	Output is correct
14	Correct	9 ms	1388 KB	Output is correct
15	Correct	11 ms	1388 KB	Output is correct
16	Correct	9 ms	1516 KB	Output is correct
17	Correct	6 ms	1132 KB	Output is correct
18	Correct	7 ms	1260 KB	Output is correct
19	Correct	8 ms	1260 KB	Output is correct
20	Correct	9 ms	1388 KB	Output is correct
21	Correct	27 ms	1900 KB	Output is correct
22	Correct	34 ms	2156 KB	Output is correct
23	Correct	19 ms	1772 KB	Output is correct
24	Correct	55 ms	2540 KB	Output is correct
25	Correct	54 ms	2412 KB	Output is correct
26	Correct	67 ms	2540 KB	Output is correct
27	Correct	58 ms	2540 KB	Output is correct
28	Correct	59 ms	2668 KB	Output is correct
29	Correct	60 ms	2552 KB	Output is correct
30	Correct	58 ms	2540 KB	Output is correct
31	Correct	59 ms	2540 KB	Output is correct
32	Correct	74 ms	2540 KB	Output is correct
33	Correct	64 ms	2540 KB	Output is correct
34	Correct	62 ms	2540 KB	Output is correct
35	Correct	58 ms	2540 KB	Output is correct
36	Correct	59 ms	2540 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	1004 KB	Output is correct
2	Correct	5 ms	1132 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	4 ms	1024 KB	Output is correct
5	Correct	5 ms	1152 KB	Output is correct
6	Correct	5 ms	1016 KB	Output is correct
7	Correct	5 ms	1004 KB	Output is correct
8	Correct	5 ms	1132 KB	Output is correct
9	Correct	5 ms	1004 KB	Output is correct
10	Correct	9 ms	1388 KB	Output is correct
11	Correct	9 ms	1388 KB	Output is correct
12	Correct	11 ms	1388 KB	Output is correct
13	Correct	10 ms	1260 KB	Output is correct
14	Correct	9 ms	1388 KB	Output is correct
15	Correct	11 ms	1388 KB	Output is correct
16	Correct	9 ms	1516 KB	Output is correct
17	Correct	6 ms	1132 KB	Output is correct
18	Correct	7 ms	1260 KB	Output is correct
19	Correct	8 ms	1260 KB	Output is correct
20	Correct	9 ms	1388 KB	Output is correct
21	Correct	27 ms	1900 KB	Output is correct
22	Correct	34 ms	2156 KB	Output is correct
23	Correct	19 ms	1772 KB	Output is correct
24	Correct	55 ms	2540 KB	Output is correct
25	Correct	54 ms	2412 KB	Output is correct
26	Correct	67 ms	2540 KB	Output is correct
27	Correct	58 ms	2540 KB	Output is correct
28	Correct	59 ms	2668 KB	Output is correct
29	Correct	60 ms	2552 KB	Output is correct
30	Correct	58 ms	2540 KB	Output is correct
31	Correct	59 ms	2540 KB	Output is correct
32	Correct	74 ms	2540 KB	Output is correct
33	Correct	64 ms	2540 KB	Output is correct
34	Correct	62 ms	2540 KB	Output is correct
35	Correct	58 ms	2540 KB	Output is correct
36	Correct	59 ms	2540 KB	Output is correct
37	Correct	226 ms	4204 KB	Output is correct
38	Correct	227 ms	4228 KB	Output is correct
39	Correct	328 ms	4844 KB	Output is correct
40	Correct	409 ms	5484 KB	Output is correct
41	Correct	401 ms	5164 KB	Output is correct
42	Correct	364 ms	5148 KB	Output is correct
43	Correct	348 ms	5356 KB	Output is correct
44	Correct	364 ms	5260 KB	Output is correct
45	Correct	363 ms	5228 KB	Output is correct
46	Correct	410 ms	5228 KB	Output is correct
47	Correct	355 ms	5100 KB	Output is correct
48	Correct	355 ms	5356 KB	Output is correct
49	Correct	344 ms	4972 KB	Output is correct
50	Correct	358 ms	5100 KB	Output is correct
51	Correct	336 ms	4332 KB	Output is correct
52	Correct	422 ms	5612 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	1004 KB	Output is correct
2	Correct	5 ms	1132 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	4 ms	1024 KB	Output is correct
5	Correct	5 ms	1152 KB	Output is correct
6	Correct	5 ms	1016 KB	Output is correct
7	Correct	5 ms	1004 KB	Output is correct
8	Correct	5 ms	1132 KB	Output is correct
9	Correct	5 ms	1004 KB	Output is correct
10	Correct	9 ms	1388 KB	Output is correct
11	Correct	9 ms	1388 KB	Output is correct
12	Correct	11 ms	1388 KB	Output is correct
13	Correct	10 ms	1260 KB	Output is correct
14	Correct	9 ms	1388 KB	Output is correct
15	Correct	11 ms	1388 KB	Output is correct
16	Correct	9 ms	1516 KB	Output is correct
17	Correct	6 ms	1132 KB	Output is correct
18	Correct	7 ms	1260 KB	Output is correct
19	Correct	8 ms	1260 KB	Output is correct
20	Correct	9 ms	1388 KB	Output is correct
21	Correct	27 ms	1900 KB	Output is correct
22	Correct	34 ms	2156 KB	Output is correct
23	Correct	19 ms	1772 KB	Output is correct
24	Correct	55 ms	2540 KB	Output is correct
25	Correct	54 ms	2412 KB	Output is correct
26	Correct	67 ms	2540 KB	Output is correct
27	Correct	58 ms	2540 KB	Output is correct
28	Correct	59 ms	2668 KB	Output is correct
29	Correct	60 ms	2552 KB	Output is correct
30	Correct	58 ms	2540 KB	Output is correct
31	Correct	59 ms	2540 KB	Output is correct
32	Correct	74 ms	2540 KB	Output is correct
33	Correct	64 ms	2540 KB	Output is correct
34	Correct	62 ms	2540 KB	Output is correct
35	Correct	58 ms	2540 KB	Output is correct
36	Correct	59 ms	2540 KB	Output is correct
37	Correct	226 ms	4204 KB	Output is correct
38	Correct	227 ms	4228 KB	Output is correct
39	Correct	328 ms	4844 KB	Output is correct
40	Correct	409 ms	5484 KB	Output is correct
41	Correct	401 ms	5164 KB	Output is correct
42	Correct	364 ms	5148 KB	Output is correct
43	Correct	348 ms	5356 KB	Output is correct
44	Correct	364 ms	5260 KB	Output is correct
45	Correct	363 ms	5228 KB	Output is correct
46	Correct	410 ms	5228 KB	Output is correct
47	Correct	355 ms	5100 KB	Output is correct
48	Correct	355 ms	5356 KB	Output is correct
49	Correct	344 ms	4972 KB	Output is correct
50	Correct	358 ms	5100 KB	Output is correct
51	Correct	336 ms	4332 KB	Output is correct
52	Correct	422 ms	5612 KB	Output is correct
53	Correct	516 ms	5996 KB	Output is correct
54	Correct	696 ms	7132 KB	Output is correct
55	Correct	727 ms	7152 KB	Output is correct
56	Correct	543 ms	6252 KB	Output is correct
57	Correct	741 ms	7128 KB	Output is correct
58	Correct	700 ms	7020 KB	Output is correct
59	Correct	774 ms	7048 KB	Output is correct
60	Correct	657 ms	6124 KB	Output is correct
61	Correct	724 ms	7176 KB	Output is correct
62	Correct	608 ms	6640 KB	Output is correct
63	Correct	626 ms	6640 KB	Output is correct
64	Correct	608 ms	6512 KB	Output is correct
65	Correct	536 ms	6124 KB	Output is correct
66	Correct	519 ms	5868 KB	Output is correct

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	1004 KB	Output is correct
2	Correct	5 ms	1132 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	4 ms	1024 KB	Output is correct
5	Correct	5 ms	1152 KB	Output is correct
6	Correct	5 ms	1016 KB	Output is correct
7	Correct	5 ms	1004 KB	Output is correct
8	Correct	5 ms	1132 KB	Output is correct
9	Correct	5 ms	1004 KB	Output is correct
10	Correct	9 ms	1388 KB	Output is correct
11	Correct	9 ms	1388 KB	Output is correct
12	Correct	11 ms	1388 KB	Output is correct
13	Correct	10 ms	1260 KB	Output is correct
14	Correct	9 ms	1388 KB	Output is correct
15	Correct	11 ms	1388 KB	Output is correct
16	Correct	9 ms	1516 KB	Output is correct
17	Correct	6 ms	1132 KB	Output is correct
18	Correct	7 ms	1260 KB	Output is correct
19	Correct	8 ms	1260 KB	Output is correct
20	Correct	9 ms	1388 KB	Output is correct
21	Correct	27 ms	1900 KB	Output is correct
22	Correct	34 ms	2156 KB	Output is correct
23	Correct	19 ms	1772 KB	Output is correct
24	Correct	55 ms	2540 KB	Output is correct
25	Correct	54 ms	2412 KB	Output is correct
26	Correct	67 ms	2540 KB	Output is correct
27	Correct	58 ms	2540 KB	Output is correct
28	Correct	59 ms	2668 KB	Output is correct
29	Correct	60 ms	2552 KB	Output is correct
30	Correct	58 ms	2540 KB	Output is correct
31	Correct	59 ms	2540 KB	Output is correct
32	Correct	74 ms	2540 KB	Output is correct
33	Correct	64 ms	2540 KB	Output is correct
34	Correct	62 ms	2540 KB	Output is correct
35	Correct	58 ms	2540 KB	Output is correct
36	Correct	59 ms	2540 KB	Output is correct
37	Correct	226 ms	4204 KB	Output is correct
38	Correct	227 ms	4228 KB	Output is correct
39	Correct	328 ms	4844 KB	Output is correct
40	Correct	409 ms	5484 KB	Output is correct
41	Correct	401 ms	5164 KB	Output is correct
42	Correct	364 ms	5148 KB	Output is correct
43	Correct	348 ms	5356 KB	Output is correct
44	Correct	364 ms	5260 KB	Output is correct
45	Correct	363 ms	5228 KB	Output is correct
46	Correct	410 ms	5228 KB	Output is correct
47	Correct	355 ms	5100 KB	Output is correct
48	Correct	355 ms	5356 KB	Output is correct
49	Correct	344 ms	4972 KB	Output is correct
50	Correct	358 ms	5100 KB	Output is correct
51	Correct	336 ms	4332 KB	Output is correct
52	Correct	422 ms	5612 KB	Output is correct
53	Correct	516 ms	5996 KB	Output is correct
54	Correct	696 ms	7132 KB	Output is correct
55	Correct	727 ms	7152 KB	Output is correct
56	Correct	543 ms	6252 KB	Output is correct
57	Correct	741 ms	7128 KB	Output is correct
58	Correct	700 ms	7020 KB	Output is correct
59	Correct	774 ms	7048 KB	Output is correct
60	Correct	657 ms	6124 KB	Output is correct
61	Correct	724 ms	7176 KB	Output is correct
62	Correct	608 ms	6640 KB	Output is correct
63	Correct	626 ms	6640 KB	Output is correct
64	Correct	608 ms	6512 KB	Output is correct
65	Correct	536 ms	6124 KB	Output is correct
66	Correct	519 ms	5868 KB	Output is correct
67	Correct	945 ms	7900 KB	Output is correct
68	Execution timed out	1085 ms	6928 KB	Time limit exceeded
69	Halted	0 ms	0 KB	-

답안 #343381

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 15.0 / 15.0

Subtask #4 16.0 / 16.0

Subtask #5 21.0 / 21.0

Subtask #6 0 / 35.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
15.0 / 15.0

Subtask #4
16.0 / 16.0

Subtask #5
21.0 / 21.0

Subtask #6
0 / 35.0