답안 #343642

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
343642	2021-01-04T10:23:51 Z	Kalashnikov	Bootfall (IZhO17_bootfall)	C++17	65 / 100	1000 ms	7536 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 <= sum; i ++) ord[i] = i;
	random_shuffle(ord , ord+sum+1);
	int t = 0;
	for(int i1 = 0; i1 <= sum+1; i1 ++) {
		t ++;
		int i = ord[i1];
		int ok = 1;
		for(int j = 1; j <= n; j ++) {
			t ++;
			int cur = sum-a[j]+i;
			if(cur%2 || !dp[j][cur/2]) {
				ok = 0;
				break;
			}
		}
		if(t == 1e7) {
			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:72:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   72 | 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:73:2: note: in expansion of macro 'file'
   73 |  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:73:2: note: in expansion of macro 'file'
   73 |  file("subsequence");
      |  ^~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	1 ms	492 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	492 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	1 ms	492 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	2 ms	620 KB	Output is correct
9	Correct	1 ms	492 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	1 ms	492 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	492 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	1 ms	492 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	2 ms	620 KB	Output is correct
9	Correct	1 ms	492 KB	Output is correct
10	Correct	6 ms	876 KB	Output is correct
11	Correct	6 ms	876 KB	Output is correct
12	Correct	6 ms	876 KB	Output is correct
13	Correct	4 ms	748 KB	Output is correct
14	Correct	5 ms	876 KB	Output is correct
15	Correct	7 ms	876 KB	Output is correct
16	Correct	6 ms	876 KB	Output is correct
17	Correct	4 ms	620 KB	Output is correct
18	Correct	4 ms	748 KB	Output is correct
19	Correct	4 ms	748 KB	Output is correct
20	Correct	6 ms	876 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	1 ms	492 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	492 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	1 ms	492 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	2 ms	620 KB	Output is correct
9	Correct	1 ms	492 KB	Output is correct
10	Correct	6 ms	876 KB	Output is correct
11	Correct	6 ms	876 KB	Output is correct
12	Correct	6 ms	876 KB	Output is correct
13	Correct	4 ms	748 KB	Output is correct
14	Correct	5 ms	876 KB	Output is correct
15	Correct	7 ms	876 KB	Output is correct
16	Correct	6 ms	876 KB	Output is correct
17	Correct	4 ms	620 KB	Output is correct
18	Correct	4 ms	748 KB	Output is correct
19	Correct	4 ms	748 KB	Output is correct
20	Correct	6 ms	876 KB	Output is correct
21	Correct	23 ms	1388 KB	Output is correct
22	Correct	31 ms	1644 KB	Output is correct
23	Correct	15 ms	1260 KB	Output is correct
24	Correct	50 ms	1900 KB	Output is correct
25	Correct	51 ms	1912 KB	Output is correct
26	Correct	57 ms	2284 KB	Output is correct
27	Correct	56 ms	2028 KB	Output is correct
28	Correct	55 ms	2028 KB	Output is correct
29	Correct	57 ms	2028 KB	Output is correct
30	Correct	57 ms	2044 KB	Output is correct
31	Correct	56 ms	2028 KB	Output is correct
32	Correct	72 ms	2028 KB	Output is correct
33	Correct	55 ms	2028 KB	Output is correct
34	Correct	56 ms	2028 KB	Output is correct
35	Correct	56 ms	2156 KB	Output is correct
36	Correct	56 ms	2028 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	1 ms	492 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	492 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	1 ms	492 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	2 ms	620 KB	Output is correct
9	Correct	1 ms	492 KB	Output is correct
10	Correct	6 ms	876 KB	Output is correct
11	Correct	6 ms	876 KB	Output is correct
12	Correct	6 ms	876 KB	Output is correct
13	Correct	4 ms	748 KB	Output is correct
14	Correct	5 ms	876 KB	Output is correct
15	Correct	7 ms	876 KB	Output is correct
16	Correct	6 ms	876 KB	Output is correct
17	Correct	4 ms	620 KB	Output is correct
18	Correct	4 ms	748 KB	Output is correct
19	Correct	4 ms	748 KB	Output is correct
20	Correct	6 ms	876 KB	Output is correct
21	Correct	23 ms	1388 KB	Output is correct
22	Correct	31 ms	1644 KB	Output is correct
23	Correct	15 ms	1260 KB	Output is correct
24	Correct	50 ms	1900 KB	Output is correct
25	Correct	51 ms	1912 KB	Output is correct
26	Correct	57 ms	2284 KB	Output is correct
27	Correct	56 ms	2028 KB	Output is correct
28	Correct	55 ms	2028 KB	Output is correct
29	Correct	57 ms	2028 KB	Output is correct
30	Correct	57 ms	2044 KB	Output is correct
31	Correct	56 ms	2028 KB	Output is correct
32	Correct	72 ms	2028 KB	Output is correct
33	Correct	55 ms	2028 KB	Output is correct
34	Correct	56 ms	2028 KB	Output is correct
35	Correct	56 ms	2156 KB	Output is correct
36	Correct	56 ms	2028 KB	Output is correct
37	Correct	222 ms	3820 KB	Output is correct
38	Correct	225 ms	3868 KB	Output is correct
39	Correct	328 ms	4612 KB	Output is correct
40	Correct	415 ms	5012 KB	Output is correct
41	Correct	399 ms	4972 KB	Output is correct
42	Correct	355 ms	4716 KB	Output is correct
43	Correct	346 ms	4844 KB	Output is correct
44	Correct	365 ms	4972 KB	Output is correct
45	Correct	377 ms	4956 KB	Output is correct
46	Correct	391 ms	4844 KB	Output is correct
47	Correct	351 ms	4716 KB	Output is correct
48	Correct	361 ms	4972 KB	Output is correct
49	Correct	341 ms	4716 KB	Output is correct
50	Correct	353 ms	4716 KB	Output is correct
51	Correct	332 ms	4332 KB	Output is correct
52	Correct	430 ms	5484 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	1 ms	492 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	492 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	1 ms	492 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	2 ms	620 KB	Output is correct
9	Correct	1 ms	492 KB	Output is correct
10	Correct	6 ms	876 KB	Output is correct
11	Correct	6 ms	876 KB	Output is correct
12	Correct	6 ms	876 KB	Output is correct
13	Correct	4 ms	748 KB	Output is correct
14	Correct	5 ms	876 KB	Output is correct
15	Correct	7 ms	876 KB	Output is correct
16	Correct	6 ms	876 KB	Output is correct
17	Correct	4 ms	620 KB	Output is correct
18	Correct	4 ms	748 KB	Output is correct
19	Correct	4 ms	748 KB	Output is correct
20	Correct	6 ms	876 KB	Output is correct
21	Correct	23 ms	1388 KB	Output is correct
22	Correct	31 ms	1644 KB	Output is correct
23	Correct	15 ms	1260 KB	Output is correct
24	Correct	50 ms	1900 KB	Output is correct
25	Correct	51 ms	1912 KB	Output is correct
26	Correct	57 ms	2284 KB	Output is correct
27	Correct	56 ms	2028 KB	Output is correct
28	Correct	55 ms	2028 KB	Output is correct
29	Correct	57 ms	2028 KB	Output is correct
30	Correct	57 ms	2044 KB	Output is correct
31	Correct	56 ms	2028 KB	Output is correct
32	Correct	72 ms	2028 KB	Output is correct
33	Correct	55 ms	2028 KB	Output is correct
34	Correct	56 ms	2028 KB	Output is correct
35	Correct	56 ms	2156 KB	Output is correct
36	Correct	56 ms	2028 KB	Output is correct
37	Correct	222 ms	3820 KB	Output is correct
38	Correct	225 ms	3868 KB	Output is correct
39	Correct	328 ms	4612 KB	Output is correct
40	Correct	415 ms	5012 KB	Output is correct
41	Correct	399 ms	4972 KB	Output is correct
42	Correct	355 ms	4716 KB	Output is correct
43	Correct	346 ms	4844 KB	Output is correct
44	Correct	365 ms	4972 KB	Output is correct
45	Correct	377 ms	4956 KB	Output is correct
46	Correct	391 ms	4844 KB	Output is correct
47	Correct	351 ms	4716 KB	Output is correct
48	Correct	361 ms	4972 KB	Output is correct
49	Correct	341 ms	4716 KB	Output is correct
50	Correct	353 ms	4716 KB	Output is correct
51	Correct	332 ms	4332 KB	Output is correct
52	Correct	430 ms	5484 KB	Output is correct
53	Correct	519 ms	5740 KB	Output is correct
54	Correct	704 ms	6636 KB	Output is correct
55	Correct	732 ms	7300 KB	Output is correct
56	Correct	548 ms	5868 KB	Output is correct
57	Correct	746 ms	7104 KB	Output is correct
58	Correct	700 ms	6616 KB	Output is correct
59	Correct	721 ms	6896 KB	Output is correct
60	Correct	657 ms	6252 KB	Output is correct
61	Correct	719 ms	6816 KB	Output is correct
62	Correct	616 ms	6512 KB	Output is correct
63	Correct	627 ms	6512 KB	Output is correct
64	Correct	604 ms	6428 KB	Output is correct
65	Correct	538 ms	5740 KB	Output is correct
66	Correct	515 ms	5612 KB	Output is correct

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	1 ms	492 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	492 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	1 ms	492 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	2 ms	620 KB	Output is correct
9	Correct	1 ms	492 KB	Output is correct
10	Correct	6 ms	876 KB	Output is correct
11	Correct	6 ms	876 KB	Output is correct
12	Correct	6 ms	876 KB	Output is correct
13	Correct	4 ms	748 KB	Output is correct
14	Correct	5 ms	876 KB	Output is correct
15	Correct	7 ms	876 KB	Output is correct
16	Correct	6 ms	876 KB	Output is correct
17	Correct	4 ms	620 KB	Output is correct
18	Correct	4 ms	748 KB	Output is correct
19	Correct	4 ms	748 KB	Output is correct
20	Correct	6 ms	876 KB	Output is correct
21	Correct	23 ms	1388 KB	Output is correct
22	Correct	31 ms	1644 KB	Output is correct
23	Correct	15 ms	1260 KB	Output is correct
24	Correct	50 ms	1900 KB	Output is correct
25	Correct	51 ms	1912 KB	Output is correct
26	Correct	57 ms	2284 KB	Output is correct
27	Correct	56 ms	2028 KB	Output is correct
28	Correct	55 ms	2028 KB	Output is correct
29	Correct	57 ms	2028 KB	Output is correct
30	Correct	57 ms	2044 KB	Output is correct
31	Correct	56 ms	2028 KB	Output is correct
32	Correct	72 ms	2028 KB	Output is correct
33	Correct	55 ms	2028 KB	Output is correct
34	Correct	56 ms	2028 KB	Output is correct
35	Correct	56 ms	2156 KB	Output is correct
36	Correct	56 ms	2028 KB	Output is correct
37	Correct	222 ms	3820 KB	Output is correct
38	Correct	225 ms	3868 KB	Output is correct
39	Correct	328 ms	4612 KB	Output is correct
40	Correct	415 ms	5012 KB	Output is correct
41	Correct	399 ms	4972 KB	Output is correct
42	Correct	355 ms	4716 KB	Output is correct
43	Correct	346 ms	4844 KB	Output is correct
44	Correct	365 ms	4972 KB	Output is correct
45	Correct	377 ms	4956 KB	Output is correct
46	Correct	391 ms	4844 KB	Output is correct
47	Correct	351 ms	4716 KB	Output is correct
48	Correct	361 ms	4972 KB	Output is correct
49	Correct	341 ms	4716 KB	Output is correct
50	Correct	353 ms	4716 KB	Output is correct
51	Correct	332 ms	4332 KB	Output is correct
52	Correct	430 ms	5484 KB	Output is correct
53	Correct	519 ms	5740 KB	Output is correct
54	Correct	704 ms	6636 KB	Output is correct
55	Correct	732 ms	7300 KB	Output is correct
56	Correct	548 ms	5868 KB	Output is correct
57	Correct	746 ms	7104 KB	Output is correct
58	Correct	700 ms	6616 KB	Output is correct
59	Correct	721 ms	6896 KB	Output is correct
60	Correct	657 ms	6252 KB	Output is correct
61	Correct	719 ms	6816 KB	Output is correct
62	Correct	616 ms	6512 KB	Output is correct
63	Correct	627 ms	6512 KB	Output is correct
64	Correct	604 ms	6428 KB	Output is correct
65	Correct	538 ms	5740 KB	Output is correct
66	Correct	515 ms	5612 KB	Output is correct
67	Correct	943 ms	7536 KB	Output is correct
68	Execution timed out	1086 ms	6860 KB	Time limit exceeded
69	Halted	0 ms	0 KB	-

답안 #343642

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