답안 #343641

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
343641	2021-01-04T10:22:55 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 == 5e7) {
			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	2 ms	620 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	2 ms	620 KB	Output is correct
10	Correct	6 ms	876 KB	Output is correct
11	Correct	7 ms	876 KB	Output is correct
12	Correct	6 ms	876 KB	Output is correct
13	Correct	5 ms	748 KB	Output is correct
14	Correct	5 ms	876 KB	Output is correct
15	Correct	5 ms	876 KB	Output is correct
16	Correct	6 ms	876 KB	Output is correct
17	Correct	3 ms	620 KB	Output is correct
18	Correct	4 ms	748 KB	Output is correct
19	Correct	5 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	2 ms	620 KB	Output is correct
10	Correct	6 ms	876 KB	Output is correct
11	Correct	7 ms	876 KB	Output is correct
12	Correct	6 ms	876 KB	Output is correct
13	Correct	5 ms	748 KB	Output is correct
14	Correct	5 ms	876 KB	Output is correct
15	Correct	5 ms	876 KB	Output is correct
16	Correct	6 ms	876 KB	Output is correct
17	Correct	3 ms	620 KB	Output is correct
18	Correct	4 ms	748 KB	Output is correct
19	Correct	5 ms	748 KB	Output is correct
20	Correct	6 ms	876 KB	Output is correct
21	Correct	24 ms	1516 KB	Output is correct
22	Correct	31 ms	1616 KB	Output is correct
23	Correct	15 ms	1260 KB	Output is correct
24	Correct	51 ms	1900 KB	Output is correct
25	Correct	50 ms	2024 KB	Output is correct
26	Correct	56 ms	2156 KB	Output is correct
27	Correct	55 ms	2028 KB	Output is correct
28	Correct	55 ms	2028 KB	Output is correct
29	Correct	55 ms	2028 KB	Output is correct
30	Correct	67 ms	2028 KB	Output is correct
31	Correct	74 ms	2124 KB	Output is correct
32	Correct	56 ms	2028 KB	Output is correct
33	Correct	55 ms	2156 KB	Output is correct
34	Correct	55 ms	2048 KB	Output is correct
35	Correct	55 ms	2028 KB	Output is correct
36	Correct	55 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	2 ms	620 KB	Output is correct
10	Correct	6 ms	876 KB	Output is correct
11	Correct	7 ms	876 KB	Output is correct
12	Correct	6 ms	876 KB	Output is correct
13	Correct	5 ms	748 KB	Output is correct
14	Correct	5 ms	876 KB	Output is correct
15	Correct	5 ms	876 KB	Output is correct
16	Correct	6 ms	876 KB	Output is correct
17	Correct	3 ms	620 KB	Output is correct
18	Correct	4 ms	748 KB	Output is correct
19	Correct	5 ms	748 KB	Output is correct
20	Correct	6 ms	876 KB	Output is correct
21	Correct	24 ms	1516 KB	Output is correct
22	Correct	31 ms	1616 KB	Output is correct
23	Correct	15 ms	1260 KB	Output is correct
24	Correct	51 ms	1900 KB	Output is correct
25	Correct	50 ms	2024 KB	Output is correct
26	Correct	56 ms	2156 KB	Output is correct
27	Correct	55 ms	2028 KB	Output is correct
28	Correct	55 ms	2028 KB	Output is correct
29	Correct	55 ms	2028 KB	Output is correct
30	Correct	67 ms	2028 KB	Output is correct
31	Correct	74 ms	2124 KB	Output is correct
32	Correct	56 ms	2028 KB	Output is correct
33	Correct	55 ms	2156 KB	Output is correct
34	Correct	55 ms	2048 KB	Output is correct
35	Correct	55 ms	2028 KB	Output is correct
36	Correct	55 ms	2028 KB	Output is correct
37	Correct	225 ms	3820 KB	Output is correct
38	Correct	225 ms	3820 KB	Output is correct
39	Correct	329 ms	4588 KB	Output is correct
40	Correct	433 ms	5228 KB	Output is correct
41	Correct	395 ms	5100 KB	Output is correct
42	Correct	351 ms	4844 KB	Output is correct
43	Correct	365 ms	4844 KB	Output is correct
44	Correct	362 ms	4972 KB	Output is correct
45	Correct	377 ms	5228 KB	Output is correct
46	Correct	383 ms	4844 KB	Output is correct
47	Correct	349 ms	4716 KB	Output is correct
48	Correct	357 ms	5100 KB	Output is correct
49	Correct	341 ms	4844 KB	Output is correct
50	Correct	362 ms	4688 KB	Output is correct
51	Correct	339 ms	4460 KB	Output is correct
52	Correct	431 ms	5356 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	2 ms	620 KB	Output is correct
10	Correct	6 ms	876 KB	Output is correct
11	Correct	7 ms	876 KB	Output is correct
12	Correct	6 ms	876 KB	Output is correct
13	Correct	5 ms	748 KB	Output is correct
14	Correct	5 ms	876 KB	Output is correct
15	Correct	5 ms	876 KB	Output is correct
16	Correct	6 ms	876 KB	Output is correct
17	Correct	3 ms	620 KB	Output is correct
18	Correct	4 ms	748 KB	Output is correct
19	Correct	5 ms	748 KB	Output is correct
20	Correct	6 ms	876 KB	Output is correct
21	Correct	24 ms	1516 KB	Output is correct
22	Correct	31 ms	1616 KB	Output is correct
23	Correct	15 ms	1260 KB	Output is correct
24	Correct	51 ms	1900 KB	Output is correct
25	Correct	50 ms	2024 KB	Output is correct
26	Correct	56 ms	2156 KB	Output is correct
27	Correct	55 ms	2028 KB	Output is correct
28	Correct	55 ms	2028 KB	Output is correct
29	Correct	55 ms	2028 KB	Output is correct
30	Correct	67 ms	2028 KB	Output is correct
31	Correct	74 ms	2124 KB	Output is correct
32	Correct	56 ms	2028 KB	Output is correct
33	Correct	55 ms	2156 KB	Output is correct
34	Correct	55 ms	2048 KB	Output is correct
35	Correct	55 ms	2028 KB	Output is correct
36	Correct	55 ms	2028 KB	Output is correct
37	Correct	225 ms	3820 KB	Output is correct
38	Correct	225 ms	3820 KB	Output is correct
39	Correct	329 ms	4588 KB	Output is correct
40	Correct	433 ms	5228 KB	Output is correct
41	Correct	395 ms	5100 KB	Output is correct
42	Correct	351 ms	4844 KB	Output is correct
43	Correct	365 ms	4844 KB	Output is correct
44	Correct	362 ms	4972 KB	Output is correct
45	Correct	377 ms	5228 KB	Output is correct
46	Correct	383 ms	4844 KB	Output is correct
47	Correct	349 ms	4716 KB	Output is correct
48	Correct	357 ms	5100 KB	Output is correct
49	Correct	341 ms	4844 KB	Output is correct
50	Correct	362 ms	4688 KB	Output is correct
51	Correct	339 ms	4460 KB	Output is correct
52	Correct	431 ms	5356 KB	Output is correct
53	Correct	525 ms	5868 KB	Output is correct
54	Correct	694 ms	6764 KB	Output is correct
55	Correct	733 ms	7152 KB	Output is correct
56	Correct	553 ms	6036 KB	Output is correct
57	Correct	743 ms	7160 KB	Output is correct
58	Correct	727 ms	6912 KB	Output is correct
59	Correct	736 ms	6768 KB	Output is correct
60	Correct	658 ms	6124 KB	Output is correct
61	Correct	727 ms	6956 KB	Output is correct
62	Correct	612 ms	6640 KB	Output is correct
63	Correct	648 ms	6512 KB	Output is correct
64	Correct	617 ms	6384 KB	Output is correct
65	Correct	543 ms	5740 KB	Output is correct
66	Correct	525 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	2 ms	620 KB	Output is correct
10	Correct	6 ms	876 KB	Output is correct
11	Correct	7 ms	876 KB	Output is correct
12	Correct	6 ms	876 KB	Output is correct
13	Correct	5 ms	748 KB	Output is correct
14	Correct	5 ms	876 KB	Output is correct
15	Correct	5 ms	876 KB	Output is correct
16	Correct	6 ms	876 KB	Output is correct
17	Correct	3 ms	620 KB	Output is correct
18	Correct	4 ms	748 KB	Output is correct
19	Correct	5 ms	748 KB	Output is correct
20	Correct	6 ms	876 KB	Output is correct
21	Correct	24 ms	1516 KB	Output is correct
22	Correct	31 ms	1616 KB	Output is correct
23	Correct	15 ms	1260 KB	Output is correct
24	Correct	51 ms	1900 KB	Output is correct
25	Correct	50 ms	2024 KB	Output is correct
26	Correct	56 ms	2156 KB	Output is correct
27	Correct	55 ms	2028 KB	Output is correct
28	Correct	55 ms	2028 KB	Output is correct
29	Correct	55 ms	2028 KB	Output is correct
30	Correct	67 ms	2028 KB	Output is correct
31	Correct	74 ms	2124 KB	Output is correct
32	Correct	56 ms	2028 KB	Output is correct
33	Correct	55 ms	2156 KB	Output is correct
34	Correct	55 ms	2048 KB	Output is correct
35	Correct	55 ms	2028 KB	Output is correct
36	Correct	55 ms	2028 KB	Output is correct
37	Correct	225 ms	3820 KB	Output is correct
38	Correct	225 ms	3820 KB	Output is correct
39	Correct	329 ms	4588 KB	Output is correct
40	Correct	433 ms	5228 KB	Output is correct
41	Correct	395 ms	5100 KB	Output is correct
42	Correct	351 ms	4844 KB	Output is correct
43	Correct	365 ms	4844 KB	Output is correct
44	Correct	362 ms	4972 KB	Output is correct
45	Correct	377 ms	5228 KB	Output is correct
46	Correct	383 ms	4844 KB	Output is correct
47	Correct	349 ms	4716 KB	Output is correct
48	Correct	357 ms	5100 KB	Output is correct
49	Correct	341 ms	4844 KB	Output is correct
50	Correct	362 ms	4688 KB	Output is correct
51	Correct	339 ms	4460 KB	Output is correct
52	Correct	431 ms	5356 KB	Output is correct
53	Correct	525 ms	5868 KB	Output is correct
54	Correct	694 ms	6764 KB	Output is correct
55	Correct	733 ms	7152 KB	Output is correct
56	Correct	553 ms	6036 KB	Output is correct
57	Correct	743 ms	7160 KB	Output is correct
58	Correct	727 ms	6912 KB	Output is correct
59	Correct	736 ms	6768 KB	Output is correct
60	Correct	658 ms	6124 KB	Output is correct
61	Correct	727 ms	6956 KB	Output is correct
62	Correct	612 ms	6640 KB	Output is correct
63	Correct	648 ms	6512 KB	Output is correct
64	Correct	617 ms	6384 KB	Output is correct
65	Correct	543 ms	5740 KB	Output is correct
66	Correct	525 ms	5612 KB	Output is correct
67	Correct	945 ms	7536 KB	Output is correct
68	Execution timed out	1085 ms	6908 KB	Time limit exceeded
69	Halted	0 ms	0 KB	-

답안 #343641

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