Submission #343378

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
343378	2021-01-03T19:49:10 Z	Kalashnikov	Bootfall (IZhO17_bootfall)	C++17	44 / 100	1000 ms	10236 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];

bitset<250010> dp[N];

void solve() {
	int n;
	cin >> n;
	int sum = 0;
	for(int i = 1; i <= n; i ++) {
		cin >> a[i];
		sum += a[i];
	}
	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 ++) {
		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);
	}
	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:59:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   59 | 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:60:2: note: in expansion of macro 'file'
   60 |  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:60:2: note: in expansion of macro 'file'
   60 |  file("subsequence");
      |  ^~~~

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	1 ms	620 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	492 KB	Output is correct
5	Correct	4 ms	748 KB	Output is correct
6	Correct	1 ms	620 KB	Output is correct
7	Correct	1 ms	620 KB	Output is correct
8	Correct	2 ms	748 KB	Output is correct
9	Correct	2 ms	748 KB	Output is correct

Subtask #2
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	1 ms	620 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	492 KB	Output is correct
5	Correct	4 ms	748 KB	Output is correct
6	Correct	1 ms	620 KB	Output is correct
7	Correct	1 ms	620 KB	Output is correct
8	Correct	2 ms	748 KB	Output is correct
9	Correct	2 ms	748 KB	Output is correct
10	Correct	11 ms	1388 KB	Output is correct
11	Correct	11 ms	1388 KB	Output is correct
12	Correct	15 ms	1388 KB	Output is correct
13	Correct	9 ms	1260 KB	Output is correct
14	Correct	10 ms	1260 KB	Output is correct
15	Correct	10 ms	1260 KB	Output is correct
16	Correct	11 ms	1388 KB	Output is correct
17	Correct	4 ms	1004 KB	Output is correct
18	Correct	7 ms	1132 KB	Output is correct
19	Correct	8 ms	1280 KB	Output is correct
20	Correct	11 ms	1388 KB	Output is correct

Subtask #3
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	1 ms	620 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	492 KB	Output is correct
5	Correct	4 ms	748 KB	Output is correct
6	Correct	1 ms	620 KB	Output is correct
7	Correct	1 ms	620 KB	Output is correct
8	Correct	2 ms	748 KB	Output is correct
9	Correct	2 ms	748 KB	Output is correct
10	Correct	11 ms	1388 KB	Output is correct
11	Correct	11 ms	1388 KB	Output is correct
12	Correct	15 ms	1388 KB	Output is correct
13	Correct	9 ms	1260 KB	Output is correct
14	Correct	10 ms	1260 KB	Output is correct
15	Correct	10 ms	1260 KB	Output is correct
16	Correct	11 ms	1388 KB	Output is correct
17	Correct	4 ms	1004 KB	Output is correct
18	Correct	7 ms	1132 KB	Output is correct
19	Correct	8 ms	1280 KB	Output is correct
20	Correct	11 ms	1388 KB	Output is correct
21	Correct	51 ms	2472 KB	Output is correct
22	Correct	62 ms	2796 KB	Output is correct
23	Correct	30 ms	2028 KB	Output is correct
24	Correct	99 ms	3308 KB	Output is correct
25	Correct	98 ms	3436 KB	Output is correct
26	Correct	111 ms	3584 KB	Output is correct
27	Correct	112 ms	3584 KB	Output is correct
28	Correct	111 ms	3564 KB	Output is correct
29	Correct	110 ms	3436 KB	Output is correct
30	Correct	109 ms	3436 KB	Output is correct
31	Correct	113 ms	3564 KB	Output is correct
32	Correct	110 ms	3564 KB	Output is correct
33	Correct	109 ms	3436 KB	Output is correct
34	Correct	112 ms	3436 KB	Output is correct
35	Correct	110 ms	3564 KB	Output is correct
36	Correct	111 ms	3564 KB	Output is correct

Subtask #4
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	1 ms	620 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	492 KB	Output is correct
5	Correct	4 ms	748 KB	Output is correct
6	Correct	1 ms	620 KB	Output is correct
7	Correct	1 ms	620 KB	Output is correct
8	Correct	2 ms	748 KB	Output is correct
9	Correct	2 ms	748 KB	Output is correct
10	Correct	11 ms	1388 KB	Output is correct
11	Correct	11 ms	1388 KB	Output is correct
12	Correct	15 ms	1388 KB	Output is correct
13	Correct	9 ms	1260 KB	Output is correct
14	Correct	10 ms	1260 KB	Output is correct
15	Correct	10 ms	1260 KB	Output is correct
16	Correct	11 ms	1388 KB	Output is correct
17	Correct	4 ms	1004 KB	Output is correct
18	Correct	7 ms	1132 KB	Output is correct
19	Correct	8 ms	1280 KB	Output is correct
20	Correct	11 ms	1388 KB	Output is correct
21	Correct	51 ms	2472 KB	Output is correct
22	Correct	62 ms	2796 KB	Output is correct
23	Correct	30 ms	2028 KB	Output is correct
24	Correct	99 ms	3308 KB	Output is correct
25	Correct	98 ms	3436 KB	Output is correct
26	Correct	111 ms	3584 KB	Output is correct
27	Correct	112 ms	3584 KB	Output is correct
28	Correct	111 ms	3564 KB	Output is correct
29	Correct	110 ms	3436 KB	Output is correct
30	Correct	109 ms	3436 KB	Output is correct
31	Correct	113 ms	3564 KB	Output is correct
32	Correct	110 ms	3564 KB	Output is correct
33	Correct	109 ms	3436 KB	Output is correct
34	Correct	112 ms	3436 KB	Output is correct
35	Correct	110 ms	3564 KB	Output is correct
36	Correct	111 ms	3564 KB	Output is correct
37	Correct	441 ms	6764 KB	Output is correct
38	Correct	448 ms	6764 KB	Output is correct
39	Correct	672 ms	8044 KB	Output is correct
40	Correct	809 ms	9004 KB	Output is correct
41	Correct	798 ms	8812 KB	Output is correct
42	Correct	690 ms	8300 KB	Output is correct
43	Correct	664 ms	8300 KB	Output is correct
44	Correct	694 ms	8556 KB	Output is correct
45	Correct	700 ms	8684 KB	Output is correct
46	Correct	787 ms	8812 KB	Output is correct
47	Correct	690 ms	8300 KB	Output is correct
48	Correct	698 ms	8556 KB	Output is correct
49	Correct	680 ms	8172 KB	Output is correct
50	Correct	711 ms	8384 KB	Output is correct
51	Correct	681 ms	8300 KB	Output is correct
52	Correct	818 ms	9196 KB	Output is correct

Subtask #5
0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	1 ms	620 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	492 KB	Output is correct
5	Correct	4 ms	748 KB	Output is correct
6	Correct	1 ms	620 KB	Output is correct
7	Correct	1 ms	620 KB	Output is correct
8	Correct	2 ms	748 KB	Output is correct
9	Correct	2 ms	748 KB	Output is correct
10	Correct	11 ms	1388 KB	Output is correct
11	Correct	11 ms	1388 KB	Output is correct
12	Correct	15 ms	1388 KB	Output is correct
13	Correct	9 ms	1260 KB	Output is correct
14	Correct	10 ms	1260 KB	Output is correct
15	Correct	10 ms	1260 KB	Output is correct
16	Correct	11 ms	1388 KB	Output is correct
17	Correct	4 ms	1004 KB	Output is correct
18	Correct	7 ms	1132 KB	Output is correct
19	Correct	8 ms	1280 KB	Output is correct
20	Correct	11 ms	1388 KB	Output is correct
21	Correct	51 ms	2472 KB	Output is correct
22	Correct	62 ms	2796 KB	Output is correct
23	Correct	30 ms	2028 KB	Output is correct
24	Correct	99 ms	3308 KB	Output is correct
25	Correct	98 ms	3436 KB	Output is correct
26	Correct	111 ms	3584 KB	Output is correct
27	Correct	112 ms	3584 KB	Output is correct
28	Correct	111 ms	3564 KB	Output is correct
29	Correct	110 ms	3436 KB	Output is correct
30	Correct	109 ms	3436 KB	Output is correct
31	Correct	113 ms	3564 KB	Output is correct
32	Correct	110 ms	3564 KB	Output is correct
33	Correct	109 ms	3436 KB	Output is correct
34	Correct	112 ms	3436 KB	Output is correct
35	Correct	110 ms	3564 KB	Output is correct
36	Correct	111 ms	3564 KB	Output is correct
37	Correct	441 ms	6764 KB	Output is correct
38	Correct	448 ms	6764 KB	Output is correct
39	Correct	672 ms	8044 KB	Output is correct
40	Correct	809 ms	9004 KB	Output is correct
41	Correct	798 ms	8812 KB	Output is correct
42	Correct	690 ms	8300 KB	Output is correct
43	Correct	664 ms	8300 KB	Output is correct
44	Correct	694 ms	8556 KB	Output is correct
45	Correct	700 ms	8684 KB	Output is correct
46	Correct	787 ms	8812 KB	Output is correct
47	Correct	690 ms	8300 KB	Output is correct
48	Correct	698 ms	8556 KB	Output is correct
49	Correct	680 ms	8172 KB	Output is correct
50	Correct	711 ms	8384 KB	Output is correct
51	Correct	681 ms	8300 KB	Output is correct
52	Correct	818 ms	9196 KB	Output is correct
53	Execution timed out	1000 ms	10236 KB	Time limit exceeded
54	Halted	0 ms	0 KB	-

Subtask #6
0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	1 ms	620 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	492 KB	Output is correct
5	Correct	4 ms	748 KB	Output is correct
6	Correct	1 ms	620 KB	Output is correct
7	Correct	1 ms	620 KB	Output is correct
8	Correct	2 ms	748 KB	Output is correct
9	Correct	2 ms	748 KB	Output is correct
10	Correct	11 ms	1388 KB	Output is correct
11	Correct	11 ms	1388 KB	Output is correct
12	Correct	15 ms	1388 KB	Output is correct
13	Correct	9 ms	1260 KB	Output is correct
14	Correct	10 ms	1260 KB	Output is correct
15	Correct	10 ms	1260 KB	Output is correct
16	Correct	11 ms	1388 KB	Output is correct
17	Correct	4 ms	1004 KB	Output is correct
18	Correct	7 ms	1132 KB	Output is correct
19	Correct	8 ms	1280 KB	Output is correct
20	Correct	11 ms	1388 KB	Output is correct
21	Correct	51 ms	2472 KB	Output is correct
22	Correct	62 ms	2796 KB	Output is correct
23	Correct	30 ms	2028 KB	Output is correct
24	Correct	99 ms	3308 KB	Output is correct
25	Correct	98 ms	3436 KB	Output is correct
26	Correct	111 ms	3584 KB	Output is correct
27	Correct	112 ms	3584 KB	Output is correct
28	Correct	111 ms	3564 KB	Output is correct
29	Correct	110 ms	3436 KB	Output is correct
30	Correct	109 ms	3436 KB	Output is correct
31	Correct	113 ms	3564 KB	Output is correct
32	Correct	110 ms	3564 KB	Output is correct
33	Correct	109 ms	3436 KB	Output is correct
34	Correct	112 ms	3436 KB	Output is correct
35	Correct	110 ms	3564 KB	Output is correct
36	Correct	111 ms	3564 KB	Output is correct
37	Correct	441 ms	6764 KB	Output is correct
38	Correct	448 ms	6764 KB	Output is correct
39	Correct	672 ms	8044 KB	Output is correct
40	Correct	809 ms	9004 KB	Output is correct
41	Correct	798 ms	8812 KB	Output is correct
42	Correct	690 ms	8300 KB	Output is correct
43	Correct	664 ms	8300 KB	Output is correct
44	Correct	694 ms	8556 KB	Output is correct
45	Correct	700 ms	8684 KB	Output is correct
46	Correct	787 ms	8812 KB	Output is correct
47	Correct	690 ms	8300 KB	Output is correct
48	Correct	698 ms	8556 KB	Output is correct
49	Correct	680 ms	8172 KB	Output is correct
50	Correct	711 ms	8384 KB	Output is correct
51	Correct	681 ms	8300 KB	Output is correct
52	Correct	818 ms	9196 KB	Output is correct
53	Execution timed out	1000 ms	10236 KB	Time limit exceeded
54	Halted	0 ms	0 KB	-

Submission #343378

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 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
0 / 21.0

Subtask #6
0 / 35.0