답안 #697026

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
697026	2023-02-08T00:06:35 Z	allllekssssa	Bootfall (IZhO17_bootfall)	C++14	65 / 100	249 ms	8736 KB

bootfall

#include<bits/stdc++.h>
 
using namespace std;
 
const int maxN = 500 + 5;
const int bsSize = maxN * maxN + 10;
int n;
int a[maxN];
int cnt[maxN];
bitset<(bsSize >> 1)> dp[2][maxN], pre;
 
int main() {
 
	cin >> n;
    
	int sum = 0;
    int gc = 0;
	for (int i = 1; i<=n; i++) {
	    cin >> a[i];
		gc = __gcd(a[i], gc);
	}
 
	for (int i = 1; i<=n; i++) {
		a[i]/=gc;
		if ((a[i] & 1) == 0) {
			printf("0\n");
			return 0;
		}
		if (cnt[a[i]] == 0) cnt[a[i]] = i;
		sum+=a[i];
	}
 
	if (sum & 1) {
    	printf("0\n");
    	return 0;    	
    }
    
 
	for (int i = 1; i <= n + 1; i++) {
		dp[0][i].set(0);
	}
 
	for (int i = 1; i<=n; i++) {
		bool updated = false;
		for (int j = 1; j <= n + 1; j++) {
			if (j<= n && cnt[a[j]] != j) continue;
			
			if (i == j) {
				dp[i&1][j] = dp[(i&1) ^ 1][j];
			} else {
					if (updated) {
						dp[i&1][j] = pre;
					} else {
					dp[i&1][j] = dp[(i&1) ^ 1][j] | (dp[(i&1) ^ 1][j] << a[i]);
					if (i < j && !updated) {
			   			pre = dp[i&1][j];
			   			updated = true;
			   	    }
			   	}
			 }
		}
	}
 
 
	if (dp[n&1][n + 1][sum/2] == 0) {
		printf("0\n");
		return 0;
	}
 
    vector<int> ans;
 
	for (int i = 1; i <= sum; i+=2) {
		bool ok = true;
         
        for (int j = 1; j<= n; j++) {
        	if (cnt[a[j]] != j) continue;
        	int totSum = sum  - a[j] + i;
        	if (totSum % 2 == 1) ok = false;
        	if (dp[n&1][j][totSum/2] == 0) ok = false;
        }
 
		if (ok) ans.push_back(i);
	}
 
	cout << ans.size() << endl;
 
	for (int i:ans) {
		cout << i * gc << " ";
	}
 
	cout << endl;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	468 KB	Output is correct
2	Correct	0 ms	596 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	724 KB	Output is correct
6	Correct	1 ms	596 KB	Output is correct
7	Correct	0 ms	468 KB	Output is correct
8	Correct	1 ms	724 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	468 KB	Output is correct
2	Correct	0 ms	596 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	724 KB	Output is correct
6	Correct	1 ms	596 KB	Output is correct
7	Correct	0 ms	468 KB	Output is correct
8	Correct	1 ms	724 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	1 ms	724 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	2 ms	724 KB	Output is correct
15	Correct	1 ms	724 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	1 ms	596 KB	Output is correct
18	Correct	1 ms	724 KB	Output is correct
19	Correct	1 ms	724 KB	Output is correct
20	Correct	1 ms	468 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	468 KB	Output is correct
2	Correct	0 ms	596 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	724 KB	Output is correct
6	Correct	1 ms	596 KB	Output is correct
7	Correct	0 ms	468 KB	Output is correct
8	Correct	1 ms	724 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	1 ms	724 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	2 ms	724 KB	Output is correct
15	Correct	1 ms	724 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	1 ms	596 KB	Output is correct
18	Correct	1 ms	724 KB	Output is correct
19	Correct	1 ms	724 KB	Output is correct
20	Correct	1 ms	468 KB	Output is correct
21	Correct	7 ms	1620 KB	Output is correct
22	Correct	9 ms	1804 KB	Output is correct
23	Correct	5 ms	1364 KB	Output is correct
24	Correct	14 ms	2004 KB	Output is correct
25	Correct	6 ms	980 KB	Output is correct
26	Correct	4 ms	980 KB	Output is correct
27	Correct	3 ms	980 KB	Output is correct
28	Correct	3 ms	852 KB	Output is correct
29	Correct	3 ms	852 KB	Output is correct
30	Correct	0 ms	340 KB	Output is correct
31	Correct	10 ms	1492 KB	Output is correct
32	Correct	16 ms	2004 KB	Output is correct
33	Correct	1 ms	724 KB	Output is correct
34	Correct	2 ms	724 KB	Output is correct
35	Correct	3 ms	852 KB	Output is correct
36	Correct	16 ms	2252 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	468 KB	Output is correct
2	Correct	0 ms	596 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	724 KB	Output is correct
6	Correct	1 ms	596 KB	Output is correct
7	Correct	0 ms	468 KB	Output is correct
8	Correct	1 ms	724 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	1 ms	724 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	2 ms	724 KB	Output is correct
15	Correct	1 ms	724 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	1 ms	596 KB	Output is correct
18	Correct	1 ms	724 KB	Output is correct
19	Correct	1 ms	724 KB	Output is correct
20	Correct	1 ms	468 KB	Output is correct
21	Correct	7 ms	1620 KB	Output is correct
22	Correct	9 ms	1804 KB	Output is correct
23	Correct	5 ms	1364 KB	Output is correct
24	Correct	14 ms	2004 KB	Output is correct
25	Correct	6 ms	980 KB	Output is correct
26	Correct	4 ms	980 KB	Output is correct
27	Correct	3 ms	980 KB	Output is correct
28	Correct	3 ms	852 KB	Output is correct
29	Correct	3 ms	852 KB	Output is correct
30	Correct	0 ms	340 KB	Output is correct
31	Correct	10 ms	1492 KB	Output is correct
32	Correct	16 ms	2004 KB	Output is correct
33	Correct	1 ms	724 KB	Output is correct
34	Correct	2 ms	724 KB	Output is correct
35	Correct	3 ms	852 KB	Output is correct
36	Correct	16 ms	2252 KB	Output is correct
37	Correct	39 ms	2724 KB	Output is correct
38	Correct	40 ms	2824 KB	Output is correct
39	Correct	3 ms	1364 KB	Output is correct
40	Correct	122 ms	5492 KB	Output is correct
41	Correct	3 ms	1492 KB	Output is correct
42	Correct	96 ms	4764 KB	Output is correct
43	Correct	36 ms	2504 KB	Output is correct
44	Correct	41 ms	2508 KB	Output is correct
45	Correct	35 ms	2524 KB	Output is correct
46	Correct	0 ms	340 KB	Output is correct
47	Correct	93 ms	4680 KB	Output is correct
48	Correct	14 ms	1832 KB	Output is correct
49	Correct	15 ms	1492 KB	Output is correct
50	Correct	101 ms	5112 KB	Output is correct
51	Correct	0 ms	340 KB	Output is correct
52	Correct	29 ms	2188 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	468 KB	Output is correct
2	Correct	0 ms	596 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	724 KB	Output is correct
6	Correct	1 ms	596 KB	Output is correct
7	Correct	0 ms	468 KB	Output is correct
8	Correct	1 ms	724 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	1 ms	724 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	2 ms	724 KB	Output is correct
15	Correct	1 ms	724 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	1 ms	596 KB	Output is correct
18	Correct	1 ms	724 KB	Output is correct
19	Correct	1 ms	724 KB	Output is correct
20	Correct	1 ms	468 KB	Output is correct
21	Correct	7 ms	1620 KB	Output is correct
22	Correct	9 ms	1804 KB	Output is correct
23	Correct	5 ms	1364 KB	Output is correct
24	Correct	14 ms	2004 KB	Output is correct
25	Correct	6 ms	980 KB	Output is correct
26	Correct	4 ms	980 KB	Output is correct
27	Correct	3 ms	980 KB	Output is correct
28	Correct	3 ms	852 KB	Output is correct
29	Correct	3 ms	852 KB	Output is correct
30	Correct	0 ms	340 KB	Output is correct
31	Correct	10 ms	1492 KB	Output is correct
32	Correct	16 ms	2004 KB	Output is correct
33	Correct	1 ms	724 KB	Output is correct
34	Correct	2 ms	724 KB	Output is correct
35	Correct	3 ms	852 KB	Output is correct
36	Correct	16 ms	2252 KB	Output is correct
37	Correct	39 ms	2724 KB	Output is correct
38	Correct	40 ms	2824 KB	Output is correct
39	Correct	3 ms	1364 KB	Output is correct
40	Correct	122 ms	5492 KB	Output is correct
41	Correct	3 ms	1492 KB	Output is correct
42	Correct	96 ms	4764 KB	Output is correct
43	Correct	36 ms	2504 KB	Output is correct
44	Correct	41 ms	2508 KB	Output is correct
45	Correct	35 ms	2524 KB	Output is correct
46	Correct	0 ms	340 KB	Output is correct
47	Correct	93 ms	4680 KB	Output is correct
48	Correct	14 ms	1832 KB	Output is correct
49	Correct	15 ms	1492 KB	Output is correct
50	Correct	101 ms	5112 KB	Output is correct
51	Correct	0 ms	340 KB	Output is correct
52	Correct	29 ms	2188 KB	Output is correct
53	Correct	139 ms	5196 KB	Output is correct
54	Correct	168 ms	5616 KB	Output is correct
55	Correct	41 ms	2704 KB	Output is correct
56	Correct	139 ms	5796 KB	Output is correct
57	Correct	47 ms	2904 KB	Output is correct
58	Correct	228 ms	7240 KB	Output is correct
59	Correct	138 ms	5080 KB	Output is correct
60	Correct	1 ms	340 KB	Output is correct
61	Correct	142 ms	5192 KB	Output is correct
62	Correct	90 ms	3656 KB	Output is correct
63	Correct	58 ms	2940 KB	Output is correct
64	Correct	50 ms	3016 KB	Output is correct
65	Correct	13 ms	1916 KB	Output is correct
66	Correct	45 ms	2644 KB	Output is correct

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	468 KB	Output is correct
2	Correct	0 ms	596 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	724 KB	Output is correct
6	Correct	1 ms	596 KB	Output is correct
7	Correct	0 ms	468 KB	Output is correct
8	Correct	1 ms	724 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	1 ms	724 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	2 ms	724 KB	Output is correct
15	Correct	1 ms	724 KB	Output is correct
16	Correct	2 ms	724 KB	Output is correct
17	Correct	1 ms	596 KB	Output is correct
18	Correct	1 ms	724 KB	Output is correct
19	Correct	1 ms	724 KB	Output is correct
20	Correct	1 ms	468 KB	Output is correct
21	Correct	7 ms	1620 KB	Output is correct
22	Correct	9 ms	1804 KB	Output is correct
23	Correct	5 ms	1364 KB	Output is correct
24	Correct	14 ms	2004 KB	Output is correct
25	Correct	6 ms	980 KB	Output is correct
26	Correct	4 ms	980 KB	Output is correct
27	Correct	3 ms	980 KB	Output is correct
28	Correct	3 ms	852 KB	Output is correct
29	Correct	3 ms	852 KB	Output is correct
30	Correct	0 ms	340 KB	Output is correct
31	Correct	10 ms	1492 KB	Output is correct
32	Correct	16 ms	2004 KB	Output is correct
33	Correct	1 ms	724 KB	Output is correct
34	Correct	2 ms	724 KB	Output is correct
35	Correct	3 ms	852 KB	Output is correct
36	Correct	16 ms	2252 KB	Output is correct
37	Correct	39 ms	2724 KB	Output is correct
38	Correct	40 ms	2824 KB	Output is correct
39	Correct	3 ms	1364 KB	Output is correct
40	Correct	122 ms	5492 KB	Output is correct
41	Correct	3 ms	1492 KB	Output is correct
42	Correct	96 ms	4764 KB	Output is correct
43	Correct	36 ms	2504 KB	Output is correct
44	Correct	41 ms	2508 KB	Output is correct
45	Correct	35 ms	2524 KB	Output is correct
46	Correct	0 ms	340 KB	Output is correct
47	Correct	93 ms	4680 KB	Output is correct
48	Correct	14 ms	1832 KB	Output is correct
49	Correct	15 ms	1492 KB	Output is correct
50	Correct	101 ms	5112 KB	Output is correct
51	Correct	0 ms	340 KB	Output is correct
52	Correct	29 ms	2188 KB	Output is correct
53	Correct	139 ms	5196 KB	Output is correct
54	Correct	168 ms	5616 KB	Output is correct
55	Correct	41 ms	2704 KB	Output is correct
56	Correct	139 ms	5796 KB	Output is correct
57	Correct	47 ms	2904 KB	Output is correct
58	Correct	228 ms	7240 KB	Output is correct
59	Correct	138 ms	5080 KB	Output is correct
60	Correct	1 ms	340 KB	Output is correct
61	Correct	142 ms	5192 KB	Output is correct
62	Correct	90 ms	3656 KB	Output is correct
63	Correct	58 ms	2940 KB	Output is correct
64	Correct	50 ms	3016 KB	Output is correct
65	Correct	13 ms	1916 KB	Output is correct
66	Correct	45 ms	2644 KB	Output is correct
67	Correct	249 ms	8736 KB	Output is correct
68	Correct	0 ms	340 KB	Output is correct
69	Incorrect	103 ms	3408 KB	Output isn't correct
70	Halted	0 ms	0 KB	-

답안 #697026

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