답안 #36837 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
36837	2017-12-16T04:36:22 Z	szawinis	Bootfall (IZhO17_bootfall)	C++14	100 / 100	709 ms	7752 KB

bootfall

#include <bits/stdc++.h>
using namespace std;
const int N = 501, M = 500*500+1;

int n, sum, a[N], cnt[M];
long long dp[M], tmp[M];
int main() {
	scanf("%d", &n);
	dp[0] = 1;
	for(int i = 0; i < n; i++) {
		scanf("%d", a+i);
		sum += a[i];
		for(int j = M-1; j >= a[i]; j--) dp[j] += dp[j - a[i]];
	}
	if(sum % 2 || !dp[sum >> 1]) printf("0"), exit(0);
	for(int i = 0; i < n; i++) {
		copy(dp, dp+M, tmp);
		for(int j = a[i]; j < M; j++) tmp[j] -= tmp[j - a[i]]; // pay attention to order, only want to remove ones invalidated, not all combinations
		for(int x = 0; x < M; x++) {
			int val = sum - a[i] + x; // new sum of entire sequence including n+1
			cnt[x] += val % 2 == 0 && tmp[val >> 1];
		}
	}
	vector<int> ans;
	for(int x = 0; x < M; x++) if(cnt[x] == n) ans.push_back(x);
	printf("%d\n", ans.size());
	for(int x: ans) printf("%d ", x);
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:26:27: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=]
  printf("%d\n", ans.size());
                           ^
bootfall.cpp:8:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
bootfall.cpp:11:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", a+i);
                   ^

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	6900 KB	Output is correct
2	Correct	9 ms	6900 KB	Output is correct
3	Correct	0 ms	6900 KB	Output is correct
4	Correct	9 ms	6900 KB	Output is correct
5	Correct	16 ms	6900 KB	Output is correct
6	Correct	13 ms	6900 KB	Output is correct
7	Correct	9 ms	6900 KB	Output is correct
8	Correct	23 ms	6900 KB	Output is correct
9	Correct	13 ms	6900 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	6900 KB	Output is correct
2	Correct	9 ms	6900 KB	Output is correct
3	Correct	0 ms	6900 KB	Output is correct
4	Correct	9 ms	6900 KB	Output is correct
5	Correct	16 ms	6900 KB	Output is correct
6	Correct	13 ms	6900 KB	Output is correct
7	Correct	9 ms	6900 KB	Output is correct
8	Correct	23 ms	6900 KB	Output is correct
9	Correct	13 ms	6900 KB	Output is correct
10	Correct	46 ms	6900 KB	Output is correct
11	Correct	39 ms	6900 KB	Output is correct
12	Correct	36 ms	6900 KB	Output is correct
13	Correct	36 ms	6900 KB	Output is correct
14	Correct	33 ms	6900 KB	Output is correct
15	Correct	36 ms	6900 KB	Output is correct
16	Correct	33 ms	6900 KB	Output is correct
17	Correct	26 ms	6900 KB	Output is correct
18	Correct	26 ms	6900 KB	Output is correct
19	Correct	33 ms	6900 KB	Output is correct
20	Correct	33 ms	6900 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	6900 KB	Output is correct
2	Correct	9 ms	6900 KB	Output is correct
3	Correct	0 ms	6900 KB	Output is correct
4	Correct	9 ms	6900 KB	Output is correct
5	Correct	16 ms	6900 KB	Output is correct
6	Correct	13 ms	6900 KB	Output is correct
7	Correct	9 ms	6900 KB	Output is correct
8	Correct	23 ms	6900 KB	Output is correct
9	Correct	13 ms	6900 KB	Output is correct
10	Correct	46 ms	6900 KB	Output is correct
11	Correct	39 ms	6900 KB	Output is correct
12	Correct	36 ms	6900 KB	Output is correct
13	Correct	36 ms	6900 KB	Output is correct
14	Correct	33 ms	6900 KB	Output is correct
15	Correct	36 ms	6900 KB	Output is correct
16	Correct	33 ms	6900 KB	Output is correct
17	Correct	26 ms	6900 KB	Output is correct
18	Correct	26 ms	6900 KB	Output is correct
19	Correct	33 ms	6900 KB	Output is correct
20	Correct	33 ms	6900 KB	Output is correct
21	Correct	79 ms	6900 KB	Output is correct
22	Correct	89 ms	6900 KB	Output is correct
23	Correct	59 ms	6900 KB	Output is correct
24	Correct	116 ms	6900 KB	Output is correct
25	Correct	129 ms	6900 KB	Output is correct
26	Correct	123 ms	6900 KB	Output is correct
27	Correct	113 ms	6900 KB	Output is correct
28	Correct	119 ms	6900 KB	Output is correct
29	Correct	119 ms	6900 KB	Output is correct
30	Correct	133 ms	6900 KB	Output is correct
31	Correct	116 ms	6900 KB	Output is correct
32	Correct	119 ms	6900 KB	Output is correct
33	Correct	123 ms	6900 KB	Output is correct
34	Correct	129 ms	6900 KB	Output is correct
35	Correct	119 ms	6900 KB	Output is correct
36	Correct	119 ms	6900 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	6900 KB	Output is correct
2	Correct	9 ms	6900 KB	Output is correct
3	Correct	0 ms	6900 KB	Output is correct
4	Correct	9 ms	6900 KB	Output is correct
5	Correct	16 ms	6900 KB	Output is correct
6	Correct	13 ms	6900 KB	Output is correct
7	Correct	9 ms	6900 KB	Output is correct
8	Correct	23 ms	6900 KB	Output is correct
9	Correct	13 ms	6900 KB	Output is correct
10	Correct	46 ms	6900 KB	Output is correct
11	Correct	39 ms	6900 KB	Output is correct
12	Correct	36 ms	6900 KB	Output is correct
13	Correct	36 ms	6900 KB	Output is correct
14	Correct	33 ms	6900 KB	Output is correct
15	Correct	36 ms	6900 KB	Output is correct
16	Correct	33 ms	6900 KB	Output is correct
17	Correct	26 ms	6900 KB	Output is correct
18	Correct	26 ms	6900 KB	Output is correct
19	Correct	33 ms	6900 KB	Output is correct
20	Correct	33 ms	6900 KB	Output is correct
21	Correct	79 ms	6900 KB	Output is correct
22	Correct	89 ms	6900 KB	Output is correct
23	Correct	59 ms	6900 KB	Output is correct
24	Correct	116 ms	6900 KB	Output is correct
25	Correct	129 ms	6900 KB	Output is correct
26	Correct	123 ms	6900 KB	Output is correct
27	Correct	113 ms	6900 KB	Output is correct
28	Correct	119 ms	6900 KB	Output is correct
29	Correct	119 ms	6900 KB	Output is correct
30	Correct	133 ms	6900 KB	Output is correct
31	Correct	116 ms	6900 KB	Output is correct
32	Correct	119 ms	6900 KB	Output is correct
33	Correct	123 ms	6900 KB	Output is correct
34	Correct	129 ms	6900 KB	Output is correct
35	Correct	119 ms	6900 KB	Output is correct
36	Correct	119 ms	6900 KB	Output is correct
37	Correct	236 ms	7040 KB	Output is correct
38	Correct	263 ms	7040 KB	Output is correct
39	Correct	326 ms	6900 KB	Output is correct
40	Correct	333 ms	7040 KB	Output is correct
41	Correct	333 ms	6900 KB	Output is correct
42	Correct	299 ms	7040 KB	Output is correct
43	Correct	289 ms	7172 KB	Output is correct
44	Correct	326 ms	7172 KB	Output is correct
45	Correct	303 ms	7172 KB	Output is correct
46	Correct	333 ms	6900 KB	Output is correct
47	Correct	296 ms	7040 KB	Output is correct
48	Correct	306 ms	7172 KB	Output is correct
49	Correct	336 ms	7040 KB	Output is correct
50	Correct	346 ms	7040 KB	Output is correct
51	Correct	63 ms	6900 KB	Output is correct
52	Correct	336 ms	7172 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	6900 KB	Output is correct
2	Correct	9 ms	6900 KB	Output is correct
3	Correct	0 ms	6900 KB	Output is correct
4	Correct	9 ms	6900 KB	Output is correct
5	Correct	16 ms	6900 KB	Output is correct
6	Correct	13 ms	6900 KB	Output is correct
7	Correct	9 ms	6900 KB	Output is correct
8	Correct	23 ms	6900 KB	Output is correct
9	Correct	13 ms	6900 KB	Output is correct
10	Correct	46 ms	6900 KB	Output is correct
11	Correct	39 ms	6900 KB	Output is correct
12	Correct	36 ms	6900 KB	Output is correct
13	Correct	36 ms	6900 KB	Output is correct
14	Correct	33 ms	6900 KB	Output is correct
15	Correct	36 ms	6900 KB	Output is correct
16	Correct	33 ms	6900 KB	Output is correct
17	Correct	26 ms	6900 KB	Output is correct
18	Correct	26 ms	6900 KB	Output is correct
19	Correct	33 ms	6900 KB	Output is correct
20	Correct	33 ms	6900 KB	Output is correct
21	Correct	79 ms	6900 KB	Output is correct
22	Correct	89 ms	6900 KB	Output is correct
23	Correct	59 ms	6900 KB	Output is correct
24	Correct	116 ms	6900 KB	Output is correct
25	Correct	129 ms	6900 KB	Output is correct
26	Correct	123 ms	6900 KB	Output is correct
27	Correct	113 ms	6900 KB	Output is correct
28	Correct	119 ms	6900 KB	Output is correct
29	Correct	119 ms	6900 KB	Output is correct
30	Correct	133 ms	6900 KB	Output is correct
31	Correct	116 ms	6900 KB	Output is correct
32	Correct	119 ms	6900 KB	Output is correct
33	Correct	123 ms	6900 KB	Output is correct
34	Correct	129 ms	6900 KB	Output is correct
35	Correct	119 ms	6900 KB	Output is correct
36	Correct	119 ms	6900 KB	Output is correct
37	Correct	236 ms	7040 KB	Output is correct
38	Correct	263 ms	7040 KB	Output is correct
39	Correct	326 ms	6900 KB	Output is correct
40	Correct	333 ms	7040 KB	Output is correct
41	Correct	333 ms	6900 KB	Output is correct
42	Correct	299 ms	7040 KB	Output is correct
43	Correct	289 ms	7172 KB	Output is correct
44	Correct	326 ms	7172 KB	Output is correct
45	Correct	303 ms	7172 KB	Output is correct
46	Correct	333 ms	6900 KB	Output is correct
47	Correct	296 ms	7040 KB	Output is correct
48	Correct	306 ms	7172 KB	Output is correct
49	Correct	336 ms	7040 KB	Output is correct
50	Correct	346 ms	7040 KB	Output is correct
51	Correct	63 ms	6900 KB	Output is correct
52	Correct	336 ms	7172 KB	Output is correct
53	Correct	366 ms	7172 KB	Output is correct
54	Correct	443 ms	7172 KB	Output is correct
55	Correct	446 ms	7368 KB	Output is correct
56	Correct	416 ms	7172 KB	Output is correct
57	Correct	426 ms	7368 KB	Output is correct
58	Correct	443 ms	7172 KB	Output is correct
59	Correct	443 ms	7368 KB	Output is correct
60	Correct	79 ms	6900 KB	Output is correct
61	Correct	429 ms	7368 KB	Output is correct
62	Correct	446 ms	7368 KB	Output is correct
63	Correct	403 ms	7368 KB	Output is correct
64	Correct	393 ms	7368 KB	Output is correct
65	Correct	373 ms	6900 KB	Output is correct
66	Correct	396 ms	7040 KB	Output is correct

Subtask #6
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	6900 KB	Output is correct
2	Correct	9 ms	6900 KB	Output is correct
3	Correct	0 ms	6900 KB	Output is correct
4	Correct	9 ms	6900 KB	Output is correct
5	Correct	16 ms	6900 KB	Output is correct
6	Correct	13 ms	6900 KB	Output is correct
7	Correct	9 ms	6900 KB	Output is correct
8	Correct	23 ms	6900 KB	Output is correct
9	Correct	13 ms	6900 KB	Output is correct
10	Correct	46 ms	6900 KB	Output is correct
11	Correct	39 ms	6900 KB	Output is correct
12	Correct	36 ms	6900 KB	Output is correct
13	Correct	36 ms	6900 KB	Output is correct
14	Correct	33 ms	6900 KB	Output is correct
15	Correct	36 ms	6900 KB	Output is correct
16	Correct	33 ms	6900 KB	Output is correct
17	Correct	26 ms	6900 KB	Output is correct
18	Correct	26 ms	6900 KB	Output is correct
19	Correct	33 ms	6900 KB	Output is correct
20	Correct	33 ms	6900 KB	Output is correct
21	Correct	79 ms	6900 KB	Output is correct
22	Correct	89 ms	6900 KB	Output is correct
23	Correct	59 ms	6900 KB	Output is correct
24	Correct	116 ms	6900 KB	Output is correct
25	Correct	129 ms	6900 KB	Output is correct
26	Correct	123 ms	6900 KB	Output is correct
27	Correct	113 ms	6900 KB	Output is correct
28	Correct	119 ms	6900 KB	Output is correct
29	Correct	119 ms	6900 KB	Output is correct
30	Correct	133 ms	6900 KB	Output is correct
31	Correct	116 ms	6900 KB	Output is correct
32	Correct	119 ms	6900 KB	Output is correct
33	Correct	123 ms	6900 KB	Output is correct
34	Correct	129 ms	6900 KB	Output is correct
35	Correct	119 ms	6900 KB	Output is correct
36	Correct	119 ms	6900 KB	Output is correct
37	Correct	236 ms	7040 KB	Output is correct
38	Correct	263 ms	7040 KB	Output is correct
39	Correct	326 ms	6900 KB	Output is correct
40	Correct	333 ms	7040 KB	Output is correct
41	Correct	333 ms	6900 KB	Output is correct
42	Correct	299 ms	7040 KB	Output is correct
43	Correct	289 ms	7172 KB	Output is correct
44	Correct	326 ms	7172 KB	Output is correct
45	Correct	303 ms	7172 KB	Output is correct
46	Correct	333 ms	6900 KB	Output is correct
47	Correct	296 ms	7040 KB	Output is correct
48	Correct	306 ms	7172 KB	Output is correct
49	Correct	336 ms	7040 KB	Output is correct
50	Correct	346 ms	7040 KB	Output is correct
51	Correct	63 ms	6900 KB	Output is correct
52	Correct	336 ms	7172 KB	Output is correct
53	Correct	366 ms	7172 KB	Output is correct
54	Correct	443 ms	7172 KB	Output is correct
55	Correct	446 ms	7368 KB	Output is correct
56	Correct	416 ms	7172 KB	Output is correct
57	Correct	426 ms	7368 KB	Output is correct
58	Correct	443 ms	7172 KB	Output is correct
59	Correct	443 ms	7368 KB	Output is correct
60	Correct	79 ms	6900 KB	Output is correct
61	Correct	429 ms	7368 KB	Output is correct
62	Correct	446 ms	7368 KB	Output is correct
63	Correct	403 ms	7368 KB	Output is correct
64	Correct	393 ms	7368 KB	Output is correct
65	Correct	373 ms	6900 KB	Output is correct
66	Correct	396 ms	7040 KB	Output is correct
67	Correct	499 ms	7368 KB	Output is correct
68	Correct	106 ms	6900 KB	Output is correct
69	Correct	703 ms	7752 KB	Output is correct
70	Correct	629 ms	7368 KB	Output is correct
71	Correct	589 ms	7368 KB	Output is correct
72	Correct	616 ms	6900 KB	Output is correct
73	Correct	643 ms	6900 KB	Output is correct
74	Correct	669 ms	7752 KB	Output is correct
75	Correct	663 ms	7752 KB	Output is correct
76	Correct	689 ms	7752 KB	Output is correct
77	Correct	709 ms	7752 KB	Output is correct

답안 #36837

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 35.0 / 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
35.0 / 35.0