답안 #36836 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
36836	2017-12-16T04:35:10 Z	szawinis	Bootfall (IZhO17_bootfall)	C++14	100 / 100	836 ms	8728 KB

bootfall

#include <bits/stdc++.h>
using namespace std;
const int N = 501, M = 3e5+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	9 ms	7876 KB	Output is correct
2	Correct	9 ms	7876 KB	Output is correct
3	Correct	0 ms	7876 KB	Output is correct
4	Correct	6 ms	7876 KB	Output is correct
5	Correct	26 ms	7876 KB	Output is correct
6	Correct	13 ms	7876 KB	Output is correct
7	Correct	9 ms	7876 KB	Output is correct
8	Correct	16 ms	7876 KB	Output is correct
9	Correct	19 ms	7876 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	7876 KB	Output is correct
2	Correct	9 ms	7876 KB	Output is correct
3	Correct	0 ms	7876 KB	Output is correct
4	Correct	6 ms	7876 KB	Output is correct
5	Correct	26 ms	7876 KB	Output is correct
6	Correct	13 ms	7876 KB	Output is correct
7	Correct	9 ms	7876 KB	Output is correct
8	Correct	16 ms	7876 KB	Output is correct
9	Correct	19 ms	7876 KB	Output is correct
10	Correct	39 ms	7876 KB	Output is correct
11	Correct	49 ms	7876 KB	Output is correct
12	Correct	43 ms	7876 KB	Output is correct
13	Correct	43 ms	7876 KB	Output is correct
14	Correct	39 ms	7876 KB	Output is correct
15	Correct	39 ms	7876 KB	Output is correct
16	Correct	46 ms	7876 KB	Output is correct
17	Correct	26 ms	7876 KB	Output is correct
18	Correct	36 ms	7876 KB	Output is correct
19	Correct	36 ms	7876 KB	Output is correct
20	Correct	43 ms	7876 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	7876 KB	Output is correct
2	Correct	9 ms	7876 KB	Output is correct
3	Correct	0 ms	7876 KB	Output is correct
4	Correct	6 ms	7876 KB	Output is correct
5	Correct	26 ms	7876 KB	Output is correct
6	Correct	13 ms	7876 KB	Output is correct
7	Correct	9 ms	7876 KB	Output is correct
8	Correct	16 ms	7876 KB	Output is correct
9	Correct	19 ms	7876 KB	Output is correct
10	Correct	39 ms	7876 KB	Output is correct
11	Correct	49 ms	7876 KB	Output is correct
12	Correct	43 ms	7876 KB	Output is correct
13	Correct	43 ms	7876 KB	Output is correct
14	Correct	39 ms	7876 KB	Output is correct
15	Correct	39 ms	7876 KB	Output is correct
16	Correct	46 ms	7876 KB	Output is correct
17	Correct	26 ms	7876 KB	Output is correct
18	Correct	36 ms	7876 KB	Output is correct
19	Correct	36 ms	7876 KB	Output is correct
20	Correct	43 ms	7876 KB	Output is correct
21	Correct	93 ms	7876 KB	Output is correct
22	Correct	106 ms	7876 KB	Output is correct
23	Correct	76 ms	7876 KB	Output is correct
24	Correct	143 ms	7876 KB	Output is correct
25	Correct	133 ms	7876 KB	Output is correct
26	Correct	143 ms	7876 KB	Output is correct
27	Correct	149 ms	7876 KB	Output is correct
28	Correct	146 ms	7876 KB	Output is correct
29	Correct	143 ms	7876 KB	Output is correct
30	Correct	146 ms	7876 KB	Output is correct
31	Correct	143 ms	7876 KB	Output is correct
32	Correct	156 ms	7876 KB	Output is correct
33	Correct	159 ms	7876 KB	Output is correct
34	Correct	183 ms	7876 KB	Output is correct
35	Correct	149 ms	7876 KB	Output is correct
36	Correct	163 ms	7876 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	7876 KB	Output is correct
2	Correct	9 ms	7876 KB	Output is correct
3	Correct	0 ms	7876 KB	Output is correct
4	Correct	6 ms	7876 KB	Output is correct
5	Correct	26 ms	7876 KB	Output is correct
6	Correct	13 ms	7876 KB	Output is correct
7	Correct	9 ms	7876 KB	Output is correct
8	Correct	16 ms	7876 KB	Output is correct
9	Correct	19 ms	7876 KB	Output is correct
10	Correct	39 ms	7876 KB	Output is correct
11	Correct	49 ms	7876 KB	Output is correct
12	Correct	43 ms	7876 KB	Output is correct
13	Correct	43 ms	7876 KB	Output is correct
14	Correct	39 ms	7876 KB	Output is correct
15	Correct	39 ms	7876 KB	Output is correct
16	Correct	46 ms	7876 KB	Output is correct
17	Correct	26 ms	7876 KB	Output is correct
18	Correct	36 ms	7876 KB	Output is correct
19	Correct	36 ms	7876 KB	Output is correct
20	Correct	43 ms	7876 KB	Output is correct
21	Correct	93 ms	7876 KB	Output is correct
22	Correct	106 ms	7876 KB	Output is correct
23	Correct	76 ms	7876 KB	Output is correct
24	Correct	143 ms	7876 KB	Output is correct
25	Correct	133 ms	7876 KB	Output is correct
26	Correct	143 ms	7876 KB	Output is correct
27	Correct	149 ms	7876 KB	Output is correct
28	Correct	146 ms	7876 KB	Output is correct
29	Correct	143 ms	7876 KB	Output is correct
30	Correct	146 ms	7876 KB	Output is correct
31	Correct	143 ms	7876 KB	Output is correct
32	Correct	156 ms	7876 KB	Output is correct
33	Correct	159 ms	7876 KB	Output is correct
34	Correct	183 ms	7876 KB	Output is correct
35	Correct	149 ms	7876 KB	Output is correct
36	Correct	163 ms	7876 KB	Output is correct
37	Correct	299 ms	8016 KB	Output is correct
38	Correct	309 ms	8016 KB	Output is correct
39	Correct	386 ms	7876 KB	Output is correct
40	Correct	456 ms	8016 KB	Output is correct
41	Correct	423 ms	7876 KB	Output is correct
42	Correct	403 ms	8016 KB	Output is correct
43	Correct	416 ms	8148 KB	Output is correct
44	Correct	393 ms	8148 KB	Output is correct
45	Correct	406 ms	8148 KB	Output is correct
46	Correct	409 ms	7876 KB	Output is correct
47	Correct	389 ms	8016 KB	Output is correct
48	Correct	396 ms	8148 KB	Output is correct
49	Correct	409 ms	8016 KB	Output is correct
50	Correct	379 ms	8016 KB	Output is correct
51	Correct	79 ms	7876 KB	Output is correct
52	Correct	406 ms	8148 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	7876 KB	Output is correct
2	Correct	9 ms	7876 KB	Output is correct
3	Correct	0 ms	7876 KB	Output is correct
4	Correct	6 ms	7876 KB	Output is correct
5	Correct	26 ms	7876 KB	Output is correct
6	Correct	13 ms	7876 KB	Output is correct
7	Correct	9 ms	7876 KB	Output is correct
8	Correct	16 ms	7876 KB	Output is correct
9	Correct	19 ms	7876 KB	Output is correct
10	Correct	39 ms	7876 KB	Output is correct
11	Correct	49 ms	7876 KB	Output is correct
12	Correct	43 ms	7876 KB	Output is correct
13	Correct	43 ms	7876 KB	Output is correct
14	Correct	39 ms	7876 KB	Output is correct
15	Correct	39 ms	7876 KB	Output is correct
16	Correct	46 ms	7876 KB	Output is correct
17	Correct	26 ms	7876 KB	Output is correct
18	Correct	36 ms	7876 KB	Output is correct
19	Correct	36 ms	7876 KB	Output is correct
20	Correct	43 ms	7876 KB	Output is correct
21	Correct	93 ms	7876 KB	Output is correct
22	Correct	106 ms	7876 KB	Output is correct
23	Correct	76 ms	7876 KB	Output is correct
24	Correct	143 ms	7876 KB	Output is correct
25	Correct	133 ms	7876 KB	Output is correct
26	Correct	143 ms	7876 KB	Output is correct
27	Correct	149 ms	7876 KB	Output is correct
28	Correct	146 ms	7876 KB	Output is correct
29	Correct	143 ms	7876 KB	Output is correct
30	Correct	146 ms	7876 KB	Output is correct
31	Correct	143 ms	7876 KB	Output is correct
32	Correct	156 ms	7876 KB	Output is correct
33	Correct	159 ms	7876 KB	Output is correct
34	Correct	183 ms	7876 KB	Output is correct
35	Correct	149 ms	7876 KB	Output is correct
36	Correct	163 ms	7876 KB	Output is correct
37	Correct	299 ms	8016 KB	Output is correct
38	Correct	309 ms	8016 KB	Output is correct
39	Correct	386 ms	7876 KB	Output is correct
40	Correct	456 ms	8016 KB	Output is correct
41	Correct	423 ms	7876 KB	Output is correct
42	Correct	403 ms	8016 KB	Output is correct
43	Correct	416 ms	8148 KB	Output is correct
44	Correct	393 ms	8148 KB	Output is correct
45	Correct	406 ms	8148 KB	Output is correct
46	Correct	409 ms	7876 KB	Output is correct
47	Correct	389 ms	8016 KB	Output is correct
48	Correct	396 ms	8148 KB	Output is correct
49	Correct	409 ms	8016 KB	Output is correct
50	Correct	379 ms	8016 KB	Output is correct
51	Correct	79 ms	7876 KB	Output is correct
52	Correct	406 ms	8148 KB	Output is correct
53	Correct	553 ms	8148 KB	Output is correct
54	Correct	579 ms	8148 KB	Output is correct
55	Correct	556 ms	8344 KB	Output is correct
56	Correct	476 ms	8148 KB	Output is correct
57	Correct	539 ms	8344 KB	Output is correct
58	Correct	546 ms	8148 KB	Output is correct
59	Correct	566 ms	8344 KB	Output is correct
60	Correct	103 ms	7876 KB	Output is correct
61	Correct	553 ms	8344 KB	Output is correct
62	Correct	526 ms	8344 KB	Output is correct
63	Correct	503 ms	8344 KB	Output is correct
64	Correct	496 ms	8344 KB	Output is correct
65	Correct	503 ms	7876 KB	Output is correct
66	Correct	479 ms	8016 KB	Output is correct

Subtask #6
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	7876 KB	Output is correct
2	Correct	9 ms	7876 KB	Output is correct
3	Correct	0 ms	7876 KB	Output is correct
4	Correct	6 ms	7876 KB	Output is correct
5	Correct	26 ms	7876 KB	Output is correct
6	Correct	13 ms	7876 KB	Output is correct
7	Correct	9 ms	7876 KB	Output is correct
8	Correct	16 ms	7876 KB	Output is correct
9	Correct	19 ms	7876 KB	Output is correct
10	Correct	39 ms	7876 KB	Output is correct
11	Correct	49 ms	7876 KB	Output is correct
12	Correct	43 ms	7876 KB	Output is correct
13	Correct	43 ms	7876 KB	Output is correct
14	Correct	39 ms	7876 KB	Output is correct
15	Correct	39 ms	7876 KB	Output is correct
16	Correct	46 ms	7876 KB	Output is correct
17	Correct	26 ms	7876 KB	Output is correct
18	Correct	36 ms	7876 KB	Output is correct
19	Correct	36 ms	7876 KB	Output is correct
20	Correct	43 ms	7876 KB	Output is correct
21	Correct	93 ms	7876 KB	Output is correct
22	Correct	106 ms	7876 KB	Output is correct
23	Correct	76 ms	7876 KB	Output is correct
24	Correct	143 ms	7876 KB	Output is correct
25	Correct	133 ms	7876 KB	Output is correct
26	Correct	143 ms	7876 KB	Output is correct
27	Correct	149 ms	7876 KB	Output is correct
28	Correct	146 ms	7876 KB	Output is correct
29	Correct	143 ms	7876 KB	Output is correct
30	Correct	146 ms	7876 KB	Output is correct
31	Correct	143 ms	7876 KB	Output is correct
32	Correct	156 ms	7876 KB	Output is correct
33	Correct	159 ms	7876 KB	Output is correct
34	Correct	183 ms	7876 KB	Output is correct
35	Correct	149 ms	7876 KB	Output is correct
36	Correct	163 ms	7876 KB	Output is correct
37	Correct	299 ms	8016 KB	Output is correct
38	Correct	309 ms	8016 KB	Output is correct
39	Correct	386 ms	7876 KB	Output is correct
40	Correct	456 ms	8016 KB	Output is correct
41	Correct	423 ms	7876 KB	Output is correct
42	Correct	403 ms	8016 KB	Output is correct
43	Correct	416 ms	8148 KB	Output is correct
44	Correct	393 ms	8148 KB	Output is correct
45	Correct	406 ms	8148 KB	Output is correct
46	Correct	409 ms	7876 KB	Output is correct
47	Correct	389 ms	8016 KB	Output is correct
48	Correct	396 ms	8148 KB	Output is correct
49	Correct	409 ms	8016 KB	Output is correct
50	Correct	379 ms	8016 KB	Output is correct
51	Correct	79 ms	7876 KB	Output is correct
52	Correct	406 ms	8148 KB	Output is correct
53	Correct	553 ms	8148 KB	Output is correct
54	Correct	579 ms	8148 KB	Output is correct
55	Correct	556 ms	8344 KB	Output is correct
56	Correct	476 ms	8148 KB	Output is correct
57	Correct	539 ms	8344 KB	Output is correct
58	Correct	546 ms	8148 KB	Output is correct
59	Correct	566 ms	8344 KB	Output is correct
60	Correct	103 ms	7876 KB	Output is correct
61	Correct	553 ms	8344 KB	Output is correct
62	Correct	526 ms	8344 KB	Output is correct
63	Correct	503 ms	8344 KB	Output is correct
64	Correct	496 ms	8344 KB	Output is correct
65	Correct	503 ms	7876 KB	Output is correct
66	Correct	479 ms	8016 KB	Output is correct
67	Correct	629 ms	8344 KB	Output is correct
68	Correct	146 ms	7876 KB	Output is correct
69	Correct	829 ms	8728 KB	Output is correct
70	Correct	809 ms	8344 KB	Output is correct
71	Correct	836 ms	8344 KB	Output is correct
72	Correct	789 ms	7876 KB	Output is correct
73	Correct	769 ms	7876 KB	Output is correct
74	Correct	783 ms	8728 KB	Output is correct
75	Correct	789 ms	8728 KB	Output is correct
76	Correct	806 ms	8728 KB	Output is correct
77	Correct	783 ms	8728 KB	Output is correct

답안 #36836

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