답안 #598438

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
598438	2022-07-18T11:20:27 Z	SuffixAutomata	Bootfall (IZhO17_bootfall)	C++17	100 / 100	556 ms	3708 KB

bootfall

#include <bits/stdc++.h>
using namespace std;
const int MOD = 1000000007;
int dp[500 * 500 + 1], dp2[500 * 500 + 1];
bool ok[500 * 500 + 1];
int main() {
  int n;
  cin >> n;
  vector<int> ar(n);
  int sm = 0;
  dp[0] = 1;
  for (int i = 0; i < n; i++) {
    cin >> ar[i];
    for (int j = sm; j >= 0; j--)
      dp[j + ar[i]] = (dp[j + ar[i]] + dp[j]) % MOD;
    sm += ar[i];
  }
  auto x = [&](int i) {
    if (i < 0 || i % 2 || i / 2 > sm)
      return 0;
    return dp2[i / 2];
  };
  vector<int> ans;
  if (sm % 2 == 0 && dp[sm / 2]) {
    for (int v = 0; v <= 500 * 500; v++)
      ok[v] = 1;
    for (int i : ar) {
      memcpy(dp2, dp, sizeof dp2);
      for (int j = 0; j <= sm - i; j++)
        dp2[j + i] = (dp2[j + i] + MOD - dp2[j]) % MOD;
      for (int v = 0; v <= 500 * 500; v++)
        ok[v] = ok[v] && ((x(sm + v - i) + x(sm - v - i)) % MOD);
    }
    for (int v = 0; v <= 500 * 500; v++)
      if (ok[v])
        ans.push_back(v);
  }
  cout << ans.size() << endl;
  for (int i = 0; i < ans.size(); i++)
    cout << ans[i] << " \n"[i == ans.size() - 1];
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:39:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |   for (int i = 0; i < ans.size(); i++)
      |                   ~~^~~~~~~~~~~~
bootfall.cpp:40:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |     cout << ans[i] << " \n"[i == ans.size() - 1];
      |                             ~~^~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1492 KB	Output is correct
2	Correct	3 ms	1492 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	3 ms	1540 KB	Output is correct
5	Correct	4 ms	1492 KB	Output is correct
6	Correct	4 ms	1460 KB	Output is correct
7	Correct	3 ms	1492 KB	Output is correct
8	Correct	6 ms	1492 KB	Output is correct
9	Correct	5 ms	1492 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1492 KB	Output is correct
2	Correct	3 ms	1492 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	3 ms	1540 KB	Output is correct
5	Correct	4 ms	1492 KB	Output is correct
6	Correct	4 ms	1460 KB	Output is correct
7	Correct	3 ms	1492 KB	Output is correct
8	Correct	6 ms	1492 KB	Output is correct
9	Correct	5 ms	1492 KB	Output is correct
10	Correct	10 ms	1492 KB	Output is correct
11	Correct	9 ms	1440 KB	Output is correct
12	Correct	8 ms	1492 KB	Output is correct
13	Correct	7 ms	1492 KB	Output is correct
14	Correct	9 ms	1492 KB	Output is correct
15	Correct	10 ms	1492 KB	Output is correct
16	Correct	10 ms	1532 KB	Output is correct
17	Correct	8 ms	1528 KB	Output is correct
18	Correct	8 ms	1492 KB	Output is correct
19	Correct	8 ms	1492 KB	Output is correct
20	Correct	9 ms	1464 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1492 KB	Output is correct
2	Correct	3 ms	1492 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	3 ms	1540 KB	Output is correct
5	Correct	4 ms	1492 KB	Output is correct
6	Correct	4 ms	1460 KB	Output is correct
7	Correct	3 ms	1492 KB	Output is correct
8	Correct	6 ms	1492 KB	Output is correct
9	Correct	5 ms	1492 KB	Output is correct
10	Correct	10 ms	1492 KB	Output is correct
11	Correct	9 ms	1440 KB	Output is correct
12	Correct	8 ms	1492 KB	Output is correct
13	Correct	7 ms	1492 KB	Output is correct
14	Correct	9 ms	1492 KB	Output is correct
15	Correct	10 ms	1492 KB	Output is correct
16	Correct	10 ms	1532 KB	Output is correct
17	Correct	8 ms	1528 KB	Output is correct
18	Correct	8 ms	1492 KB	Output is correct
19	Correct	8 ms	1492 KB	Output is correct
20	Correct	9 ms	1464 KB	Output is correct
21	Correct	16 ms	1560 KB	Output is correct
22	Correct	18 ms	1532 KB	Output is correct
23	Correct	12 ms	1544 KB	Output is correct
24	Correct	23 ms	1492 KB	Output is correct
25	Correct	24 ms	1556 KB	Output is correct
26	Correct	26 ms	1560 KB	Output is correct
27	Correct	25 ms	1564 KB	Output is correct
28	Correct	35 ms	1548 KB	Output is correct
29	Correct	38 ms	1556 KB	Output is correct
30	Correct	30 ms	1492 KB	Output is correct
31	Correct	26 ms	1492 KB	Output is correct
32	Correct	24 ms	1536 KB	Output is correct
33	Correct	26 ms	1556 KB	Output is correct
34	Correct	25 ms	1568 KB	Output is correct
35	Correct	25 ms	1492 KB	Output is correct
36	Correct	24 ms	1544 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1492 KB	Output is correct
2	Correct	3 ms	1492 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	3 ms	1540 KB	Output is correct
5	Correct	4 ms	1492 KB	Output is correct
6	Correct	4 ms	1460 KB	Output is correct
7	Correct	3 ms	1492 KB	Output is correct
8	Correct	6 ms	1492 KB	Output is correct
9	Correct	5 ms	1492 KB	Output is correct
10	Correct	10 ms	1492 KB	Output is correct
11	Correct	9 ms	1440 KB	Output is correct
12	Correct	8 ms	1492 KB	Output is correct
13	Correct	7 ms	1492 KB	Output is correct
14	Correct	9 ms	1492 KB	Output is correct
15	Correct	10 ms	1492 KB	Output is correct
16	Correct	10 ms	1532 KB	Output is correct
17	Correct	8 ms	1528 KB	Output is correct
18	Correct	8 ms	1492 KB	Output is correct
19	Correct	8 ms	1492 KB	Output is correct
20	Correct	9 ms	1464 KB	Output is correct
21	Correct	16 ms	1560 KB	Output is correct
22	Correct	18 ms	1532 KB	Output is correct
23	Correct	12 ms	1544 KB	Output is correct
24	Correct	23 ms	1492 KB	Output is correct
25	Correct	24 ms	1556 KB	Output is correct
26	Correct	26 ms	1560 KB	Output is correct
27	Correct	25 ms	1564 KB	Output is correct
28	Correct	35 ms	1548 KB	Output is correct
29	Correct	38 ms	1556 KB	Output is correct
30	Correct	30 ms	1492 KB	Output is correct
31	Correct	26 ms	1492 KB	Output is correct
32	Correct	24 ms	1536 KB	Output is correct
33	Correct	26 ms	1556 KB	Output is correct
34	Correct	25 ms	1568 KB	Output is correct
35	Correct	25 ms	1492 KB	Output is correct
36	Correct	24 ms	1544 KB	Output is correct
37	Correct	68 ms	1712 KB	Output is correct
38	Correct	57 ms	1716 KB	Output is correct
39	Correct	100 ms	1732 KB	Output is correct
40	Correct	94 ms	1764 KB	Output is correct
41	Correct	123 ms	1792 KB	Output is correct
42	Correct	91 ms	1760 KB	Output is correct
43	Correct	101 ms	2032 KB	Output is correct
44	Correct	107 ms	2120 KB	Output is correct
45	Correct	109 ms	2124 KB	Output is correct
46	Correct	81 ms	1636 KB	Output is correct
47	Correct	88 ms	1780 KB	Output is correct
48	Correct	111 ms	2012 KB	Output is correct
49	Correct	106 ms	1812 KB	Output is correct
50	Correct	87 ms	1764 KB	Output is correct
51	Correct	15 ms	424 KB	Output is correct
52	Correct	131 ms	2208 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1492 KB	Output is correct
2	Correct	3 ms	1492 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	3 ms	1540 KB	Output is correct
5	Correct	4 ms	1492 KB	Output is correct
6	Correct	4 ms	1460 KB	Output is correct
7	Correct	3 ms	1492 KB	Output is correct
8	Correct	6 ms	1492 KB	Output is correct
9	Correct	5 ms	1492 KB	Output is correct
10	Correct	10 ms	1492 KB	Output is correct
11	Correct	9 ms	1440 KB	Output is correct
12	Correct	8 ms	1492 KB	Output is correct
13	Correct	7 ms	1492 KB	Output is correct
14	Correct	9 ms	1492 KB	Output is correct
15	Correct	10 ms	1492 KB	Output is correct
16	Correct	10 ms	1532 KB	Output is correct
17	Correct	8 ms	1528 KB	Output is correct
18	Correct	8 ms	1492 KB	Output is correct
19	Correct	8 ms	1492 KB	Output is correct
20	Correct	9 ms	1464 KB	Output is correct
21	Correct	16 ms	1560 KB	Output is correct
22	Correct	18 ms	1532 KB	Output is correct
23	Correct	12 ms	1544 KB	Output is correct
24	Correct	23 ms	1492 KB	Output is correct
25	Correct	24 ms	1556 KB	Output is correct
26	Correct	26 ms	1560 KB	Output is correct
27	Correct	25 ms	1564 KB	Output is correct
28	Correct	35 ms	1548 KB	Output is correct
29	Correct	38 ms	1556 KB	Output is correct
30	Correct	30 ms	1492 KB	Output is correct
31	Correct	26 ms	1492 KB	Output is correct
32	Correct	24 ms	1536 KB	Output is correct
33	Correct	26 ms	1556 KB	Output is correct
34	Correct	25 ms	1568 KB	Output is correct
35	Correct	25 ms	1492 KB	Output is correct
36	Correct	24 ms	1544 KB	Output is correct
37	Correct	68 ms	1712 KB	Output is correct
38	Correct	57 ms	1716 KB	Output is correct
39	Correct	100 ms	1732 KB	Output is correct
40	Correct	94 ms	1764 KB	Output is correct
41	Correct	123 ms	1792 KB	Output is correct
42	Correct	91 ms	1760 KB	Output is correct
43	Correct	101 ms	2032 KB	Output is correct
44	Correct	107 ms	2120 KB	Output is correct
45	Correct	109 ms	2124 KB	Output is correct
46	Correct	81 ms	1636 KB	Output is correct
47	Correct	88 ms	1780 KB	Output is correct
48	Correct	111 ms	2012 KB	Output is correct
49	Correct	106 ms	1812 KB	Output is correct
50	Correct	87 ms	1764 KB	Output is correct
51	Correct	15 ms	424 KB	Output is correct
52	Correct	131 ms	2208 KB	Output is correct
53	Correct	134 ms	1948 KB	Output is correct
54	Correct	148 ms	2112 KB	Output is correct
55	Correct	218 ms	2476 KB	Output is correct
56	Correct	130 ms	2136 KB	Output is correct
57	Correct	228 ms	2608 KB	Output is correct
58	Correct	158 ms	2144 KB	Output is correct
59	Correct	188 ms	2376 KB	Output is correct
60	Correct	35 ms	476 KB	Output is correct
61	Correct	189 ms	2376 KB	Output is correct
62	Correct	185 ms	2388 KB	Output is correct
63	Correct	207 ms	2532 KB	Output is correct
64	Correct	190 ms	2420 KB	Output is correct
65	Correct	118 ms	1604 KB	Output is correct
66	Correct	122 ms	1712 KB	Output is correct

Subtask #6
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	1492 KB	Output is correct
2	Correct	3 ms	1492 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	3 ms	1540 KB	Output is correct
5	Correct	4 ms	1492 KB	Output is correct
6	Correct	4 ms	1460 KB	Output is correct
7	Correct	3 ms	1492 KB	Output is correct
8	Correct	6 ms	1492 KB	Output is correct
9	Correct	5 ms	1492 KB	Output is correct
10	Correct	10 ms	1492 KB	Output is correct
11	Correct	9 ms	1440 KB	Output is correct
12	Correct	8 ms	1492 KB	Output is correct
13	Correct	7 ms	1492 KB	Output is correct
14	Correct	9 ms	1492 KB	Output is correct
15	Correct	10 ms	1492 KB	Output is correct
16	Correct	10 ms	1532 KB	Output is correct
17	Correct	8 ms	1528 KB	Output is correct
18	Correct	8 ms	1492 KB	Output is correct
19	Correct	8 ms	1492 KB	Output is correct
20	Correct	9 ms	1464 KB	Output is correct
21	Correct	16 ms	1560 KB	Output is correct
22	Correct	18 ms	1532 KB	Output is correct
23	Correct	12 ms	1544 KB	Output is correct
24	Correct	23 ms	1492 KB	Output is correct
25	Correct	24 ms	1556 KB	Output is correct
26	Correct	26 ms	1560 KB	Output is correct
27	Correct	25 ms	1564 KB	Output is correct
28	Correct	35 ms	1548 KB	Output is correct
29	Correct	38 ms	1556 KB	Output is correct
30	Correct	30 ms	1492 KB	Output is correct
31	Correct	26 ms	1492 KB	Output is correct
32	Correct	24 ms	1536 KB	Output is correct
33	Correct	26 ms	1556 KB	Output is correct
34	Correct	25 ms	1568 KB	Output is correct
35	Correct	25 ms	1492 KB	Output is correct
36	Correct	24 ms	1544 KB	Output is correct
37	Correct	68 ms	1712 KB	Output is correct
38	Correct	57 ms	1716 KB	Output is correct
39	Correct	100 ms	1732 KB	Output is correct
40	Correct	94 ms	1764 KB	Output is correct
41	Correct	123 ms	1792 KB	Output is correct
42	Correct	91 ms	1760 KB	Output is correct
43	Correct	101 ms	2032 KB	Output is correct
44	Correct	107 ms	2120 KB	Output is correct
45	Correct	109 ms	2124 KB	Output is correct
46	Correct	81 ms	1636 KB	Output is correct
47	Correct	88 ms	1780 KB	Output is correct
48	Correct	111 ms	2012 KB	Output is correct
49	Correct	106 ms	1812 KB	Output is correct
50	Correct	87 ms	1764 KB	Output is correct
51	Correct	15 ms	424 KB	Output is correct
52	Correct	131 ms	2208 KB	Output is correct
53	Correct	134 ms	1948 KB	Output is correct
54	Correct	148 ms	2112 KB	Output is correct
55	Correct	218 ms	2476 KB	Output is correct
56	Correct	130 ms	2136 KB	Output is correct
57	Correct	228 ms	2608 KB	Output is correct
58	Correct	158 ms	2144 KB	Output is correct
59	Correct	188 ms	2376 KB	Output is correct
60	Correct	35 ms	476 KB	Output is correct
61	Correct	189 ms	2376 KB	Output is correct
62	Correct	185 ms	2388 KB	Output is correct
63	Correct	207 ms	2532 KB	Output is correct
64	Correct	190 ms	2420 KB	Output is correct
65	Correct	118 ms	1604 KB	Output is correct
66	Correct	122 ms	1712 KB	Output is correct
67	Correct	193 ms	2332 KB	Output is correct
68	Correct	102 ms	716 KB	Output is correct
69	Correct	527 ms	3452 KB	Output is correct
70	Correct	354 ms	2772 KB	Output is correct
71	Correct	361 ms	2764 KB	Output is correct
72	Correct	307 ms	1996 KB	Output is correct
73	Correct	284 ms	1960 KB	Output is correct
74	Correct	544 ms	3616 KB	Output is correct
75	Correct	439 ms	3224 KB	Output is correct
76	Correct	551 ms	3692 KB	Output is correct
77	Correct	556 ms	3708 KB	Output is correct

답안 #598438

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