답안 #671940

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
671940	2022-12-14T09:51:54 Z	viwlesxq	Bootfall (IZhO17_bootfall)	C++17	100 / 100	237 ms	4352 KB

bootfall

#include "bits/stdc++.h"
#include "ext/pb_ds/assoc_container.hpp"
#include "ext/pb_ds/tree_policy.hpp"

using namespace std;
using namespace __gnu_pbds;

typedef long long ll;
typedef string str;

#define pb push_back
#define pf push_front
#define ppb pop_back
#define ppf pop_front
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define sz(x) (int)x.size()
#define ordered_set tree<ll, null_type,less<ll>, rb_tree_tag,tree_order_statistics_node_update>
void freo(str x) {freopen((x + ".in").c_str(), "r", stdin);freopen((x + ".out").c_str(), "w", stdout);}

const int MAXN = 500, MAXSUM = 250001;
ll dp[MAXSUM];
int used[MAXSUM];
vector <int> ans;
 
signed main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int n;
	cin >> n;
	int sum = 0, a[n];
	for (int i = 0; i < n; i++) {
		cin >> a[i];
		sum += a[i];
	}
	dp[0]++;
	if (sum % 2) {
		cout << 0;
		return 0;
	}
	for (int i = 0; i < n; i++) {
		for (int j = sum; j - a[i] >= 0; j--) {
			dp[j] += dp[j - a[i]];
		}
	}
	if (!dp[sum / 2]) {
		cout << 0;
		return 0;
	}
	for (int i = 0; i < n; i++) {
		int cur = sum - a[i];
		for (int j = a[i]; j <= sum; j++) {
			dp[j] -= dp[j - a[i]];
		}
		for (int j = 0; j <= cur / 2; j++) {
			if (dp[j]) used[cur - j * 2]++;
		}
		for (int j = sum; j >= a[i]; j--) {
			dp[j] += dp[j - a[i]];
		}
	}
	for (int i = 0; i <= sum; i++) {
		if (used[i] == n) ans.pb(i);
	}
	cout << sz(ans) << '\n';
	for (int i : ans) cout << i << ' ';
}

Compilation message

bootfall.cpp: In function 'void freo(str)':
bootfall.cpp:21:26: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 | void freo(str x) {freopen((x + ".in").c_str(), "r", stdin);freopen((x + ".out").c_str(), "w", stdout);}
      |                   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bootfall.cpp:21:67: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 | void freo(str x) {freopen((x + ".in").c_str(), "r", stdin);freopen((x + ".out").c_str(), "w", stdout);}
      |                                                            ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct

Subtask #2
7.0 / 7.0

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

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	388 KB	Output is correct
25	Correct	2 ms	468 KB	Output is correct
26	Correct	3 ms	468 KB	Output is correct
27	Correct	2 ms	340 KB	Output is correct
28	Correct	3 ms	468 KB	Output is correct
29	Correct	2 ms	340 KB	Output is correct
30	Correct	2 ms	340 KB	Output is correct
31	Correct	2 ms	468 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	2 ms	340 KB	Output is correct
34	Correct	2 ms	448 KB	Output is correct
35	Correct	2 ms	340 KB	Output is correct
36	Correct	2 ms	340 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	388 KB	Output is correct
25	Correct	2 ms	468 KB	Output is correct
26	Correct	3 ms	468 KB	Output is correct
27	Correct	2 ms	340 KB	Output is correct
28	Correct	3 ms	468 KB	Output is correct
29	Correct	2 ms	340 KB	Output is correct
30	Correct	2 ms	340 KB	Output is correct
31	Correct	2 ms	468 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	2 ms	340 KB	Output is correct
34	Correct	2 ms	448 KB	Output is correct
35	Correct	2 ms	340 KB	Output is correct
36	Correct	2 ms	340 KB	Output is correct
37	Correct	8 ms	724 KB	Output is correct
38	Correct	9 ms	724 KB	Output is correct
39	Correct	30 ms	1056 KB	Output is correct
40	Correct	18 ms	852 KB	Output is correct
41	Correct	36 ms	1108 KB	Output is correct
42	Correct	19 ms	820 KB	Output is correct
43	Correct	31 ms	1220 KB	Output is correct
44	Correct	28 ms	1364 KB	Output is correct
45	Correct	29 ms	1284 KB	Output is correct
46	Correct	17 ms	596 KB	Output is correct
47	Correct	16 ms	840 KB	Output is correct
48	Correct	31 ms	1300 KB	Output is correct
49	Correct	33 ms	1100 KB	Output is correct
50	Correct	17 ms	920 KB	Output is correct
51	Correct	1 ms	212 KB	Output is correct
52	Correct	40 ms	1532 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	388 KB	Output is correct
25	Correct	2 ms	468 KB	Output is correct
26	Correct	3 ms	468 KB	Output is correct
27	Correct	2 ms	340 KB	Output is correct
28	Correct	3 ms	468 KB	Output is correct
29	Correct	2 ms	340 KB	Output is correct
30	Correct	2 ms	340 KB	Output is correct
31	Correct	2 ms	468 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	2 ms	340 KB	Output is correct
34	Correct	2 ms	448 KB	Output is correct
35	Correct	2 ms	340 KB	Output is correct
36	Correct	2 ms	340 KB	Output is correct
37	Correct	8 ms	724 KB	Output is correct
38	Correct	9 ms	724 KB	Output is correct
39	Correct	30 ms	1056 KB	Output is correct
40	Correct	18 ms	852 KB	Output is correct
41	Correct	36 ms	1108 KB	Output is correct
42	Correct	19 ms	820 KB	Output is correct
43	Correct	31 ms	1220 KB	Output is correct
44	Correct	28 ms	1364 KB	Output is correct
45	Correct	29 ms	1284 KB	Output is correct
46	Correct	17 ms	596 KB	Output is correct
47	Correct	16 ms	840 KB	Output is correct
48	Correct	31 ms	1300 KB	Output is correct
49	Correct	33 ms	1100 KB	Output is correct
50	Correct	17 ms	920 KB	Output is correct
51	Correct	1 ms	212 KB	Output is correct
52	Correct	40 ms	1532 KB	Output is correct
53	Correct	27 ms	1100 KB	Output is correct
54	Correct	38 ms	1360 KB	Output is correct
55	Correct	85 ms	2224 KB	Output is correct
56	Correct	34 ms	1364 KB	Output is correct
57	Correct	84 ms	2384 KB	Output is correct
58	Correct	43 ms	1356 KB	Output is correct
59	Correct	52 ms	1596 KB	Output is correct
60	Correct	0 ms	212 KB	Output is correct
61	Correct	63 ms	1828 KB	Output is correct
62	Correct	64 ms	1952 KB	Output is correct
63	Correct	79 ms	2044 KB	Output is correct
64	Correct	63 ms	2132 KB	Output is correct
65	Correct	31 ms	904 KB	Output is correct
66	Correct	32 ms	1004 KB	Output is correct

Subtask #6
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	0 ms	340 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	388 KB	Output is correct
25	Correct	2 ms	468 KB	Output is correct
26	Correct	3 ms	468 KB	Output is correct
27	Correct	2 ms	340 KB	Output is correct
28	Correct	3 ms	468 KB	Output is correct
29	Correct	2 ms	340 KB	Output is correct
30	Correct	2 ms	340 KB	Output is correct
31	Correct	2 ms	468 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	2 ms	340 KB	Output is correct
34	Correct	2 ms	448 KB	Output is correct
35	Correct	2 ms	340 KB	Output is correct
36	Correct	2 ms	340 KB	Output is correct
37	Correct	8 ms	724 KB	Output is correct
38	Correct	9 ms	724 KB	Output is correct
39	Correct	30 ms	1056 KB	Output is correct
40	Correct	18 ms	852 KB	Output is correct
41	Correct	36 ms	1108 KB	Output is correct
42	Correct	19 ms	820 KB	Output is correct
43	Correct	31 ms	1220 KB	Output is correct
44	Correct	28 ms	1364 KB	Output is correct
45	Correct	29 ms	1284 KB	Output is correct
46	Correct	17 ms	596 KB	Output is correct
47	Correct	16 ms	840 KB	Output is correct
48	Correct	31 ms	1300 KB	Output is correct
49	Correct	33 ms	1100 KB	Output is correct
50	Correct	17 ms	920 KB	Output is correct
51	Correct	1 ms	212 KB	Output is correct
52	Correct	40 ms	1532 KB	Output is correct
53	Correct	27 ms	1100 KB	Output is correct
54	Correct	38 ms	1360 KB	Output is correct
55	Correct	85 ms	2224 KB	Output is correct
56	Correct	34 ms	1364 KB	Output is correct
57	Correct	84 ms	2384 KB	Output is correct
58	Correct	43 ms	1356 KB	Output is correct
59	Correct	52 ms	1596 KB	Output is correct
60	Correct	0 ms	212 KB	Output is correct
61	Correct	63 ms	1828 KB	Output is correct
62	Correct	64 ms	1952 KB	Output is correct
63	Correct	79 ms	2044 KB	Output is correct
64	Correct	63 ms	2132 KB	Output is correct
65	Correct	31 ms	904 KB	Output is correct
66	Correct	32 ms	1004 KB	Output is correct
67	Correct	63 ms	1724 KB	Output is correct
68	Correct	35 ms	1280 KB	Output is correct
69	Correct	208 ms	3948 KB	Output is correct
70	Correct	123 ms	2596 KB	Output is correct
71	Correct	115 ms	2544 KB	Output is correct
72	Correct	112 ms	1692 KB	Output is correct
73	Correct	111 ms	1684 KB	Output is correct
74	Correct	224 ms	4092 KB	Output is correct
75	Correct	176 ms	3356 KB	Output is correct
76	Correct	235 ms	4288 KB	Output is correct
77	Correct	237 ms	4352 KB	Output is correct

답안 #671940

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