답안 #343763

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
343763	2021-01-04T13:07:19 Z	Kalashnikov	Bootfall (IZhO17_bootfall)	C++17	44 / 100	1000 ms	1004 KB

bootfall

#include <bits/stdc++.h>
 
#define ios ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
#define all(a) a.begin() , a.end()
#define F first
#define S second
 
using namespace std;
using ll = long long;
 
const int N = 500+5 , inf = 2e9 + 7;
const ll INF = 1e18 ,   mod = 1e9+7 , P = 6547;

int a[N];
bitset<500*500>  b1 , b2 , b3;


void solve() {
	int n;
	cin >> n;
	int sum = 0;
	int cnt[2];
	cnt[0]=cnt[1]=0;
	for(int i = 1; i <= n; i ++) {
		cin >> a[i];
		sum += a[i];
		cnt[a[i]%2] = 1;
	}
	if(sum%2 || cnt[0]==cnt[1]) {
		cout << 0;
		return;
	}
	set<int> st;
	for(int i = 0; i <= n; i ++) {
		b3 &= 0;
		for(int j = 1; j <= n; j ++) {
			if(i == j) continue;
			if(i == 0) {
				b2 = (b2 | (b2 << a[j]) );
				b2[a[j]] = 1;
			}
			else {
				b3 = (b3 | (b3 << a[j]) );
				b3[a[j]] = 1;
			}
		}
		if(i) b3 <<= a[i]/2;
		if(i == 1) b1 = b3;
		if(i > 1) b1 &= b3;
	}
	if(!b2[sum/2]) {
		cout << 0;
		return;
	}
	vector<int> ans;
	int sta = 0;
	if(cnt[1]) sta = 1;
	for(int i = sta; i <= sum; i += 2) {
		int cur = (sum+i)/2;
		if(b1[cur]) ans.push_back(i);
	}
	sort(all(ans));
	cout << ans.size() << '\n';
	for(auto to: ans) {
		cout << to << ' ';
	}
}
/*
1 2 1 2   2


*/
main() {
    ios;
    int tt = 1;
    //cin >> tt;
    while(tt --) {
        solve();
    }
    return 0;
}

Compilation message

bootfall.cpp:74:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   74 | main() {
      |      ^

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	1 ms	492 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	2 ms	492 KB	Output is correct
5	Correct	3 ms	492 KB	Output is correct
6	Correct	2 ms	492 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	3 ms	492 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	1 ms	492 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	2 ms	492 KB	Output is correct
5	Correct	3 ms	492 KB	Output is correct
6	Correct	2 ms	492 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	3 ms	492 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	13 ms	492 KB	Output is correct
11	Correct	13 ms	492 KB	Output is correct
12	Correct	13 ms	492 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	11 ms	492 KB	Output is correct
15	Correct	11 ms	492 KB	Output is correct
16	Correct	12 ms	492 KB	Output is correct
17	Correct	5 ms	492 KB	Output is correct
18	Correct	9 ms	492 KB	Output is correct
19	Correct	10 ms	492 KB	Output is correct
20	Correct	14 ms	492 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	1 ms	492 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	2 ms	492 KB	Output is correct
5	Correct	3 ms	492 KB	Output is correct
6	Correct	2 ms	492 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	3 ms	492 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	13 ms	492 KB	Output is correct
11	Correct	13 ms	492 KB	Output is correct
12	Correct	13 ms	492 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	11 ms	492 KB	Output is correct
15	Correct	11 ms	492 KB	Output is correct
16	Correct	12 ms	492 KB	Output is correct
17	Correct	5 ms	492 KB	Output is correct
18	Correct	9 ms	492 KB	Output is correct
19	Correct	10 ms	492 KB	Output is correct
20	Correct	14 ms	492 KB	Output is correct
21	Correct	54 ms	492 KB	Output is correct
22	Correct	73 ms	492 KB	Output is correct
23	Correct	33 ms	620 KB	Output is correct
24	Correct	116 ms	492 KB	Output is correct
25	Correct	125 ms	620 KB	Output is correct
26	Correct	130 ms	640 KB	Output is correct
27	Correct	130 ms	492 KB	Output is correct
28	Correct	130 ms	620 KB	Output is correct
29	Correct	136 ms	544 KB	Output is correct
30	Correct	1 ms	492 KB	Output is correct
31	Correct	143 ms	492 KB	Output is correct
32	Correct	133 ms	492 KB	Output is correct
33	Correct	133 ms	620 KB	Output is correct
34	Correct	133 ms	620 KB	Output is correct
35	Correct	134 ms	492 KB	Output is correct
36	Correct	132 ms	696 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	1 ms	492 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	2 ms	492 KB	Output is correct
5	Correct	3 ms	492 KB	Output is correct
6	Correct	2 ms	492 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	3 ms	492 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	13 ms	492 KB	Output is correct
11	Correct	13 ms	492 KB	Output is correct
12	Correct	13 ms	492 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	11 ms	492 KB	Output is correct
15	Correct	11 ms	492 KB	Output is correct
16	Correct	12 ms	492 KB	Output is correct
17	Correct	5 ms	492 KB	Output is correct
18	Correct	9 ms	492 KB	Output is correct
19	Correct	10 ms	492 KB	Output is correct
20	Correct	14 ms	492 KB	Output is correct
21	Correct	54 ms	492 KB	Output is correct
22	Correct	73 ms	492 KB	Output is correct
23	Correct	33 ms	620 KB	Output is correct
24	Correct	116 ms	492 KB	Output is correct
25	Correct	125 ms	620 KB	Output is correct
26	Correct	130 ms	640 KB	Output is correct
27	Correct	130 ms	492 KB	Output is correct
28	Correct	130 ms	620 KB	Output is correct
29	Correct	136 ms	544 KB	Output is correct
30	Correct	1 ms	492 KB	Output is correct
31	Correct	143 ms	492 KB	Output is correct
32	Correct	133 ms	492 KB	Output is correct
33	Correct	133 ms	620 KB	Output is correct
34	Correct	133 ms	620 KB	Output is correct
35	Correct	134 ms	492 KB	Output is correct
36	Correct	132 ms	696 KB	Output is correct
37	Correct	522 ms	620 KB	Output is correct
38	Correct	526 ms	748 KB	Output is correct
39	Correct	797 ms	544 KB	Output is correct
40	Correct	954 ms	672 KB	Output is correct
41	Correct	977 ms	620 KB	Output is correct
42	Correct	895 ms	672 KB	Output is correct
43	Correct	766 ms	1004 KB	Output is correct
44	Correct	814 ms	928 KB	Output is correct
45	Correct	813 ms	1004 KB	Output is correct
46	Correct	974 ms	492 KB	Output is correct
47	Correct	827 ms	748 KB	Output is correct
48	Correct	813 ms	748 KB	Output is correct
49	Correct	807 ms	620 KB	Output is correct
50	Correct	823 ms	748 KB	Output is correct
51	Correct	1 ms	492 KB	Output is correct
52	Correct	944 ms	1004 KB	Output is correct

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	1 ms	492 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	2 ms	492 KB	Output is correct
5	Correct	3 ms	492 KB	Output is correct
6	Correct	2 ms	492 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	3 ms	492 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	13 ms	492 KB	Output is correct
11	Correct	13 ms	492 KB	Output is correct
12	Correct	13 ms	492 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	11 ms	492 KB	Output is correct
15	Correct	11 ms	492 KB	Output is correct
16	Correct	12 ms	492 KB	Output is correct
17	Correct	5 ms	492 KB	Output is correct
18	Correct	9 ms	492 KB	Output is correct
19	Correct	10 ms	492 KB	Output is correct
20	Correct	14 ms	492 KB	Output is correct
21	Correct	54 ms	492 KB	Output is correct
22	Correct	73 ms	492 KB	Output is correct
23	Correct	33 ms	620 KB	Output is correct
24	Correct	116 ms	492 KB	Output is correct
25	Correct	125 ms	620 KB	Output is correct
26	Correct	130 ms	640 KB	Output is correct
27	Correct	130 ms	492 KB	Output is correct
28	Correct	130 ms	620 KB	Output is correct
29	Correct	136 ms	544 KB	Output is correct
30	Correct	1 ms	492 KB	Output is correct
31	Correct	143 ms	492 KB	Output is correct
32	Correct	133 ms	492 KB	Output is correct
33	Correct	133 ms	620 KB	Output is correct
34	Correct	133 ms	620 KB	Output is correct
35	Correct	134 ms	492 KB	Output is correct
36	Correct	132 ms	696 KB	Output is correct
37	Correct	522 ms	620 KB	Output is correct
38	Correct	526 ms	748 KB	Output is correct
39	Correct	797 ms	544 KB	Output is correct
40	Correct	954 ms	672 KB	Output is correct
41	Correct	977 ms	620 KB	Output is correct
42	Correct	895 ms	672 KB	Output is correct
43	Correct	766 ms	1004 KB	Output is correct
44	Correct	814 ms	928 KB	Output is correct
45	Correct	813 ms	1004 KB	Output is correct
46	Correct	974 ms	492 KB	Output is correct
47	Correct	827 ms	748 KB	Output is correct
48	Correct	813 ms	748 KB	Output is correct
49	Correct	807 ms	620 KB	Output is correct
50	Correct	823 ms	748 KB	Output is correct
51	Correct	1 ms	492 KB	Output is correct
52	Correct	944 ms	1004 KB	Output is correct
53	Execution timed out	1095 ms	492 KB	Time limit exceeded
54	Halted	0 ms	0 KB	-

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	1 ms	492 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	2 ms	492 KB	Output is correct
5	Correct	3 ms	492 KB	Output is correct
6	Correct	2 ms	492 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	3 ms	492 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	13 ms	492 KB	Output is correct
11	Correct	13 ms	492 KB	Output is correct
12	Correct	13 ms	492 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	11 ms	492 KB	Output is correct
15	Correct	11 ms	492 KB	Output is correct
16	Correct	12 ms	492 KB	Output is correct
17	Correct	5 ms	492 KB	Output is correct
18	Correct	9 ms	492 KB	Output is correct
19	Correct	10 ms	492 KB	Output is correct
20	Correct	14 ms	492 KB	Output is correct
21	Correct	54 ms	492 KB	Output is correct
22	Correct	73 ms	492 KB	Output is correct
23	Correct	33 ms	620 KB	Output is correct
24	Correct	116 ms	492 KB	Output is correct
25	Correct	125 ms	620 KB	Output is correct
26	Correct	130 ms	640 KB	Output is correct
27	Correct	130 ms	492 KB	Output is correct
28	Correct	130 ms	620 KB	Output is correct
29	Correct	136 ms	544 KB	Output is correct
30	Correct	1 ms	492 KB	Output is correct
31	Correct	143 ms	492 KB	Output is correct
32	Correct	133 ms	492 KB	Output is correct
33	Correct	133 ms	620 KB	Output is correct
34	Correct	133 ms	620 KB	Output is correct
35	Correct	134 ms	492 KB	Output is correct
36	Correct	132 ms	696 KB	Output is correct
37	Correct	522 ms	620 KB	Output is correct
38	Correct	526 ms	748 KB	Output is correct
39	Correct	797 ms	544 KB	Output is correct
40	Correct	954 ms	672 KB	Output is correct
41	Correct	977 ms	620 KB	Output is correct
42	Correct	895 ms	672 KB	Output is correct
43	Correct	766 ms	1004 KB	Output is correct
44	Correct	814 ms	928 KB	Output is correct
45	Correct	813 ms	1004 KB	Output is correct
46	Correct	974 ms	492 KB	Output is correct
47	Correct	827 ms	748 KB	Output is correct
48	Correct	813 ms	748 KB	Output is correct
49	Correct	807 ms	620 KB	Output is correct
50	Correct	823 ms	748 KB	Output is correct
51	Correct	1 ms	492 KB	Output is correct
52	Correct	944 ms	1004 KB	Output is correct
53	Execution timed out	1095 ms	492 KB	Time limit exceeded
54	Halted	0 ms	0 KB	-

답안 #343763

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 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
0 / 21.0

Subtask #6
0 / 35.0