oj.uz

Submission #343684

# Submission time Handle Problem Language Result Execution time Memory
343684 2021-01-04T11:36:38 Z Kalashnikov Bootfall (IZhO17_bootfall) C++17
44 / 100
 1000 ms 10092 KB 
#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> dp[N] , b1;


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;
	}
	set<int> st;
	for(int i = 0; i <= n; i ++) {
		for(int j = 1; j <= n; j ++) {
			if(i == j) continue;
			dp[i] = (dp[i] | (dp[i] << a[j]));
			dp[i][a[j]] = 1;
		}
		dp[i] <<= a[i]/2;
		if(i == 1) b1 = dp[i];
		if(i > 1) b1 &= dp[i];
	}
	if(sum%2 || !dp[0][sum/2] || cnt[0] == cnt[1]) {
		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:63:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   63 | main() {
      |      ^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 620 KB Output is correct
2 Correct 1 ms 620 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 620 KB Output is correct
5 Correct 3 ms 876 KB Output is correct
6 Correct 2 ms 748 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 4 ms 876 KB Output is correct
9 Correct 2 ms 748 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 620 KB Output is correct
2 Correct 1 ms 620 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 620 KB Output is correct
5 Correct 3 ms 876 KB Output is correct
6 Correct 2 ms 748 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 4 ms 876 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 12 ms 1388 KB Output is correct
11 Correct 11 ms 1388 KB Output is correct
12 Correct 12 ms 1388 KB Output is correct
13 Correct 9 ms 1260 KB Output is correct
14 Correct 10 ms 1260 KB Output is correct
15 Correct 10 ms 1260 KB Output is correct
16 Correct 12 ms 1388 KB Output is correct
17 Correct 6 ms 1004 KB Output is correct
18 Correct 8 ms 1132 KB Output is correct
19 Correct 9 ms 1260 KB Output is correct
20 Correct 14 ms 1388 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 620 KB Output is correct
2 Correct 1 ms 620 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 620 KB Output is correct
5 Correct 3 ms 876 KB Output is correct
6 Correct 2 ms 748 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 4 ms 876 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 12 ms 1388 KB Output is correct
11 Correct 11 ms 1388 KB Output is correct
12 Correct 12 ms 1388 KB Output is correct
13 Correct 9 ms 1260 KB Output is correct
14 Correct 10 ms 1260 KB Output is correct
15 Correct 10 ms 1260 KB Output is correct
16 Correct 12 ms 1388 KB Output is correct
17 Correct 6 ms 1004 KB Output is correct
18 Correct 8 ms 1132 KB Output is correct
19 Correct 9 ms 1260 KB Output is correct
20 Correct 14 ms 1388 KB Output is correct
21 Correct 48 ms 2412 KB Output is correct
22 Correct 63 ms 2788 KB Output is correct
23 Correct 35 ms 2028 KB Output is correct
24 Correct 100 ms 3436 KB Output is correct
25 Correct 102 ms 3436 KB Output is correct
26 Correct 122 ms 3684 KB Output is correct
27 Correct 121 ms 3744 KB Output is correct
28 Correct 116 ms 3564 KB Output is correct
29 Correct 113 ms 3564 KB Output is correct
30 Correct 114 ms 3564 KB Output is correct
31 Correct 125 ms 3692 KB Output is correct
32 Correct 113 ms 3556 KB Output is correct
33 Correct 113 ms 3564 KB Output is correct
34 Correct 115 ms 3564 KB Output is correct
35 Correct 136 ms 3564 KB Output is correct
36 Correct 124 ms 3564 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 620 KB Output is correct
2 Correct 1 ms 620 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 620 KB Output is correct
5 Correct 3 ms 876 KB Output is correct
6 Correct 2 ms 748 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 4 ms 876 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 12 ms 1388 KB Output is correct
11 Correct 11 ms 1388 KB Output is correct
12 Correct 12 ms 1388 KB Output is correct
13 Correct 9 ms 1260 KB Output is correct
14 Correct 10 ms 1260 KB Output is correct
15 Correct 10 ms 1260 KB Output is correct
16 Correct 12 ms 1388 KB Output is correct
17 Correct 6 ms 1004 KB Output is correct
18 Correct 8 ms 1132 KB Output is correct
19 Correct 9 ms 1260 KB Output is correct
20 Correct 14 ms 1388 KB Output is correct
21 Correct 48 ms 2412 KB Output is correct
22 Correct 63 ms 2788 KB Output is correct
23 Correct 35 ms 2028 KB Output is correct
24 Correct 100 ms 3436 KB Output is correct
25 Correct 102 ms 3436 KB Output is correct
26 Correct 122 ms 3684 KB Output is correct
27 Correct 121 ms 3744 KB Output is correct
28 Correct 116 ms 3564 KB Output is correct
29 Correct 113 ms 3564 KB Output is correct
30 Correct 114 ms 3564 KB Output is correct
31 Correct 125 ms 3692 KB Output is correct
32 Correct 113 ms 3556 KB Output is correct
33 Correct 113 ms 3564 KB Output is correct
34 Correct 115 ms 3564 KB Output is correct
35 Correct 136 ms 3564 KB Output is correct
36 Correct 124 ms 3564 KB Output is correct
37 Correct 474 ms 6764 KB Output is correct
38 Correct 495 ms 6756 KB Output is correct
39 Correct 732 ms 8200 KB Output is correct
40 Correct 827 ms 8940 KB Output is correct
41 Correct 823 ms 8808 KB Output is correct
42 Correct 701 ms 8316 KB Output is correct
43 Correct 675 ms 8300 KB Output is correct
44 Correct 709 ms 8556 KB Output is correct
45 Correct 712 ms 8684 KB Output is correct
46 Correct 823 ms 8688 KB Output is correct
47 Correct 708 ms 8360 KB Output is correct
48 Correct 708 ms 8588 KB Output is correct
49 Correct 747 ms 8172 KB Output is correct
50 Correct 814 ms 8372 KB Output is correct
51 Correct 724 ms 8172 KB Output is correct
52 Correct 817 ms 9196 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 620 KB Output is correct
2 Correct 1 ms 620 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 620 KB Output is correct
5 Correct 3 ms 876 KB Output is correct
6 Correct 2 ms 748 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 4 ms 876 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 12 ms 1388 KB Output is correct
11 Correct 11 ms 1388 KB Output is correct
12 Correct 12 ms 1388 KB Output is correct
13 Correct 9 ms 1260 KB Output is correct
14 Correct 10 ms 1260 KB Output is correct
15 Correct 10 ms 1260 KB Output is correct
16 Correct 12 ms 1388 KB Output is correct
17 Correct 6 ms 1004 KB Output is correct
18 Correct 8 ms 1132 KB Output is correct
19 Correct 9 ms 1260 KB Output is correct
20 Correct 14 ms 1388 KB Output is correct
21 Correct 48 ms 2412 KB Output is correct
22 Correct 63 ms 2788 KB Output is correct
23 Correct 35 ms 2028 KB Output is correct
24 Correct 100 ms 3436 KB Output is correct
25 Correct 102 ms 3436 KB Output is correct
26 Correct 122 ms 3684 KB Output is correct
27 Correct 121 ms 3744 KB Output is correct
28 Correct 116 ms 3564 KB Output is correct
29 Correct 113 ms 3564 KB Output is correct
30 Correct 114 ms 3564 KB Output is correct
31 Correct 125 ms 3692 KB Output is correct
32 Correct 113 ms 3556 KB Output is correct
33 Correct 113 ms 3564 KB Output is correct
34 Correct 115 ms 3564 KB Output is correct
35 Correct 136 ms 3564 KB Output is correct
36 Correct 124 ms 3564 KB Output is correct
37 Correct 474 ms 6764 KB Output is correct
38 Correct 495 ms 6756 KB Output is correct
39 Correct 732 ms 8200 KB Output is correct
40 Correct 827 ms 8940 KB Output is correct
41 Correct 823 ms 8808 KB Output is correct
42 Correct 701 ms 8316 KB Output is correct
43 Correct 675 ms 8300 KB Output is correct
44 Correct 709 ms 8556 KB Output is correct
45 Correct 712 ms 8684 KB Output is correct
46 Correct 823 ms 8688 KB Output is correct
47 Correct 708 ms 8360 KB Output is correct
48 Correct 708 ms 8588 KB Output is correct
49 Correct 747 ms 8172 KB Output is correct
50 Correct 814 ms 8372 KB Output is correct
51 Correct 724 ms 8172 KB Output is correct
52 Correct 817 ms 9196 KB Output is correct
53 Execution timed out 1020 ms 10092 KB Time limit exceeded
54 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 620 KB Output is correct
2 Correct 1 ms 620 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 620 KB Output is correct
5 Correct 3 ms 876 KB Output is correct
6 Correct 2 ms 748 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 4 ms 876 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 12 ms 1388 KB Output is correct
11 Correct 11 ms 1388 KB Output is correct
12 Correct 12 ms 1388 KB Output is correct
13 Correct 9 ms 1260 KB Output is correct
14 Correct 10 ms 1260 KB Output is correct
15 Correct 10 ms 1260 KB Output is correct
16 Correct 12 ms 1388 KB Output is correct
17 Correct 6 ms 1004 KB Output is correct
18 Correct 8 ms 1132 KB Output is correct
19 Correct 9 ms 1260 KB Output is correct
20 Correct 14 ms 1388 KB Output is correct
21 Correct 48 ms 2412 KB Output is correct
22 Correct 63 ms 2788 KB Output is correct
23 Correct 35 ms 2028 KB Output is correct
24 Correct 100 ms 3436 KB Output is correct
25 Correct 102 ms 3436 KB Output is correct
26 Correct 122 ms 3684 KB Output is correct
27 Correct 121 ms 3744 KB Output is correct
28 Correct 116 ms 3564 KB Output is correct
29 Correct 113 ms 3564 KB Output is correct
30 Correct 114 ms 3564 KB Output is correct
31 Correct 125 ms 3692 KB Output is correct
32 Correct 113 ms 3556 KB Output is correct
33 Correct 113 ms 3564 KB Output is correct
34 Correct 115 ms 3564 KB Output is correct
35 Correct 136 ms 3564 KB Output is correct
36 Correct 124 ms 3564 KB Output is correct
37 Correct 474 ms 6764 KB Output is correct
38 Correct 495 ms 6756 KB Output is correct
39 Correct 732 ms 8200 KB Output is correct
40 Correct 827 ms 8940 KB Output is correct
41 Correct 823 ms 8808 KB Output is correct
42 Correct 701 ms 8316 KB Output is correct
43 Correct 675 ms 8300 KB Output is correct
44 Correct 709 ms 8556 KB Output is correct
45 Correct 712 ms 8684 KB Output is correct
46 Correct 823 ms 8688 KB Output is correct
47 Correct 708 ms 8360 KB Output is correct
48 Correct 708 ms 8588 KB Output is correct
49 Correct 747 ms 8172 KB Output is correct
50 Correct 814 ms 8372 KB Output is correct
51 Correct 724 ms 8172 KB Output is correct
52 Correct 817 ms 9196 KB Output is correct
53 Execution timed out 1020 ms 10092 KB Time limit exceeded
54 Halted 0 ms 0 KB -