oj.uz

Submission #379898

# Submission time Handle Problem Language Result Execution time Memory
379898 2021-03-19T15:57:21 Z Kalashnikov Bootfall (IZhO17_bootfall) C++17
65 / 100
 685 ms 5996 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] , u[N];
bitset<500*250> 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 ++) {
		if(u[a[i]]) continue;
		u[a[i]] = 1;
		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:65:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   65 | main() {
      |      ^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 2 ms 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 2 ms 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 3 ms 620 KB Output is correct
12 Correct 2 ms 492 KB Output is correct
13 Correct 3 ms 620 KB Output is correct
14 Correct 3 ms 620 KB Output is correct
15 Correct 2 ms 492 KB Output is correct
16 Correct 3 ms 768 KB Output is correct
17 Correct 2 ms 492 KB Output is correct
18 Correct 2 ms 492 KB Output is correct
19 Correct 2 ms 492 KB Output is correct
20 Correct 1 ms 364 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 2 ms 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 3 ms 620 KB Output is correct
12 Correct 2 ms 492 KB Output is correct
13 Correct 3 ms 620 KB Output is correct
14 Correct 3 ms 620 KB Output is correct
15 Correct 2 ms 492 KB Output is correct
16 Correct 3 ms 768 KB Output is correct
17 Correct 2 ms 492 KB Output is correct
18 Correct 2 ms 492 KB Output is correct
19 Correct 2 ms 492 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 14 ms 1004 KB Output is correct
22 Correct 17 ms 1004 KB Output is correct
23 Correct 9 ms 876 KB Output is correct
24 Correct 28 ms 1136 KB Output is correct
25 Correct 5 ms 620 KB Output is correct
26 Correct 5 ms 492 KB Output is correct
27 Correct 5 ms 492 KB Output is correct
28 Correct 3 ms 492 KB Output is correct
29 Correct 3 ms 492 KB Output is correct
30 Correct 37 ms 1516 KB Output is correct
31 Correct 15 ms 876 KB Output is correct
32 Correct 35 ms 1132 KB Output is correct
33 Correct 2 ms 364 KB Output is correct
34 Correct 2 ms 364 KB Output is correct
35 Correct 4 ms 492 KB Output is correct
36 Correct 40 ms 1260 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 2 ms 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 3 ms 620 KB Output is correct
12 Correct 2 ms 492 KB Output is correct
13 Correct 3 ms 620 KB Output is correct
14 Correct 3 ms 620 KB Output is correct
15 Correct 2 ms 492 KB Output is correct
16 Correct 3 ms 768 KB Output is correct
17 Correct 2 ms 492 KB Output is correct
18 Correct 2 ms 492 KB Output is correct
19 Correct 2 ms 492 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 14 ms 1004 KB Output is correct
22 Correct 17 ms 1004 KB Output is correct
23 Correct 9 ms 876 KB Output is correct
24 Correct 28 ms 1136 KB Output is correct
25 Correct 5 ms 620 KB Output is correct
26 Correct 5 ms 492 KB Output is correct
27 Correct 5 ms 492 KB Output is correct
28 Correct 3 ms 492 KB Output is correct
29 Correct 3 ms 492 KB Output is correct
30 Correct 37 ms 1516 KB Output is correct
31 Correct 15 ms 876 KB Output is correct
32 Correct 35 ms 1132 KB Output is correct
33 Correct 2 ms 364 KB Output is correct
34 Correct 2 ms 364 KB Output is correct
35 Correct 4 ms 492 KB Output is correct
36 Correct 40 ms 1260 KB Output is correct
37 Correct 76 ms 1388 KB Output is correct
38 Correct 81 ms 1388 KB Output is correct
39 Correct 5 ms 364 KB Output is correct
40 Correct 216 ms 2924 KB Output is correct
41 Correct 4 ms 364 KB Output is correct
42 Correct 159 ms 2540 KB Output is correct
43 Correct 38 ms 1408 KB Output is correct
44 Correct 53 ms 1260 KB Output is correct
45 Correct 54 ms 1260 KB Output is correct
46 Correct 223 ms 2676 KB Output is correct
47 Correct 212 ms 2412 KB Output is correct
48 Correct 11 ms 748 KB Output is correct
49 Correct 9 ms 492 KB Output is correct
50 Correct 212 ms 2752 KB Output is correct
51 Correct 348 ms 4204 KB Output is correct
52 Correct 22 ms 1004 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 2 ms 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 3 ms 620 KB Output is correct
12 Correct 2 ms 492 KB Output is correct
13 Correct 3 ms 620 KB Output is correct
14 Correct 3 ms 620 KB Output is correct
15 Correct 2 ms 492 KB Output is correct
16 Correct 3 ms 768 KB Output is correct
17 Correct 2 ms 492 KB Output is correct
18 Correct 2 ms 492 KB Output is correct
19 Correct 2 ms 492 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 14 ms 1004 KB Output is correct
22 Correct 17 ms 1004 KB Output is correct
23 Correct 9 ms 876 KB Output is correct
24 Correct 28 ms 1136 KB Output is correct
25 Correct 5 ms 620 KB Output is correct
26 Correct 5 ms 492 KB Output is correct
27 Correct 5 ms 492 KB Output is correct
28 Correct 3 ms 492 KB Output is correct
29 Correct 3 ms 492 KB Output is correct
30 Correct 37 ms 1516 KB Output is correct
31 Correct 15 ms 876 KB Output is correct
32 Correct 35 ms 1132 KB Output is correct
33 Correct 2 ms 364 KB Output is correct
34 Correct 2 ms 364 KB Output is correct
35 Correct 4 ms 492 KB Output is correct
36 Correct 40 ms 1260 KB Output is correct
37 Correct 76 ms 1388 KB Output is correct
38 Correct 81 ms 1388 KB Output is correct
39 Correct 5 ms 364 KB Output is correct
40 Correct 216 ms 2924 KB Output is correct
41 Correct 4 ms 364 KB Output is correct
42 Correct 159 ms 2540 KB Output is correct
43 Correct 38 ms 1408 KB Output is correct
44 Correct 53 ms 1260 KB Output is correct
45 Correct 54 ms 1260 KB Output is correct
46 Correct 223 ms 2676 KB Output is correct
47 Correct 212 ms 2412 KB Output is correct
48 Correct 11 ms 748 KB Output is correct
49 Correct 9 ms 492 KB Output is correct
50 Correct 212 ms 2752 KB Output is correct
51 Correct 348 ms 4204 KB Output is correct
52 Correct 22 ms 1004 KB Output is correct
53 Correct 196 ms 2796 KB Output is correct
54 Correct 261 ms 2964 KB Output is correct
55 Correct 33 ms 1264 KB Output is correct
56 Correct 266 ms 3044 KB Output is correct
57 Correct 39 ms 1264 KB Output is correct
58 Correct 344 ms 3820 KB Output is correct
59 Correct 196 ms 2672 KB Output is correct
60 Correct 671 ms 5996 KB Output is correct
61 Correct 194 ms 2672 KB Output is correct
62 Correct 97 ms 1904 KB Output is correct
63 Correct 53 ms 1520 KB Output is correct
64 Correct 53 ms 1520 KB Output is correct
65 Correct 16 ms 620 KB Output is correct
66 Correct 64 ms 1132 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 2 ms 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 3 ms 620 KB Output is correct
12 Correct 2 ms 492 KB Output is correct
13 Correct 3 ms 620 KB Output is correct
14 Correct 3 ms 620 KB Output is correct
15 Correct 2 ms 492 KB Output is correct
16 Correct 3 ms 768 KB Output is correct
17 Correct 2 ms 492 KB Output is correct
18 Correct 2 ms 492 KB Output is correct
19 Correct 2 ms 492 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 14 ms 1004 KB Output is correct
22 Correct 17 ms 1004 KB Output is correct
23 Correct 9 ms 876 KB Output is correct
24 Correct 28 ms 1136 KB Output is correct
25 Correct 5 ms 620 KB Output is correct
26 Correct 5 ms 492 KB Output is correct
27 Correct 5 ms 492 KB Output is correct
28 Correct 3 ms 492 KB Output is correct
29 Correct 3 ms 492 KB Output is correct
30 Correct 37 ms 1516 KB Output is correct
31 Correct 15 ms 876 KB Output is correct
32 Correct 35 ms 1132 KB Output is correct
33 Correct 2 ms 364 KB Output is correct
34 Correct 2 ms 364 KB Output is correct
35 Correct 4 ms 492 KB Output is correct
36 Correct 40 ms 1260 KB Output is correct
37 Correct 76 ms 1388 KB Output is correct
38 Correct 81 ms 1388 KB Output is correct
39 Correct 5 ms 364 KB Output is correct
40 Correct 216 ms 2924 KB Output is correct
41 Correct 4 ms 364 KB Output is correct
42 Correct 159 ms 2540 KB Output is correct
43 Correct 38 ms 1408 KB Output is correct
44 Correct 53 ms 1260 KB Output is correct
45 Correct 54 ms 1260 KB Output is correct
46 Correct 223 ms 2676 KB Output is correct
47 Correct 212 ms 2412 KB Output is correct
48 Correct 11 ms 748 KB Output is correct
49 Correct 9 ms 492 KB Output is correct
50 Correct 212 ms 2752 KB Output is correct
51 Correct 348 ms 4204 KB Output is correct
52 Correct 22 ms 1004 KB Output is correct
53 Correct 196 ms 2796 KB Output is correct
54 Correct 261 ms 2964 KB Output is correct
55 Correct 33 ms 1264 KB Output is correct
56 Correct 266 ms 3044 KB Output is correct
57 Correct 39 ms 1264 KB Output is correct
58 Correct 344 ms 3820 KB Output is correct
59 Correct 196 ms 2672 KB Output is correct
60 Correct 671 ms 5996 KB Output is correct
61 Correct 194 ms 2672 KB Output is correct
62 Correct 97 ms 1904 KB Output is correct
63 Correct 53 ms 1520 KB Output is correct
64 Correct 53 ms 1520 KB Output is correct
65 Correct 16 ms 620 KB Output is correct
66 Correct 64 ms 1132 KB Output is correct
67 Correct 458 ms 4720 KB Output is correct
68 Correct 685 ms 4716 KB Output is correct
69 Incorrect 88 ms 2028 KB Output isn't correct
70 Halted 0 ms 0 KB -