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Submission #379895

# Submission time Handle Problem Language Result Execution time Memory
379895 2021-03-19T15:54:20 Z Kalashnikov Bootfall (IZhO17_bootfall) C++17
65 / 100
 1000 ms 1644 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*500>  b1 , 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;
	}
	for(int i = 0; i <= n; i ++) {
		if(u[a[i]]) continue;
		u[a[i]] = 1;
		b3.reset();
		for(int j = 1; j <= n; j ++) {
			if(i == j) continue;
			b3 |= (b3 << a[j]);
			b3[a[j]] = 1;
		}
		if(i == 0 && !b3[sum/2]) {
			cout << 0;
			return;
		}
		if(i) b3 <<= a[i]/2;
		if(i == 1) b1 = b3;
		if(i > 1) b1 &= b3;
	}
	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:69:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   69 | 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 492 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 1 ms 364 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 492 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 3 ms 492 KB Output is correct
12 Correct 3 ms 492 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 3 ms 492 KB Output is correct
15 Correct 3 ms 492 KB Output is correct
16 Correct 3 ms 492 KB Output is correct
17 Correct 2 ms 492 KB Output is correct
18 Correct 3 ms 492 KB Output is correct
19 Correct 3 ms 492 KB Output is correct
20 Correct 1 ms 492 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 492 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 3 ms 492 KB Output is correct
12 Correct 3 ms 492 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 3 ms 492 KB Output is correct
15 Correct 3 ms 492 KB Output is correct
16 Correct 3 ms 492 KB Output is correct
17 Correct 2 ms 492 KB Output is correct
18 Correct 3 ms 492 KB Output is correct
19 Correct 3 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 20 ms 492 KB Output is correct
22 Correct 25 ms 492 KB Output is correct
23 Correct 13 ms 512 KB Output is correct
24 Correct 35 ms 492 KB Output is correct
25 Correct 6 ms 492 KB Output is correct
26 Correct 7 ms 492 KB Output is correct
27 Correct 7 ms 492 KB Output is correct
28 Correct 4 ms 492 KB Output is correct
29 Correct 6 ms 492 KB Output is correct
30 Correct 0 ms 364 KB Output is correct
31 Correct 24 ms 492 KB Output is correct
32 Correct 39 ms 492 KB Output is correct
33 Correct 2 ms 492 KB Output is correct
34 Correct 2 ms 492 KB Output is correct
35 Correct 4 ms 492 KB Output is correct
36 Correct 44 ms 492 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 492 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 3 ms 492 KB Output is correct
12 Correct 3 ms 492 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 3 ms 492 KB Output is correct
15 Correct 3 ms 492 KB Output is correct
16 Correct 3 ms 492 KB Output is correct
17 Correct 2 ms 492 KB Output is correct
18 Correct 3 ms 492 KB Output is correct
19 Correct 3 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 20 ms 492 KB Output is correct
22 Correct 25 ms 492 KB Output is correct
23 Correct 13 ms 512 KB Output is correct
24 Correct 35 ms 492 KB Output is correct
25 Correct 6 ms 492 KB Output is correct
26 Correct 7 ms 492 KB Output is correct
27 Correct 7 ms 492 KB Output is correct
28 Correct 4 ms 492 KB Output is correct
29 Correct 6 ms 492 KB Output is correct
30 Correct 0 ms 364 KB Output is correct
31 Correct 24 ms 492 KB Output is correct
32 Correct 39 ms 492 KB Output is correct
33 Correct 2 ms 492 KB Output is correct
34 Correct 2 ms 492 KB Output is correct
35 Correct 4 ms 492 KB Output is correct
36 Correct 44 ms 492 KB Output is correct
37 Correct 85 ms 640 KB Output is correct
38 Correct 89 ms 620 KB Output is correct
39 Correct 5 ms 492 KB Output is correct
40 Correct 315 ms 748 KB Output is correct
41 Correct 5 ms 492 KB Output is correct
42 Correct 236 ms 620 KB Output is correct
43 Correct 59 ms 876 KB Output is correct
44 Correct 58 ms 876 KB Output is correct
45 Correct 69 ms 876 KB Output is correct
46 Correct 306 ms 492 KB Output is correct
47 Correct 237 ms 620 KB Output is correct
48 Correct 15 ms 748 KB Output is correct
49 Correct 10 ms 492 KB Output is correct
50 Correct 276 ms 620 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 31 ms 876 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 492 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 3 ms 492 KB Output is correct
12 Correct 3 ms 492 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 3 ms 492 KB Output is correct
15 Correct 3 ms 492 KB Output is correct
16 Correct 3 ms 492 KB Output is correct
17 Correct 2 ms 492 KB Output is correct
18 Correct 3 ms 492 KB Output is correct
19 Correct 3 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 20 ms 492 KB Output is correct
22 Correct 25 ms 492 KB Output is correct
23 Correct 13 ms 512 KB Output is correct
24 Correct 35 ms 492 KB Output is correct
25 Correct 6 ms 492 KB Output is correct
26 Correct 7 ms 492 KB Output is correct
27 Correct 7 ms 492 KB Output is correct
28 Correct 4 ms 492 KB Output is correct
29 Correct 6 ms 492 KB Output is correct
30 Correct 0 ms 364 KB Output is correct
31 Correct 24 ms 492 KB Output is correct
32 Correct 39 ms 492 KB Output is correct
33 Correct 2 ms 492 KB Output is correct
34 Correct 2 ms 492 KB Output is correct
35 Correct 4 ms 492 KB Output is correct
36 Correct 44 ms 492 KB Output is correct
37 Correct 85 ms 640 KB Output is correct
38 Correct 89 ms 620 KB Output is correct
39 Correct 5 ms 492 KB Output is correct
40 Correct 315 ms 748 KB Output is correct
41 Correct 5 ms 492 KB Output is correct
42 Correct 236 ms 620 KB Output is correct
43 Correct 59 ms 876 KB Output is correct
44 Correct 58 ms 876 KB Output is correct
45 Correct 69 ms 876 KB Output is correct
46 Correct 306 ms 492 KB Output is correct
47 Correct 237 ms 620 KB Output is correct
48 Correct 15 ms 748 KB Output is correct
49 Correct 10 ms 492 KB Output is correct
50 Correct 276 ms 620 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 31 ms 876 KB Output is correct
53 Correct 301 ms 748 KB Output is correct
54 Correct 357 ms 876 KB Output is correct
55 Correct 48 ms 1136 KB Output is correct
56 Correct 348 ms 876 KB Output is correct
57 Correct 57 ms 1136 KB Output is correct
58 Correct 538 ms 1004 KB Output is correct
59 Correct 295 ms 1008 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 299 ms 1028 KB Output is correct
62 Correct 146 ms 1008 KB Output is correct
63 Correct 78 ms 1136 KB Output is correct
64 Correct 83 ms 1008 KB Output is correct
65 Correct 25 ms 492 KB Output is correct
66 Correct 97 ms 620 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 492 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 3 ms 492 KB Output is correct
12 Correct 3 ms 492 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 3 ms 492 KB Output is correct
15 Correct 3 ms 492 KB Output is correct
16 Correct 3 ms 492 KB Output is correct
17 Correct 2 ms 492 KB Output is correct
18 Correct 3 ms 492 KB Output is correct
19 Correct 3 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 20 ms 492 KB Output is correct
22 Correct 25 ms 492 KB Output is correct
23 Correct 13 ms 512 KB Output is correct
24 Correct 35 ms 492 KB Output is correct
25 Correct 6 ms 492 KB Output is correct
26 Correct 7 ms 492 KB Output is correct
27 Correct 7 ms 492 KB Output is correct
28 Correct 4 ms 492 KB Output is correct
29 Correct 6 ms 492 KB Output is correct
30 Correct 0 ms 364 KB Output is correct
31 Correct 24 ms 492 KB Output is correct
32 Correct 39 ms 492 KB Output is correct
33 Correct 2 ms 492 KB Output is correct
34 Correct 2 ms 492 KB Output is correct
35 Correct 4 ms 492 KB Output is correct
36 Correct 44 ms 492 KB Output is correct
37 Correct 85 ms 640 KB Output is correct
38 Correct 89 ms 620 KB Output is correct
39 Correct 5 ms 492 KB Output is correct
40 Correct 315 ms 748 KB Output is correct
41 Correct 5 ms 492 KB Output is correct
42 Correct 236 ms 620 KB Output is correct
43 Correct 59 ms 876 KB Output is correct
44 Correct 58 ms 876 KB Output is correct
45 Correct 69 ms 876 KB Output is correct
46 Correct 306 ms 492 KB Output is correct
47 Correct 237 ms 620 KB Output is correct
48 Correct 15 ms 748 KB Output is correct
49 Correct 10 ms 492 KB Output is correct
50 Correct 276 ms 620 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 31 ms 876 KB Output is correct
53 Correct 301 ms 748 KB Output is correct
54 Correct 357 ms 876 KB Output is correct
55 Correct 48 ms 1136 KB Output is correct
56 Correct 348 ms 876 KB Output is correct
57 Correct 57 ms 1136 KB Output is correct
58 Correct 538 ms 1004 KB Output is correct
59 Correct 295 ms 1008 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 299 ms 1028 KB Output is correct
62 Correct 146 ms 1008 KB Output is correct
63 Correct 78 ms 1136 KB Output is correct
64 Correct 83 ms 1008 KB Output is correct
65 Correct 25 ms 492 KB Output is correct
66 Correct 97 ms 620 KB Output is correct
67 Correct 688 ms 1008 KB Output is correct
68 Correct 5 ms 364 KB Output is correct
69 Correct 126 ms 1644 KB Output is correct
70 Execution timed out 1071 ms 1288 KB Time limit exceeded
71 Halted 0 ms 0 KB -