oj.uz

Submission #379894

# Submission time Handle Problem Language Result Execution time Memory
379894 2021-03-19T15:53:31 Z Kalashnikov Bootfall (IZhO17_bootfall) C++17
65 / 100
 349 ms 1008 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>  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 364 KB Output is correct
2 Correct 1 ms 364 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 404 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 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 364 KB Output is correct
2 Correct 1 ms 364 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 404 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 3 ms 364 KB Output is correct
15 Correct 2 ms 364 KB Output is correct
16 Correct 2 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 2 ms 364 KB Output is correct
19 Correct 2 ms 364 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 364 KB Output is correct
2 Correct 1 ms 364 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 404 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 3 ms 364 KB Output is correct
15 Correct 2 ms 364 KB Output is correct
16 Correct 2 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 2 ms 364 KB Output is correct
19 Correct 2 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 11 ms 364 KB Output is correct
22 Correct 15 ms 364 KB Output is correct
23 Correct 7 ms 364 KB Output is correct
24 Correct 18 ms 492 KB Output is correct
25 Correct 4 ms 492 KB Output is correct
26 Correct 6 ms 492 KB Output is correct
27 Correct 4 ms 364 KB Output is correct
28 Correct 2 ms 364 KB Output is correct
29 Correct 2 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 12 ms 492 KB Output is correct
32 Correct 20 ms 492 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 2 ms 364 KB Output is correct
35 Correct 2 ms 364 KB Output is correct
36 Correct 23 ms 492 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 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 404 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 3 ms 364 KB Output is correct
15 Correct 2 ms 364 KB Output is correct
16 Correct 2 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 2 ms 364 KB Output is correct
19 Correct 2 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 11 ms 364 KB Output is correct
22 Correct 15 ms 364 KB Output is correct
23 Correct 7 ms 364 KB Output is correct
24 Correct 18 ms 492 KB Output is correct
25 Correct 4 ms 492 KB Output is correct
26 Correct 6 ms 492 KB Output is correct
27 Correct 4 ms 364 KB Output is correct
28 Correct 2 ms 364 KB Output is correct
29 Correct 2 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 12 ms 492 KB Output is correct
32 Correct 20 ms 492 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 2 ms 364 KB Output is correct
35 Correct 2 ms 364 KB Output is correct
36 Correct 23 ms 492 KB Output is correct
37 Correct 43 ms 620 KB Output is correct
38 Correct 48 ms 624 KB Output is correct
39 Correct 3 ms 364 KB Output is correct
40 Correct 158 ms 620 KB Output is correct
41 Correct 3 ms 364 KB Output is correct
42 Correct 121 ms 620 KB Output is correct
43 Correct 30 ms 748 KB Output is correct
44 Correct 31 ms 748 KB Output is correct
45 Correct 31 ms 748 KB Output is correct
46 Correct 156 ms 492 KB Output is correct
47 Correct 120 ms 620 KB Output is correct
48 Correct 10 ms 620 KB Output is correct
49 Correct 6 ms 492 KB Output is correct
50 Correct 136 ms 620 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 18 ms 876 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 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 404 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 3 ms 364 KB Output is correct
15 Correct 2 ms 364 KB Output is correct
16 Correct 2 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 2 ms 364 KB Output is correct
19 Correct 2 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 11 ms 364 KB Output is correct
22 Correct 15 ms 364 KB Output is correct
23 Correct 7 ms 364 KB Output is correct
24 Correct 18 ms 492 KB Output is correct
25 Correct 4 ms 492 KB Output is correct
26 Correct 6 ms 492 KB Output is correct
27 Correct 4 ms 364 KB Output is correct
28 Correct 2 ms 364 KB Output is correct
29 Correct 2 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 12 ms 492 KB Output is correct
32 Correct 20 ms 492 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 2 ms 364 KB Output is correct
35 Correct 2 ms 364 KB Output is correct
36 Correct 23 ms 492 KB Output is correct
37 Correct 43 ms 620 KB Output is correct
38 Correct 48 ms 624 KB Output is correct
39 Correct 3 ms 364 KB Output is correct
40 Correct 158 ms 620 KB Output is correct
41 Correct 3 ms 364 KB Output is correct
42 Correct 121 ms 620 KB Output is correct
43 Correct 30 ms 748 KB Output is correct
44 Correct 31 ms 748 KB Output is correct
45 Correct 31 ms 748 KB Output is correct
46 Correct 156 ms 492 KB Output is correct
47 Correct 120 ms 620 KB Output is correct
48 Correct 10 ms 620 KB Output is correct
49 Correct 6 ms 492 KB Output is correct
50 Correct 136 ms 620 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 18 ms 876 KB Output is correct
53 Correct 150 ms 748 KB Output is correct
54 Correct 190 ms 748 KB Output is correct
55 Correct 27 ms 1008 KB Output is correct
56 Correct 181 ms 748 KB Output is correct
57 Correct 31 ms 1008 KB Output is correct
58 Correct 267 ms 876 KB Output is correct
59 Correct 152 ms 880 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 154 ms 1008 KB Output is correct
62 Correct 93 ms 1008 KB Output is correct
63 Correct 43 ms 1008 KB Output is correct
64 Correct 43 ms 1008 KB Output is correct
65 Correct 13 ms 364 KB Output is correct
66 Correct 49 ms 492 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 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 404 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 3 ms 364 KB Output is correct
15 Correct 2 ms 364 KB Output is correct
16 Correct 2 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 2 ms 364 KB Output is correct
19 Correct 2 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 11 ms 364 KB Output is correct
22 Correct 15 ms 364 KB Output is correct
23 Correct 7 ms 364 KB Output is correct
24 Correct 18 ms 492 KB Output is correct
25 Correct 4 ms 492 KB Output is correct
26 Correct 6 ms 492 KB Output is correct
27 Correct 4 ms 364 KB Output is correct
28 Correct 2 ms 364 KB Output is correct
29 Correct 2 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 12 ms 492 KB Output is correct
32 Correct 20 ms 492 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 2 ms 364 KB Output is correct
35 Correct 2 ms 364 KB Output is correct
36 Correct 23 ms 492 KB Output is correct
37 Correct 43 ms 620 KB Output is correct
38 Correct 48 ms 624 KB Output is correct
39 Correct 3 ms 364 KB Output is correct
40 Correct 158 ms 620 KB Output is correct
41 Correct 3 ms 364 KB Output is correct
42 Correct 121 ms 620 KB Output is correct
43 Correct 30 ms 748 KB Output is correct
44 Correct 31 ms 748 KB Output is correct
45 Correct 31 ms 748 KB Output is correct
46 Correct 156 ms 492 KB Output is correct
47 Correct 120 ms 620 KB Output is correct
48 Correct 10 ms 620 KB Output is correct
49 Correct 6 ms 492 KB Output is correct
50 Correct 136 ms 620 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 18 ms 876 KB Output is correct
53 Correct 150 ms 748 KB Output is correct
54 Correct 190 ms 748 KB Output is correct
55 Correct 27 ms 1008 KB Output is correct
56 Correct 181 ms 748 KB Output is correct
57 Correct 31 ms 1008 KB Output is correct
58 Correct 267 ms 876 KB Output is correct
59 Correct 152 ms 880 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 154 ms 1008 KB Output is correct
62 Correct 93 ms 1008 KB Output is correct
63 Correct 43 ms 1008 KB Output is correct
64 Correct 43 ms 1008 KB Output is correct
65 Correct 13 ms 364 KB Output is correct
66 Correct 49 ms 492 KB Output is correct
67 Correct 349 ms 1008 KB Output is correct
68 Correct 3 ms 364 KB Output is correct
69 Incorrect 61 ms 748 KB Output isn't correct
70 Halted 0 ms 0 KB -