oj.uz

Submission #343817

# Submission time Handle Problem Language Result Execution time Memory
343817 2021-01-04T13:57:32 Z Kalashnikov Bootfall (IZhO17_bootfall) C++17
65 / 100
 1000 ms 1136 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*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 ++) {
		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:67:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   67 | 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 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 2 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 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 2 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 5 ms 364 KB Output is correct
11 Correct 5 ms 364 KB Output is correct
12 Correct 5 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 4 ms 364 KB Output is correct
15 Correct 4 ms 364 KB Output is correct
16 Correct 5 ms 364 KB Output is correct
17 Correct 2 ms 364 KB Output is correct
18 Correct 3 ms 364 KB Output is correct
19 Correct 4 ms 364 KB Output is correct
20 Correct 4 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 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 2 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 5 ms 364 KB Output is correct
11 Correct 5 ms 364 KB Output is correct
12 Correct 5 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 4 ms 364 KB Output is correct
15 Correct 4 ms 364 KB Output is correct
16 Correct 5 ms 364 KB Output is correct
17 Correct 2 ms 364 KB Output is correct
18 Correct 3 ms 364 KB Output is correct
19 Correct 4 ms 364 KB Output is correct
20 Correct 4 ms 364 KB Output is correct
21 Correct 19 ms 364 KB Output is correct
22 Correct 26 ms 364 KB Output is correct
23 Correct 11 ms 364 KB Output is correct
24 Correct 42 ms 492 KB Output is correct
25 Correct 49 ms 492 KB Output is correct
26 Correct 44 ms 492 KB Output is correct
27 Correct 43 ms 364 KB Output is correct
28 Correct 44 ms 364 KB Output is correct
29 Correct 43 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 44 ms 492 KB Output is correct
32 Correct 44 ms 492 KB Output is correct
33 Correct 43 ms 364 KB Output is correct
34 Correct 43 ms 364 KB Output is correct
35 Correct 43 ms 364 KB Output is correct
36 Correct 46 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 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 2 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 5 ms 364 KB Output is correct
11 Correct 5 ms 364 KB Output is correct
12 Correct 5 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 4 ms 364 KB Output is correct
15 Correct 4 ms 364 KB Output is correct
16 Correct 5 ms 364 KB Output is correct
17 Correct 2 ms 364 KB Output is correct
18 Correct 3 ms 364 KB Output is correct
19 Correct 4 ms 364 KB Output is correct
20 Correct 4 ms 364 KB Output is correct
21 Correct 19 ms 364 KB Output is correct
22 Correct 26 ms 364 KB Output is correct
23 Correct 11 ms 364 KB Output is correct
24 Correct 42 ms 492 KB Output is correct
25 Correct 49 ms 492 KB Output is correct
26 Correct 44 ms 492 KB Output is correct
27 Correct 43 ms 364 KB Output is correct
28 Correct 44 ms 364 KB Output is correct
29 Correct 43 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 44 ms 492 KB Output is correct
32 Correct 44 ms 492 KB Output is correct
33 Correct 43 ms 364 KB Output is correct
34 Correct 43 ms 364 KB Output is correct
35 Correct 43 ms 364 KB Output is correct
36 Correct 46 ms 492 KB Output is correct
37 Correct 174 ms 492 KB Output is correct
38 Correct 174 ms 492 KB Output is correct
39 Correct 289 ms 512 KB Output is correct
40 Correct 313 ms 620 KB Output is correct
41 Correct 321 ms 492 KB Output is correct
42 Correct 276 ms 620 KB Output is correct
43 Correct 275 ms 876 KB Output is correct
44 Correct 285 ms 876 KB Output is correct
45 Correct 271 ms 748 KB Output is correct
46 Correct 315 ms 364 KB Output is correct
47 Correct 277 ms 620 KB Output is correct
48 Correct 281 ms 704 KB Output is correct
49 Correct 283 ms 492 KB Output is correct
50 Correct 268 ms 632 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 333 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 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 2 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 5 ms 364 KB Output is correct
11 Correct 5 ms 364 KB Output is correct
12 Correct 5 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 4 ms 364 KB Output is correct
15 Correct 4 ms 364 KB Output is correct
16 Correct 5 ms 364 KB Output is correct
17 Correct 2 ms 364 KB Output is correct
18 Correct 3 ms 364 KB Output is correct
19 Correct 4 ms 364 KB Output is correct
20 Correct 4 ms 364 KB Output is correct
21 Correct 19 ms 364 KB Output is correct
22 Correct 26 ms 364 KB Output is correct
23 Correct 11 ms 364 KB Output is correct
24 Correct 42 ms 492 KB Output is correct
25 Correct 49 ms 492 KB Output is correct
26 Correct 44 ms 492 KB Output is correct
27 Correct 43 ms 364 KB Output is correct
28 Correct 44 ms 364 KB Output is correct
29 Correct 43 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 44 ms 492 KB Output is correct
32 Correct 44 ms 492 KB Output is correct
33 Correct 43 ms 364 KB Output is correct
34 Correct 43 ms 364 KB Output is correct
35 Correct 43 ms 364 KB Output is correct
36 Correct 46 ms 492 KB Output is correct
37 Correct 174 ms 492 KB Output is correct
38 Correct 174 ms 492 KB Output is correct
39 Correct 289 ms 512 KB Output is correct
40 Correct 313 ms 620 KB Output is correct
41 Correct 321 ms 492 KB Output is correct
42 Correct 276 ms 620 KB Output is correct
43 Correct 275 ms 876 KB Output is correct
44 Correct 285 ms 876 KB Output is correct
45 Correct 271 ms 748 KB Output is correct
46 Correct 315 ms 364 KB Output is correct
47 Correct 277 ms 620 KB Output is correct
48 Correct 281 ms 704 KB Output is correct
49 Correct 283 ms 492 KB Output is correct
50 Correct 268 ms 632 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 333 ms 876 KB Output is correct
53 Correct 387 ms 748 KB Output is correct
54 Correct 526 ms 876 KB Output is correct
55 Correct 546 ms 1092 KB Output is correct
56 Correct 406 ms 876 KB Output is correct
57 Correct 525 ms 1136 KB Output is correct
58 Correct 527 ms 876 KB Output is correct
59 Correct 531 ms 964 KB Output is correct
60 Correct 1 ms 492 KB Output is correct
61 Correct 560 ms 1008 KB Output is correct
62 Correct 449 ms 1008 KB Output is correct
63 Correct 445 ms 1136 KB Output is correct
64 Correct 432 ms 1008 KB Output is correct
65 Correct 425 ms 492 KB Output is correct
66 Correct 410 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 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 2 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 5 ms 364 KB Output is correct
11 Correct 5 ms 364 KB Output is correct
12 Correct 5 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 4 ms 364 KB Output is correct
15 Correct 4 ms 364 KB Output is correct
16 Correct 5 ms 364 KB Output is correct
17 Correct 2 ms 364 KB Output is correct
18 Correct 3 ms 364 KB Output is correct
19 Correct 4 ms 364 KB Output is correct
20 Correct 4 ms 364 KB Output is correct
21 Correct 19 ms 364 KB Output is correct
22 Correct 26 ms 364 KB Output is correct
23 Correct 11 ms 364 KB Output is correct
24 Correct 42 ms 492 KB Output is correct
25 Correct 49 ms 492 KB Output is correct
26 Correct 44 ms 492 KB Output is correct
27 Correct 43 ms 364 KB Output is correct
28 Correct 44 ms 364 KB Output is correct
29 Correct 43 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 44 ms 492 KB Output is correct
32 Correct 44 ms 492 KB Output is correct
33 Correct 43 ms 364 KB Output is correct
34 Correct 43 ms 364 KB Output is correct
35 Correct 43 ms 364 KB Output is correct
36 Correct 46 ms 492 KB Output is correct
37 Correct 174 ms 492 KB Output is correct
38 Correct 174 ms 492 KB Output is correct
39 Correct 289 ms 512 KB Output is correct
40 Correct 313 ms 620 KB Output is correct
41 Correct 321 ms 492 KB Output is correct
42 Correct 276 ms 620 KB Output is correct
43 Correct 275 ms 876 KB Output is correct
44 Correct 285 ms 876 KB Output is correct
45 Correct 271 ms 748 KB Output is correct
46 Correct 315 ms 364 KB Output is correct
47 Correct 277 ms 620 KB Output is correct
48 Correct 281 ms 704 KB Output is correct
49 Correct 283 ms 492 KB Output is correct
50 Correct 268 ms 632 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 333 ms 876 KB Output is correct
53 Correct 387 ms 748 KB Output is correct
54 Correct 526 ms 876 KB Output is correct
55 Correct 546 ms 1092 KB Output is correct
56 Correct 406 ms 876 KB Output is correct
57 Correct 525 ms 1136 KB Output is correct
58 Correct 527 ms 876 KB Output is correct
59 Correct 531 ms 964 KB Output is correct
60 Correct 1 ms 492 KB Output is correct
61 Correct 560 ms 1008 KB Output is correct
62 Correct 449 ms 1008 KB Output is correct
63 Correct 445 ms 1136 KB Output is correct
64 Correct 432 ms 1008 KB Output is correct
65 Correct 425 ms 492 KB Output is correct
66 Correct 410 ms 492 KB Output is correct
67 Correct 691 ms 964 KB Output is correct
68 Correct 3 ms 364 KB Output is correct
69 Execution timed out 1075 ms 836 KB Time limit exceeded
70 Halted 0 ms 0 KB -