oj.uz

Submission #343812

# Submission time Handle Problem Language Result Execution time Memory
343812 2021-01-04T13:53:57 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 , b2 , 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;
			if(i == 0) {
				b2 |= (b2 << a[j]);
				b2[a[j]] = 1;
			}
			else {
				b3 |= (b3 << a[j]);
				b3[a[j]] = 1;
			}
		}
		if(i) b3 <<= a[i]/2;
		if(i == 1) b1 = b3;
		if(i > 1) b1 &= b3;
	}
	if(!b2[sum/2]) {
		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:73:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   73 | 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 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 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 1 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 4 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 384 KB Output is correct
18 Correct 3 ms 364 KB Output is correct
19 Correct 4 ms 364 KB Output is correct
20 Correct 6 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 1 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 4 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 384 KB Output is correct
18 Correct 3 ms 364 KB Output is correct
19 Correct 4 ms 364 KB Output is correct
20 Correct 6 ms 364 KB Output is correct
21 Correct 18 ms 492 KB Output is correct
22 Correct 25 ms 384 KB Output is correct
23 Correct 11 ms 492 KB Output is correct
24 Correct 38 ms 492 KB Output is correct
25 Correct 39 ms 492 KB Output is correct
26 Correct 43 ms 468 KB Output is correct
27 Correct 43 ms 492 KB Output is correct
28 Correct 43 ms 492 KB Output is correct
29 Correct 44 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 43 ms 492 KB Output is correct
32 Correct 43 ms 492 KB Output is correct
33 Correct 43 ms 364 KB Output is correct
34 Correct 43 ms 384 KB Output is correct
35 Correct 43 ms 364 KB Output is correct
36 Correct 43 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 1 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 4 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 384 KB Output is correct
18 Correct 3 ms 364 KB Output is correct
19 Correct 4 ms 364 KB Output is correct
20 Correct 6 ms 364 KB Output is correct
21 Correct 18 ms 492 KB Output is correct
22 Correct 25 ms 384 KB Output is correct
23 Correct 11 ms 492 KB Output is correct
24 Correct 38 ms 492 KB Output is correct
25 Correct 39 ms 492 KB Output is correct
26 Correct 43 ms 468 KB Output is correct
27 Correct 43 ms 492 KB Output is correct
28 Correct 43 ms 492 KB Output is correct
29 Correct 44 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 43 ms 492 KB Output is correct
32 Correct 43 ms 492 KB Output is correct
33 Correct 43 ms 364 KB Output is correct
34 Correct 43 ms 384 KB Output is correct
35 Correct 43 ms 364 KB Output is correct
36 Correct 43 ms 492 KB Output is correct
37 Correct 177 ms 620 KB Output is correct
38 Correct 170 ms 620 KB Output is correct
39 Correct 258 ms 364 KB Output is correct
40 Correct 315 ms 620 KB Output is correct
41 Correct 303 ms 364 KB Output is correct
42 Correct 263 ms 620 KB Output is correct
43 Correct 252 ms 748 KB Output is correct
44 Correct 264 ms 748 KB Output is correct
45 Correct 265 ms 748 KB Output is correct
46 Correct 308 ms 492 KB Output is correct
47 Correct 276 ms 620 KB Output is correct
48 Correct 263 ms 748 KB Output is correct
49 Correct 263 ms 492 KB Output is correct
50 Correct 262 ms 620 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 308 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 1 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 4 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 384 KB Output is correct
18 Correct 3 ms 364 KB Output is correct
19 Correct 4 ms 364 KB Output is correct
20 Correct 6 ms 364 KB Output is correct
21 Correct 18 ms 492 KB Output is correct
22 Correct 25 ms 384 KB Output is correct
23 Correct 11 ms 492 KB Output is correct
24 Correct 38 ms 492 KB Output is correct
25 Correct 39 ms 492 KB Output is correct
26 Correct 43 ms 468 KB Output is correct
27 Correct 43 ms 492 KB Output is correct
28 Correct 43 ms 492 KB Output is correct
29 Correct 44 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 43 ms 492 KB Output is correct
32 Correct 43 ms 492 KB Output is correct
33 Correct 43 ms 364 KB Output is correct
34 Correct 43 ms 384 KB Output is correct
35 Correct 43 ms 364 KB Output is correct
36 Correct 43 ms 492 KB Output is correct
37 Correct 177 ms 620 KB Output is correct
38 Correct 170 ms 620 KB Output is correct
39 Correct 258 ms 364 KB Output is correct
40 Correct 315 ms 620 KB Output is correct
41 Correct 303 ms 364 KB Output is correct
42 Correct 263 ms 620 KB Output is correct
43 Correct 252 ms 748 KB Output is correct
44 Correct 264 ms 748 KB Output is correct
45 Correct 265 ms 748 KB Output is correct
46 Correct 308 ms 492 KB Output is correct
47 Correct 276 ms 620 KB Output is correct
48 Correct 263 ms 748 KB Output is correct
49 Correct 263 ms 492 KB Output is correct
50 Correct 262 ms 620 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 308 ms 876 KB Output is correct
53 Correct 376 ms 748 KB Output is correct
54 Correct 528 ms 1024 KB Output is correct
55 Correct 524 ms 1008 KB Output is correct
56 Correct 395 ms 768 KB Output is correct
57 Correct 534 ms 1136 KB Output is correct
58 Correct 517 ms 876 KB Output is correct
59 Correct 522 ms 1008 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 518 ms 1008 KB Output is correct
62 Correct 437 ms 1008 KB Output is correct
63 Correct 431 ms 1008 KB Output is correct
64 Correct 425 ms 984 KB Output is correct
65 Correct 415 ms 492 KB Output is correct
66 Correct 403 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 1 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 4 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 384 KB Output is correct
18 Correct 3 ms 364 KB Output is correct
19 Correct 4 ms 364 KB Output is correct
20 Correct 6 ms 364 KB Output is correct
21 Correct 18 ms 492 KB Output is correct
22 Correct 25 ms 384 KB Output is correct
23 Correct 11 ms 492 KB Output is correct
24 Correct 38 ms 492 KB Output is correct
25 Correct 39 ms 492 KB Output is correct
26 Correct 43 ms 468 KB Output is correct
27 Correct 43 ms 492 KB Output is correct
28 Correct 43 ms 492 KB Output is correct
29 Correct 44 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 43 ms 492 KB Output is correct
32 Correct 43 ms 492 KB Output is correct
33 Correct 43 ms 364 KB Output is correct
34 Correct 43 ms 384 KB Output is correct
35 Correct 43 ms 364 KB Output is correct
36 Correct 43 ms 492 KB Output is correct
37 Correct 177 ms 620 KB Output is correct
38 Correct 170 ms 620 KB Output is correct
39 Correct 258 ms 364 KB Output is correct
40 Correct 315 ms 620 KB Output is correct
41 Correct 303 ms 364 KB Output is correct
42 Correct 263 ms 620 KB Output is correct
43 Correct 252 ms 748 KB Output is correct
44 Correct 264 ms 748 KB Output is correct
45 Correct 265 ms 748 KB Output is correct
46 Correct 308 ms 492 KB Output is correct
47 Correct 276 ms 620 KB Output is correct
48 Correct 263 ms 748 KB Output is correct
49 Correct 263 ms 492 KB Output is correct
50 Correct 262 ms 620 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 308 ms 876 KB Output is correct
53 Correct 376 ms 748 KB Output is correct
54 Correct 528 ms 1024 KB Output is correct
55 Correct 524 ms 1008 KB Output is correct
56 Correct 395 ms 768 KB Output is correct
57 Correct 534 ms 1136 KB Output is correct
58 Correct 517 ms 876 KB Output is correct
59 Correct 522 ms 1008 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 518 ms 1008 KB Output is correct
62 Correct 437 ms 1008 KB Output is correct
63 Correct 431 ms 1008 KB Output is correct
64 Correct 425 ms 984 KB Output is correct
65 Correct 415 ms 492 KB Output is correct
66 Correct 403 ms 492 KB Output is correct
67 Correct 678 ms 880 KB Output is correct
68 Execution timed out 1038 ms 500 KB Time limit exceeded
69 Halted 0 ms 0 KB -