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Submission #233727

# Submission time Handle Problem Language Result Execution time Memory
233727 2020-05-21T14:44:32 Z Haunted_Cpp Bootfall (IZhO17_bootfall) C++17
100 / 100
 637 ms 4216 KB 
#include <bits/stdc++.h>
using namespace std;

const int N = 5e2 + 5;
const int S = N * N;

int cur [S];
int nxt [S];

int without [S];

bitset<S> ans;
bitset<S> Get;

int main () {
  ios::sync_with_stdio(0);
  cin.tie(0);
  int n;
  cin >> n;
  vector<int> a (n);
  for (int i = 0; i < n; i++) cin >> a[i];
  int whole_sum = accumulate (a.begin(), a.end(), 0);
  cur[0] = nxt[0] = 1;
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < S; j++) {
      nxt[j] = cur[j];
      if (j - a[i] >= 0) nxt[j] += cur[j - a[i]];
    }
   
    for (int j = 0; j < S; j++) {
      cur[j] = nxt[j];
      nxt[j] = 0;
    }
    nxt[0] = 1;
  }

  if ((whole_sum & 1) || (cur[whole_sum / 2] == 0) ) {
    cout << 0 << '\n';
    return 0;
  }
  /*
  for (int i = 0; i <= 10; i++) {
    cout << i << ' ' << cur[i] << '\n';
  }
  cout << '\n';
  */
  ans.set();
  for (int i = 0; i < n; i++) {
    
    whole_sum -= a[i];
    
    for (int j = 0; j < S; j++) {
      without[j] = cur[j];
    }
    
    // Remover o efeito da moeda i
    
    for (int j = a[i]; j < S; j++) {
      if (without[j]) without[j] -= without[j - a[i]];
    }
    
    Get.reset();
    for (int j = 0; j <= whole_sum; j++) {
      if (without[j]) {     
        int left = j;
        int right = whole_sum - j;
        Get[abs(left - right)] = 1;
      }
    }
  
    ans &= Get;
    whole_sum += a[i];
  } 
  
  cout << ans.count() << '\n';
  for (int i = 0; i < S; i++) if (ans[i]) cout << i << ' ';
  return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 3456 KB Output is correct
2 Correct 15 ms 3456 KB Output is correct
3 Correct 9 ms 2304 KB Output is correct
4 Correct 12 ms 3456 KB Output is correct
5 Correct 15 ms 3328 KB Output is correct
6 Correct 13 ms 3328 KB Output is correct
7 Correct 11 ms 3456 KB Output is correct
8 Correct 19 ms 3456 KB Output is correct
9 Correct 14 ms 3328 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 3456 KB Output is correct
2 Correct 15 ms 3456 KB Output is correct
3 Correct 9 ms 2304 KB Output is correct
4 Correct 12 ms 3456 KB Output is correct
5 Correct 15 ms 3328 KB Output is correct
6 Correct 13 ms 3328 KB Output is correct
7 Correct 11 ms 3456 KB Output is correct
8 Correct 19 ms 3456 KB Output is correct
9 Correct 14 ms 3328 KB Output is correct
10 Correct 30 ms 3328 KB Output is correct
11 Correct 30 ms 3328 KB Output is correct
12 Correct 51 ms 3404 KB Output is correct
13 Correct 26 ms 3328 KB Output is correct
14 Correct 28 ms 3328 KB Output is correct
15 Correct 49 ms 3320 KB Output is correct
16 Correct 30 ms 3328 KB Output is correct
17 Correct 21 ms 3328 KB Output is correct
18 Correct 26 ms 3328 KB Output is correct
19 Correct 26 ms 3328 KB Output is correct
20 Correct 29 ms 3456 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 3456 KB Output is correct
2 Correct 15 ms 3456 KB Output is correct
3 Correct 9 ms 2304 KB Output is correct
4 Correct 12 ms 3456 KB Output is correct
5 Correct 15 ms 3328 KB Output is correct
6 Correct 13 ms 3328 KB Output is correct
7 Correct 11 ms 3456 KB Output is correct
8 Correct 19 ms 3456 KB Output is correct
9 Correct 14 ms 3328 KB Output is correct
10 Correct 30 ms 3328 KB Output is correct
11 Correct 30 ms 3328 KB Output is correct
12 Correct 51 ms 3404 KB Output is correct
13 Correct 26 ms 3328 KB Output is correct
14 Correct 28 ms 3328 KB Output is correct
15 Correct 49 ms 3320 KB Output is correct
16 Correct 30 ms 3328 KB Output is correct
17 Correct 21 ms 3328 KB Output is correct
18 Correct 26 ms 3328 KB Output is correct
19 Correct 26 ms 3328 KB Output is correct
20 Correct 29 ms 3456 KB Output is correct
21 Correct 57 ms 3448 KB Output is correct
22 Correct 64 ms 3324 KB Output is correct
23 Correct 46 ms 3328 KB Output is correct
24 Correct 82 ms 3448 KB Output is correct
25 Correct 79 ms 3448 KB Output is correct
26 Correct 84 ms 3448 KB Output is correct
27 Correct 94 ms 3400 KB Output is correct
28 Correct 84 ms 3320 KB Output is correct
29 Correct 89 ms 3320 KB Output is correct
30 Correct 89 ms 3320 KB Output is correct
31 Correct 84 ms 3448 KB Output is correct
32 Correct 85 ms 3448 KB Output is correct
33 Correct 83 ms 3440 KB Output is correct
34 Correct 84 ms 3320 KB Output is correct
35 Correct 87 ms 3404 KB Output is correct
36 Correct 97 ms 3576 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 3456 KB Output is correct
2 Correct 15 ms 3456 KB Output is correct
3 Correct 9 ms 2304 KB Output is correct
4 Correct 12 ms 3456 KB Output is correct
5 Correct 15 ms 3328 KB Output is correct
6 Correct 13 ms 3328 KB Output is correct
7 Correct 11 ms 3456 KB Output is correct
8 Correct 19 ms 3456 KB Output is correct
9 Correct 14 ms 3328 KB Output is correct
10 Correct 30 ms 3328 KB Output is correct
11 Correct 30 ms 3328 KB Output is correct
12 Correct 51 ms 3404 KB Output is correct
13 Correct 26 ms 3328 KB Output is correct
14 Correct 28 ms 3328 KB Output is correct
15 Correct 49 ms 3320 KB Output is correct
16 Correct 30 ms 3328 KB Output is correct
17 Correct 21 ms 3328 KB Output is correct
18 Correct 26 ms 3328 KB Output is correct
19 Correct 26 ms 3328 KB Output is correct
20 Correct 29 ms 3456 KB Output is correct
21 Correct 57 ms 3448 KB Output is correct
22 Correct 64 ms 3324 KB Output is correct
23 Correct 46 ms 3328 KB Output is correct
24 Correct 82 ms 3448 KB Output is correct
25 Correct 79 ms 3448 KB Output is correct
26 Correct 84 ms 3448 KB Output is correct
27 Correct 94 ms 3400 KB Output is correct
28 Correct 84 ms 3320 KB Output is correct
29 Correct 89 ms 3320 KB Output is correct
30 Correct 89 ms 3320 KB Output is correct
31 Correct 84 ms 3448 KB Output is correct
32 Correct 85 ms 3448 KB Output is correct
33 Correct 83 ms 3440 KB Output is correct
34 Correct 84 ms 3320 KB Output is correct
35 Correct 87 ms 3404 KB Output is correct
36 Correct 97 ms 3576 KB Output is correct
37 Correct 169 ms 3448 KB Output is correct
38 Correct 166 ms 3448 KB Output is correct
39 Correct 208 ms 3448 KB Output is correct
40 Correct 236 ms 3448 KB Output is correct
41 Correct 232 ms 3320 KB Output is correct
42 Correct 213 ms 3448 KB Output is correct
43 Correct 218 ms 3704 KB Output is correct
44 Correct 226 ms 3576 KB Output is correct
45 Correct 234 ms 3468 KB Output is correct
46 Correct 227 ms 3448 KB Output is correct
47 Correct 220 ms 3448 KB Output is correct
48 Correct 238 ms 3448 KB Output is correct
49 Correct 221 ms 3448 KB Output is correct
50 Correct 217 ms 3576 KB Output is correct
51 Correct 120 ms 2304 KB Output is correct
52 Correct 259 ms 3576 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 3456 KB Output is correct
2 Correct 15 ms 3456 KB Output is correct
3 Correct 9 ms 2304 KB Output is correct
4 Correct 12 ms 3456 KB Output is correct
5 Correct 15 ms 3328 KB Output is correct
6 Correct 13 ms 3328 KB Output is correct
7 Correct 11 ms 3456 KB Output is correct
8 Correct 19 ms 3456 KB Output is correct
9 Correct 14 ms 3328 KB Output is correct
10 Correct 30 ms 3328 KB Output is correct
11 Correct 30 ms 3328 KB Output is correct
12 Correct 51 ms 3404 KB Output is correct
13 Correct 26 ms 3328 KB Output is correct
14 Correct 28 ms 3328 KB Output is correct
15 Correct 49 ms 3320 KB Output is correct
16 Correct 30 ms 3328 KB Output is correct
17 Correct 21 ms 3328 KB Output is correct
18 Correct 26 ms 3328 KB Output is correct
19 Correct 26 ms 3328 KB Output is correct
20 Correct 29 ms 3456 KB Output is correct
21 Correct 57 ms 3448 KB Output is correct
22 Correct 64 ms 3324 KB Output is correct
23 Correct 46 ms 3328 KB Output is correct
24 Correct 82 ms 3448 KB Output is correct
25 Correct 79 ms 3448 KB Output is correct
26 Correct 84 ms 3448 KB Output is correct
27 Correct 94 ms 3400 KB Output is correct
28 Correct 84 ms 3320 KB Output is correct
29 Correct 89 ms 3320 KB Output is correct
30 Correct 89 ms 3320 KB Output is correct
31 Correct 84 ms 3448 KB Output is correct
32 Correct 85 ms 3448 KB Output is correct
33 Correct 83 ms 3440 KB Output is correct
34 Correct 84 ms 3320 KB Output is correct
35 Correct 87 ms 3404 KB Output is correct
36 Correct 97 ms 3576 KB Output is correct
37 Correct 169 ms 3448 KB Output is correct
38 Correct 166 ms 3448 KB Output is correct
39 Correct 208 ms 3448 KB Output is correct
40 Correct 236 ms 3448 KB Output is correct
41 Correct 232 ms 3320 KB Output is correct
42 Correct 213 ms 3448 KB Output is correct
43 Correct 218 ms 3704 KB Output is correct
44 Correct 226 ms 3576 KB Output is correct
45 Correct 234 ms 3468 KB Output is correct
46 Correct 227 ms 3448 KB Output is correct
47 Correct 220 ms 3448 KB Output is correct
48 Correct 238 ms 3448 KB Output is correct
49 Correct 221 ms 3448 KB Output is correct
50 Correct 217 ms 3576 KB Output is correct
51 Correct 120 ms 2304 KB Output is correct
52 Correct 259 ms 3576 KB Output is correct
53 Correct 271 ms 3552 KB Output is correct
54 Correct 318 ms 3576 KB Output is correct
55 Correct 348 ms 3704 KB Output is correct
56 Correct 286 ms 3660 KB Output is correct
57 Correct 358 ms 3704 KB Output is correct
58 Correct 334 ms 3576 KB Output is correct
59 Correct 334 ms 3576 KB Output is correct
60 Correct 169 ms 2304 KB Output is correct
61 Correct 347 ms 3704 KB Output is correct
62 Correct 315 ms 3832 KB Output is correct
63 Correct 321 ms 3704 KB Output is correct
64 Correct 324 ms 3704 KB Output is correct
65 Correct 277 ms 3324 KB Output is correct
66 Correct 262 ms 3448 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 3456 KB Output is correct
2 Correct 15 ms 3456 KB Output is correct
3 Correct 9 ms 2304 KB Output is correct
4 Correct 12 ms 3456 KB Output is correct
5 Correct 15 ms 3328 KB Output is correct
6 Correct 13 ms 3328 KB Output is correct
7 Correct 11 ms 3456 KB Output is correct
8 Correct 19 ms 3456 KB Output is correct
9 Correct 14 ms 3328 KB Output is correct
10 Correct 30 ms 3328 KB Output is correct
11 Correct 30 ms 3328 KB Output is correct
12 Correct 51 ms 3404 KB Output is correct
13 Correct 26 ms 3328 KB Output is correct
14 Correct 28 ms 3328 KB Output is correct
15 Correct 49 ms 3320 KB Output is correct
16 Correct 30 ms 3328 KB Output is correct
17 Correct 21 ms 3328 KB Output is correct
18 Correct 26 ms 3328 KB Output is correct
19 Correct 26 ms 3328 KB Output is correct
20 Correct 29 ms 3456 KB Output is correct
21 Correct 57 ms 3448 KB Output is correct
22 Correct 64 ms 3324 KB Output is correct
23 Correct 46 ms 3328 KB Output is correct
24 Correct 82 ms 3448 KB Output is correct
25 Correct 79 ms 3448 KB Output is correct
26 Correct 84 ms 3448 KB Output is correct
27 Correct 94 ms 3400 KB Output is correct
28 Correct 84 ms 3320 KB Output is correct
29 Correct 89 ms 3320 KB Output is correct
30 Correct 89 ms 3320 KB Output is correct
31 Correct 84 ms 3448 KB Output is correct
32 Correct 85 ms 3448 KB Output is correct
33 Correct 83 ms 3440 KB Output is correct
34 Correct 84 ms 3320 KB Output is correct
35 Correct 87 ms 3404 KB Output is correct
36 Correct 97 ms 3576 KB Output is correct
37 Correct 169 ms 3448 KB Output is correct
38 Correct 166 ms 3448 KB Output is correct
39 Correct 208 ms 3448 KB Output is correct
40 Correct 236 ms 3448 KB Output is correct
41 Correct 232 ms 3320 KB Output is correct
42 Correct 213 ms 3448 KB Output is correct
43 Correct 218 ms 3704 KB Output is correct
44 Correct 226 ms 3576 KB Output is correct
45 Correct 234 ms 3468 KB Output is correct
46 Correct 227 ms 3448 KB Output is correct
47 Correct 220 ms 3448 KB Output is correct
48 Correct 238 ms 3448 KB Output is correct
49 Correct 221 ms 3448 KB Output is correct
50 Correct 217 ms 3576 KB Output is correct
51 Correct 120 ms 2304 KB Output is correct
52 Correct 259 ms 3576 KB Output is correct
53 Correct 271 ms 3552 KB Output is correct
54 Correct 318 ms 3576 KB Output is correct
55 Correct 348 ms 3704 KB Output is correct
56 Correct 286 ms 3660 KB Output is correct
57 Correct 358 ms 3704 KB Output is correct
58 Correct 334 ms 3576 KB Output is correct
59 Correct 334 ms 3576 KB Output is correct
60 Correct 169 ms 2304 KB Output is correct
61 Correct 347 ms 3704 KB Output is correct
62 Correct 315 ms 3832 KB Output is correct
63 Correct 321 ms 3704 KB Output is correct
64 Correct 324 ms 3704 KB Output is correct
65 Correct 277 ms 3324 KB Output is correct
66 Correct 262 ms 3448 KB Output is correct
67 Correct 380 ms 3704 KB Output is correct
68 Correct 236 ms 2424 KB Output is correct
69 Correct 615 ms 4088 KB Output is correct
70 Correct 528 ms 3836 KB Output is correct
71 Correct 530 ms 3832 KB Output is correct
72 Correct 520 ms 3448 KB Output is correct
73 Correct 511 ms 3320 KB Output is correct
74 Correct 631 ms 4216 KB Output is correct
75 Correct 581 ms 3960 KB Output is correct
76 Correct 625 ms 4188 KB Output is correct
77 Correct 637 ms 4088 KB Output is correct