oj.uz

Submission #392928

# Submission time Handle Problem Language Result Execution time Memory
392928 2021-04-22T10:10:33 Z SoGood Bootfall (IZhO17_bootfall) C++17
65 / 100
 1000 ms 15104 KB 
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("avx,avx2,fma")

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
#define pb push_back
#define F first
#define S second
#define ins insert
#define mp make_pair
#define fo(i, n1, n, x) for(int i = n1; i <= n; i += x)
#define foo(i, n, n1, x) for(int i = n; i >= n1; i -= x)
#define bit __builtin_popcount
#define md (l + ((r - l) / 2))
#define all(x) x.begin(),x.end()
#define eb emplace_back
#define ub upper_bound
#define lb lower_bound
#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)

using namespace std;
//using namespace __gnu_pbds;
//using namespace __gnu_cxx;


using ll = long long;

//#define int ll

using pii = pair<int,int>;
using pll = pair<ll,ll>;
using vi = vector<int>;



const int N = 2e5 + 11, mod = 1e9 + 7, mod2 = 998244353;
const int MAX = 1e5 + 11;
const int INF1 = 2e9 + 11;
const ll INF2 = 6e18 + 11;
const double INF3 = 1e8 + 11;
const int base = 500;
const int P = 31;
const int dx[] = {1, -1, 0, 0, 1, 1, -1, -1};
const int dy[] = {0, 0, 1, -1, 1, -1, 1, -1};
const double EPS = 1e-4;
const double PI = acos(-1.0);


//template<typename T> using ordered_set = tree <T, null_type, less <T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T1, typename T2> inline void chmin(T1 &a, T2 b) { if (a > b) a = b; }
template<typename T1, typename T2> inline void chmax(T1 &a, T2 b) { if (a < b) a = b; }


mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int rnd(int l, int r) { return uniform_int_distribution<int> (l, r)(rng); }

int n, a[555], pref[555], sum[555];
bitset <122550> dp[505], ans, cur[505];
main() {
  file("paint");
  ios;
  cin >> n;
  fo(i, 1, n, 1) cin >> a[i], pref[i] = pref[i - 1] + a[i];
  fo(i, 1, n, 1) sum[i] = pref[i - 1] + pref[n] - pref[i];
  fo(i, 0, 122500, 1) ans.set(i);
  fo(i, 1, n + 1, 1) {
    bool t = 0;
    fo(j, 1, n, 1) {
      if (i != j) {
        if (!t) {
          dp[i][a[j]]=dp[i][0]=1;
          t = 1;
          continue;
        }
        dp[i] |= ((dp[i] << a[j]));
      }
    }
    if (i == n + 1) {
      if (pref[n] % 2 || !dp[i].test(pref[n] / 2)) return !(cout << "0");
      break;
    }
    fo(j, 0, 122500, 1) if (dp[i].test(j)) {
      int left = sum[i] - j;
      cur[i][abs(j - left)] = 1;
    }
    ans &= cur[i];
  }
  cout << ans.count() << "\n";
  fo(i, 0, 122500, 1) if (ans.test(i)) cout << i << " ";
  return 0;
}
/**
500000
250000

4
1 3 1 5

6
3 5 7 11 9 13

3
2 2 2
*/

Compilation message

bootfall.cpp:63:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   63 | main() {
      |      ^
bootfall.cpp: In function 'int main()':
bootfall.cpp:23:48: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   23 | #define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
      |                                         ~~~~~~~^~~~~~~~~~~~~~~~~~~~
bootfall.cpp:64:3: note: in expansion of macro 'file'
   64 |   file("paint");
      |   ^~~~
bootfall.cpp:23:77: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   23 | #define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
      |                                                                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
bootfall.cpp:64:3: note: in expansion of macro 'file'
   64 |   file("paint");
      |   ^~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 3 ms 588 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 2 ms 460 KB Output is correct
8 Correct 3 ms 588 KB Output is correct
9 Correct 2 ms 588 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 3 ms 588 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 2 ms 460 KB Output is correct
8 Correct 3 ms 588 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 7 ms 972 KB Output is correct
11 Correct 7 ms 844 KB Output is correct
12 Correct 7 ms 972 KB Output is correct
13 Correct 7 ms 840 KB Output is correct
14 Correct 8 ms 824 KB Output is correct
15 Correct 8 ms 844 KB Output is correct
16 Correct 7 ms 844 KB Output is correct
17 Correct 4 ms 720 KB Output is correct
18 Correct 5 ms 844 KB Output is correct
19 Correct 6 ms 844 KB Output is correct
20 Correct 7 ms 960 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 3 ms 588 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 2 ms 460 KB Output is correct
8 Correct 3 ms 588 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 7 ms 972 KB Output is correct
11 Correct 7 ms 844 KB Output is correct
12 Correct 7 ms 972 KB Output is correct
13 Correct 7 ms 840 KB Output is correct
14 Correct 8 ms 824 KB Output is correct
15 Correct 8 ms 844 KB Output is correct
16 Correct 7 ms 844 KB Output is correct
17 Correct 4 ms 720 KB Output is correct
18 Correct 5 ms 844 KB Output is correct
19 Correct 6 ms 844 KB Output is correct
20 Correct 7 ms 960 KB Output is correct
21 Correct 23 ms 1616 KB Output is correct
22 Correct 31 ms 1800 KB Output is correct
23 Correct 17 ms 1324 KB Output is correct
24 Correct 46 ms 2204 KB Output is correct
25 Correct 46 ms 2244 KB Output is correct
26 Correct 53 ms 2368 KB Output is correct
27 Correct 52 ms 2388 KB Output is correct
28 Correct 51 ms 2296 KB Output is correct
29 Correct 51 ms 2352 KB Output is correct
30 Correct 54 ms 2264 KB Output is correct
31 Correct 54 ms 2288 KB Output is correct
32 Correct 51 ms 2288 KB Output is correct
33 Correct 49 ms 2508 KB Output is correct
34 Correct 54 ms 2376 KB Output is correct
35 Correct 50 ms 2340 KB Output is correct
36 Correct 52 ms 2316 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 3 ms 588 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 2 ms 460 KB Output is correct
8 Correct 3 ms 588 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 7 ms 972 KB Output is correct
11 Correct 7 ms 844 KB Output is correct
12 Correct 7 ms 972 KB Output is correct
13 Correct 7 ms 840 KB Output is correct
14 Correct 8 ms 824 KB Output is correct
15 Correct 8 ms 844 KB Output is correct
16 Correct 7 ms 844 KB Output is correct
17 Correct 4 ms 720 KB Output is correct
18 Correct 5 ms 844 KB Output is correct
19 Correct 6 ms 844 KB Output is correct
20 Correct 7 ms 960 KB Output is correct
21 Correct 23 ms 1616 KB Output is correct
22 Correct 31 ms 1800 KB Output is correct
23 Correct 17 ms 1324 KB Output is correct
24 Correct 46 ms 2204 KB Output is correct
25 Correct 46 ms 2244 KB Output is correct
26 Correct 53 ms 2368 KB Output is correct
27 Correct 52 ms 2388 KB Output is correct
28 Correct 51 ms 2296 KB Output is correct
29 Correct 51 ms 2352 KB Output is correct
30 Correct 54 ms 2264 KB Output is correct
31 Correct 54 ms 2288 KB Output is correct
32 Correct 51 ms 2288 KB Output is correct
33 Correct 49 ms 2508 KB Output is correct
34 Correct 54 ms 2376 KB Output is correct
35 Correct 50 ms 2340 KB Output is correct
36 Correct 52 ms 2316 KB Output is correct
37 Correct 193 ms 4644 KB Output is correct
38 Correct 200 ms 4596 KB Output is correct
39 Correct 263 ms 6940 KB Output is correct
40 Correct 390 ms 6864 KB Output is correct
41 Correct 295 ms 7784 KB Output is correct
42 Correct 297 ms 6076 KB Output is correct
43 Correct 311 ms 6764 KB Output is correct
44 Correct 322 ms 6840 KB Output is correct
45 Correct 341 ms 6980 KB Output is correct
46 Correct 319 ms 6456 KB Output is correct
47 Correct 313 ms 6184 KB Output is correct
48 Correct 314 ms 7008 KB Output is correct
49 Correct 290 ms 6980 KB Output is correct
50 Correct 307 ms 6212 KB Output is correct
51 Correct 296 ms 6080 KB Output is correct
52 Correct 373 ms 7876 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 3 ms 588 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 2 ms 460 KB Output is correct
8 Correct 3 ms 588 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 7 ms 972 KB Output is correct
11 Correct 7 ms 844 KB Output is correct
12 Correct 7 ms 972 KB Output is correct
13 Correct 7 ms 840 KB Output is correct
14 Correct 8 ms 824 KB Output is correct
15 Correct 8 ms 844 KB Output is correct
16 Correct 7 ms 844 KB Output is correct
17 Correct 4 ms 720 KB Output is correct
18 Correct 5 ms 844 KB Output is correct
19 Correct 6 ms 844 KB Output is correct
20 Correct 7 ms 960 KB Output is correct
21 Correct 23 ms 1616 KB Output is correct
22 Correct 31 ms 1800 KB Output is correct
23 Correct 17 ms 1324 KB Output is correct
24 Correct 46 ms 2204 KB Output is correct
25 Correct 46 ms 2244 KB Output is correct
26 Correct 53 ms 2368 KB Output is correct
27 Correct 52 ms 2388 KB Output is correct
28 Correct 51 ms 2296 KB Output is correct
29 Correct 51 ms 2352 KB Output is correct
30 Correct 54 ms 2264 KB Output is correct
31 Correct 54 ms 2288 KB Output is correct
32 Correct 51 ms 2288 KB Output is correct
33 Correct 49 ms 2508 KB Output is correct
34 Correct 54 ms 2376 KB Output is correct
35 Correct 50 ms 2340 KB Output is correct
36 Correct 52 ms 2316 KB Output is correct
37 Correct 193 ms 4644 KB Output is correct
38 Correct 200 ms 4596 KB Output is correct
39 Correct 263 ms 6940 KB Output is correct
40 Correct 390 ms 6864 KB Output is correct
41 Correct 295 ms 7784 KB Output is correct
42 Correct 297 ms 6076 KB Output is correct
43 Correct 311 ms 6764 KB Output is correct
44 Correct 322 ms 6840 KB Output is correct
45 Correct 341 ms 6980 KB Output is correct
46 Correct 319 ms 6456 KB Output is correct
47 Correct 313 ms 6184 KB Output is correct
48 Correct 314 ms 7008 KB Output is correct
49 Correct 290 ms 6980 KB Output is correct
50 Correct 307 ms 6212 KB Output is correct
51 Correct 296 ms 6080 KB Output is correct
52 Correct 373 ms 7876 KB Output is correct
53 Correct 437 ms 7856 KB Output is correct
54 Correct 599 ms 9452 KB Output is correct
55 Correct 656 ms 11052 KB Output is correct
56 Correct 463 ms 8348 KB Output is correct
57 Correct 668 ms 11204 KB Output is correct
58 Correct 621 ms 9760 KB Output is correct
59 Correct 625 ms 10596 KB Output is correct
60 Correct 594 ms 9692 KB Output is correct
61 Correct 634 ms 10960 KB Output is correct
62 Correct 552 ms 10400 KB Output is correct
63 Correct 556 ms 10364 KB Output is correct
64 Correct 536 ms 10024 KB Output is correct
65 Correct 416 ms 8132 KB Output is correct
66 Correct 398 ms 8264 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 3 ms 588 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 2 ms 460 KB Output is correct
8 Correct 3 ms 588 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 7 ms 972 KB Output is correct
11 Correct 7 ms 844 KB Output is correct
12 Correct 7 ms 972 KB Output is correct
13 Correct 7 ms 840 KB Output is correct
14 Correct 8 ms 824 KB Output is correct
15 Correct 8 ms 844 KB Output is correct
16 Correct 7 ms 844 KB Output is correct
17 Correct 4 ms 720 KB Output is correct
18 Correct 5 ms 844 KB Output is correct
19 Correct 6 ms 844 KB Output is correct
20 Correct 7 ms 960 KB Output is correct
21 Correct 23 ms 1616 KB Output is correct
22 Correct 31 ms 1800 KB Output is correct
23 Correct 17 ms 1324 KB Output is correct
24 Correct 46 ms 2204 KB Output is correct
25 Correct 46 ms 2244 KB Output is correct
26 Correct 53 ms 2368 KB Output is correct
27 Correct 52 ms 2388 KB Output is correct
28 Correct 51 ms 2296 KB Output is correct
29 Correct 51 ms 2352 KB Output is correct
30 Correct 54 ms 2264 KB Output is correct
31 Correct 54 ms 2288 KB Output is correct
32 Correct 51 ms 2288 KB Output is correct
33 Correct 49 ms 2508 KB Output is correct
34 Correct 54 ms 2376 KB Output is correct
35 Correct 50 ms 2340 KB Output is correct
36 Correct 52 ms 2316 KB Output is correct
37 Correct 193 ms 4644 KB Output is correct
38 Correct 200 ms 4596 KB Output is correct
39 Correct 263 ms 6940 KB Output is correct
40 Correct 390 ms 6864 KB Output is correct
41 Correct 295 ms 7784 KB Output is correct
42 Correct 297 ms 6076 KB Output is correct
43 Correct 311 ms 6764 KB Output is correct
44 Correct 322 ms 6840 KB Output is correct
45 Correct 341 ms 6980 KB Output is correct
46 Correct 319 ms 6456 KB Output is correct
47 Correct 313 ms 6184 KB Output is correct
48 Correct 314 ms 7008 KB Output is correct
49 Correct 290 ms 6980 KB Output is correct
50 Correct 307 ms 6212 KB Output is correct
51 Correct 296 ms 6080 KB Output is correct
52 Correct 373 ms 7876 KB Output is correct
53 Correct 437 ms 7856 KB Output is correct
54 Correct 599 ms 9452 KB Output is correct
55 Correct 656 ms 11052 KB Output is correct
56 Correct 463 ms 8348 KB Output is correct
57 Correct 668 ms 11204 KB Output is correct
58 Correct 621 ms 9760 KB Output is correct
59 Correct 625 ms 10596 KB Output is correct
60 Correct 594 ms 9692 KB Output is correct
61 Correct 634 ms 10960 KB Output is correct
62 Correct 552 ms 10400 KB Output is correct
63 Correct 556 ms 10364 KB Output is correct
64 Correct 536 ms 10024 KB Output is correct
65 Correct 416 ms 8132 KB Output is correct
66 Correct 398 ms 8264 KB Output is correct
67 Correct 799 ms 12028 KB Output is correct
68 Execution timed out 1080 ms 15104 KB Time limit exceeded
69 Halted 0 ms 0 KB -