oj.uz

Submission #346805

# Submission time Handle Problem Language Result Execution time Memory
346805 2021-01-11T06:21:07 Z acm Bootfall (IZhO17_bootfall) C++14
28 / 100
 10 ms 492 KB 
#include <bits/stdc++.h>
#define speed                   \
  ios_base::sync_with_stdio(0); \
  cin.tie(0);                   \
  cout.tie(0);
#define precision     \
  cout.precision(30); \
  cerr.precision(10);
#define ll long long
#define ld long double
#define pll pair<ll, ll>
#define pii pair<int, int>
#define forn(n) for (int i = 1; i <= n; i++)
#define forlr(l, r) for (int i = l; i != r; (l > r ? i-- : i++))
#define pb(x) push_back(x)
#define sz(x) (int)x.size()
#define mp(x, y) make_pair(x, y)
#define all(x) x.begin(), x.end()
#define pc(x) __builtin_popcount(x)
#define pcll(x) __builtin_popcountll(x)
#define F first
#define S second
using namespace std;
int n, s, a[505], dp[50005];
bitset<50005> w;
void add(int x) {
  s += x;
  for (int i = s - x; i >= 0; i--) dp[i + x] += dp[i];
}
void del(int x) {
  for (int i = x; i <= s; i++) dp[i] -= dp[i - x];
  s -= x;
}
int main() {
  speed;
  precision;
  // code
  cin >> n;
  dp[0] = 1;
  for (int i = 1; i <= n; i++) {
    cin >> a[i];
    add(a[i]);
  }
  if (s % 2 || !dp[s / 2]) {
    cout << 0;
    return 0;
  }
  for (int i = 0; i <= 12500; i++) w[i] = 1;
  for (int i = 1; i <= n; i++) {
    del(a[i]);
    for (int j = 0; j <= 12500; j++) {
      if ((s + j) % 2 || !dp[(s + j) / 2]) w[j] = 0;
    }
    add(a[i]);
  }
  cout << w.count() << "\n";
  for (int i = 1; i <= 12500; i++)
    if (w[i]) cout << i << " ";
      // endl
#ifndef ONLINE_JUDGE
  cerr << "\nTime elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n";
#endif
  return 0;
}

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 384 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 384 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 2 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 2 ms 364 KB Output is correct
14 Correct 2 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 2 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 384 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 2 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 2 ms 364 KB Output is correct
14 Correct 2 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 2 ms 364 KB Output is correct
21 Correct 3 ms 364 KB Output is correct
22 Correct 3 ms 364 KB Output is correct
23 Correct 2 ms 364 KB Output is correct
24 Correct 4 ms 364 KB Output is correct
25 Correct 4 ms 364 KB Output is correct
26 Correct 5 ms 364 KB Output is correct
27 Correct 5 ms 364 KB Output is correct
28 Correct 6 ms 364 KB Output is correct
29 Correct 5 ms 364 KB Output is correct
30 Correct 4 ms 384 KB Output is correct
31 Correct 4 ms 364 KB Output is correct
32 Correct 5 ms 364 KB Output is correct
33 Correct 6 ms 364 KB Output is correct
34 Correct 5 ms 364 KB Output is correct
35 Correct 5 ms 384 KB Output is correct
36 Correct 4 ms 364 KB Output is correct

Subtask #4
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 384 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 2 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 2 ms 364 KB Output is correct
14 Correct 2 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 2 ms 364 KB Output is correct
21 Correct 3 ms 364 KB Output is correct
22 Correct 3 ms 364 KB Output is correct
23 Correct 2 ms 364 KB Output is correct
24 Correct 4 ms 364 KB Output is correct
25 Correct 4 ms 364 KB Output is correct
26 Correct 5 ms 364 KB Output is correct
27 Correct 5 ms 364 KB Output is correct
28 Correct 6 ms 364 KB Output is correct
29 Correct 5 ms 364 KB Output is correct
30 Correct 4 ms 384 KB Output is correct
31 Correct 4 ms 364 KB Output is correct
32 Correct 5 ms 364 KB Output is correct
33 Correct 6 ms 364 KB Output is correct
34 Correct 5 ms 364 KB Output is correct
35 Correct 5 ms 384 KB Output is correct
36 Correct 4 ms 364 KB Output is correct
37 Incorrect 10 ms 492 KB Output isn't correct
38 Halted 0 ms 0 KB -

Subtask #5
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 384 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 2 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 2 ms 364 KB Output is correct
14 Correct 2 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 2 ms 364 KB Output is correct
21 Correct 3 ms 364 KB Output is correct
22 Correct 3 ms 364 KB Output is correct
23 Correct 2 ms 364 KB Output is correct
24 Correct 4 ms 364 KB Output is correct
25 Correct 4 ms 364 KB Output is correct
26 Correct 5 ms 364 KB Output is correct
27 Correct 5 ms 364 KB Output is correct
28 Correct 6 ms 364 KB Output is correct
29 Correct 5 ms 364 KB Output is correct
30 Correct 4 ms 384 KB Output is correct
31 Correct 4 ms 364 KB Output is correct
32 Correct 5 ms 364 KB Output is correct
33 Correct 6 ms 364 KB Output is correct
34 Correct 5 ms 364 KB Output is correct
35 Correct 5 ms 384 KB Output is correct
36 Correct 4 ms 364 KB Output is correct
37 Incorrect 10 ms 492 KB Output isn't correct
38 Halted 0 ms 0 KB -

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 384 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 2 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 2 ms 364 KB Output is correct
14 Correct 2 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 2 ms 364 KB Output is correct
21 Correct 3 ms 364 KB Output is correct
22 Correct 3 ms 364 KB Output is correct
23 Correct 2 ms 364 KB Output is correct
24 Correct 4 ms 364 KB Output is correct
25 Correct 4 ms 364 KB Output is correct
26 Correct 5 ms 364 KB Output is correct
27 Correct 5 ms 364 KB Output is correct
28 Correct 6 ms 364 KB Output is correct
29 Correct 5 ms 364 KB Output is correct
30 Correct 4 ms 384 KB Output is correct
31 Correct 4 ms 364 KB Output is correct
32 Correct 5 ms 364 KB Output is correct
33 Correct 6 ms 364 KB Output is correct
34 Correct 5 ms 364 KB Output is correct
35 Correct 5 ms 384 KB Output is correct
36 Correct 4 ms 364 KB Output is correct
37 Incorrect 10 ms 492 KB Output isn't correct
38 Halted 0 ms 0 KB -