oj.uz

Submission #346808

# Submission time Handle Problem Language Result Execution time Memory
346808 2021-01-11T06:22:53 Z acm Bootfall (IZhO17_bootfall) C++14
28 / 100
 36 ms 620 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[100005];
bitset<100005> 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 <= 25000; i++) w[i] = 1;
  for (int i = 1; i <= n; i++) {
    del(a[i]);
    for (int j = 0; j <= 25000; j++) {
      if ((s + j) % 2 || !dp[(s + j) / 2]) w[j] = 0;
    }
    add(a[i]);
  }
  cout << w.count() << "\n";
  for (int i = 1; i <= 25000; 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 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 2 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 2 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 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 2 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 2 ms 364 KB Output is correct
10 Correct 3 ms 364 KB Output is correct
11 Correct 3 ms 364 KB Output is correct
12 Correct 3 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 2 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 3 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 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 2 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 2 ms 364 KB Output is correct
10 Correct 3 ms 364 KB Output is correct
11 Correct 3 ms 364 KB Output is correct
12 Correct 3 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 2 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 3 ms 364 KB Output is correct
21 Correct 5 ms 364 KB Output is correct
22 Correct 6 ms 364 KB Output is correct
23 Correct 4 ms 364 KB Output is correct
24 Correct 7 ms 364 KB Output is correct
25 Correct 7 ms 364 KB Output is correct
26 Correct 8 ms 364 KB Output is correct
27 Correct 8 ms 364 KB Output is correct
28 Correct 8 ms 364 KB Output is correct
29 Correct 8 ms 364 KB Output is correct
30 Correct 8 ms 364 KB Output is correct
31 Correct 8 ms 364 KB Output is correct
32 Correct 7 ms 364 KB Output is correct
33 Correct 8 ms 364 KB Output is correct
34 Correct 8 ms 364 KB Output is correct
35 Correct 8 ms 364 KB Output is correct
36 Correct 7 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 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 2 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 2 ms 364 KB Output is correct
10 Correct 3 ms 364 KB Output is correct
11 Correct 3 ms 364 KB Output is correct
12 Correct 3 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 2 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 3 ms 364 KB Output is correct
21 Correct 5 ms 364 KB Output is correct
22 Correct 6 ms 364 KB Output is correct
23 Correct 4 ms 364 KB Output is correct
24 Correct 7 ms 364 KB Output is correct
25 Correct 7 ms 364 KB Output is correct
26 Correct 8 ms 364 KB Output is correct
27 Correct 8 ms 364 KB Output is correct
28 Correct 8 ms 364 KB Output is correct
29 Correct 8 ms 364 KB Output is correct
30 Correct 8 ms 364 KB Output is correct
31 Correct 8 ms 364 KB Output is correct
32 Correct 7 ms 364 KB Output is correct
33 Correct 8 ms 364 KB Output is correct
34 Correct 8 ms 364 KB Output is correct
35 Correct 8 ms 364 KB Output is correct
36 Correct 7 ms 364 KB Output is correct
37 Correct 17 ms 620 KB Output is correct
38 Correct 19 ms 492 KB Output is correct
39 Incorrect 36 ms 620 KB Output isn't correct
40 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 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 2 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 2 ms 364 KB Output is correct
10 Correct 3 ms 364 KB Output is correct
11 Correct 3 ms 364 KB Output is correct
12 Correct 3 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 2 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 3 ms 364 KB Output is correct
21 Correct 5 ms 364 KB Output is correct
22 Correct 6 ms 364 KB Output is correct
23 Correct 4 ms 364 KB Output is correct
24 Correct 7 ms 364 KB Output is correct
25 Correct 7 ms 364 KB Output is correct
26 Correct 8 ms 364 KB Output is correct
27 Correct 8 ms 364 KB Output is correct
28 Correct 8 ms 364 KB Output is correct
29 Correct 8 ms 364 KB Output is correct
30 Correct 8 ms 364 KB Output is correct
31 Correct 8 ms 364 KB Output is correct
32 Correct 7 ms 364 KB Output is correct
33 Correct 8 ms 364 KB Output is correct
34 Correct 8 ms 364 KB Output is correct
35 Correct 8 ms 364 KB Output is correct
36 Correct 7 ms 364 KB Output is correct
37 Correct 17 ms 620 KB Output is correct
38 Correct 19 ms 492 KB Output is correct
39 Incorrect 36 ms 620 KB Output isn't correct
40 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 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 2 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 2 ms 364 KB Output is correct
10 Correct 3 ms 364 KB Output is correct
11 Correct 3 ms 364 KB Output is correct
12 Correct 3 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 2 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 3 ms 364 KB Output is correct
21 Correct 5 ms 364 KB Output is correct
22 Correct 6 ms 364 KB Output is correct
23 Correct 4 ms 364 KB Output is correct
24 Correct 7 ms 364 KB Output is correct
25 Correct 7 ms 364 KB Output is correct
26 Correct 8 ms 364 KB Output is correct
27 Correct 8 ms 364 KB Output is correct
28 Correct 8 ms 364 KB Output is correct
29 Correct 8 ms 364 KB Output is correct
30 Correct 8 ms 364 KB Output is correct
31 Correct 8 ms 364 KB Output is correct
32 Correct 7 ms 364 KB Output is correct
33 Correct 8 ms 364 KB Output is correct
34 Correct 8 ms 364 KB Output is correct
35 Correct 8 ms 364 KB Output is correct
36 Correct 7 ms 364 KB Output is correct
37 Correct 17 ms 620 KB Output is correct
38 Correct 19 ms 492 KB Output is correct
39 Incorrect 36 ms 620 KB Output isn't correct
40 Halted 0 ms 0 KB -