Submission #1066337

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1066337	2024-08-19T18:25:41 Z	MilosMilutinovic	Cookies (JOI23_cookies)	C++14	12 / 100	400 ms	1048576 KB

#include <bits/stdc++.h>

using namespace std;

const int N = 505;

const int inf = (int) 1e9;

int dp[N][N][N]; // (current box size, number of taken boxes, total sum of boxes)
array<int, 3> prv[N][N][N];

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n;
  cin >> n;
  vector<int> a(n);
  for (int i = 0; i < n; i++) {
    cin >> a[i];
  }
  int m;
  cin >> m;
  vector<int> b(m);
  for (int i = 0; i < m; i++) {
    cin >> b[i];
  }
  reverse(b.begin(), b.end());
  int s = accumulate(a.begin(), a.end(), 0);
  vector<long long> limit(s + 1);
  for (int i = 0; i < n; i++) {
    for (int j = 1; j <= s; j++) {
      limit[j] += min(j, a[i]);
    }
  }
  for (int i = 0; i < m; i++) {
    for (int j = 0; j <= s; j++) {
      for (int k = 0; k <= s; k++) {
        dp[i][j][k] = inf;
        prv[i][j][k] = {-1, 0, 0};
      }
    }
  }
  dp[0][0][0] = 0;
  for (int i = 0; i < m; i++) {
    if (i > 0) {
      for (int j = 0; j <= s; j++) {
        for (int k = 0; k <= s; k++) {
          prv[i][j][k] = {i - 1, j, k};
          dp[i][j][k] = dp[i - 1][j][k];
        }
      }
    }
    for (int j = 0; j + 1 <= s; j++) {
      for (int k = 0; k + b[i] <= limit[j + 1]; k++) {
        if (dp[i][j + 1][k + b[i]] > dp[i][j][k] + 1) {
          dp[i][j + 1][k + b[i]] = dp[i][j][k] + 1;
          prv[i][j + 1][k + b[i]] = {i, j, k};
        }
      }
    }
  }
  int p = 0;
  for (int i = 0; i <= s; i++) {
    if (dp[m - 1][i][s] < dp[m - 1][p][s]) {
      p = i;
    }
  }
  int ans = dp[m - 1][p][s];
  if (ans == inf) {
    cout << -1 << '\n';
    return 0;
  }
  cout << ans << '\n';
  vector<int> v;
  int i = m - 1, j = p, k = s;
  while (i != -1) {
    if (prv[i][j][k][0] != i) {
      i -= 1;
      continue;
    }
    v.push_back(b[i]);
    j -= 1;
    k -= b[i];
  }
  sort(v.rbegin(), v.rend());
  int sz = (int) v.size();
  vector<vector<int>> ids(sz);
  set<pair<int, int>> st;
  for (int i = 0; i < n; i++) {
    st.emplace(a[i], i);
  }
  for (int i = 0; i < sz; i++) {
    vector<int> p;
    for (int foo = 0; foo < v[i]; foo++) {
      auto it = prev(st.end());
      int id = it->second;
      st.erase(it);
      ids[i].emplace_back(id);
      a[id] -= 1;
      if (a[id] > 0) {
        p.push_back(id);
      }
    }
    for (int j : p) {
      st.emplace(a[j], j);
    }
  }
  for (int i = 0; i < sz; i++) {
    cout << (int) ids[i].size() << " ";
    for (int j : ids[i]) {
      cout << j + 1 << " ";
    }
    cout << '\n';
  }
  return 0;
}

Subtask #1
0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	604 KB	Output is correct
2	Correct	1 ms	600 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	504 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	604 KB	Output is correct
8	Correct	3 ms	4444 KB	Output is correct
9	Correct	2 ms	4444 KB	Output is correct
10	Runtime error	400 ms	1048576 KB	Execution killed with signal 9
11	Halted	0 ms	0 KB	-

Subtask #2
0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	2 ms	4444 KB	Output is correct
6	Correct	2 ms	4444 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	4 ms	4444 KB	Output is correct
9	Incorrect	20 ms	24156 KB	Number of cookies does not match with A_i
10	Halted	0 ms	0 KB	-

Subtask #3
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	604 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	604 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	604 KB	Output is correct
16	Correct	0 ms	604 KB	Output is correct
17	Correct	1 ms	604 KB	Output is correct
18	Correct	0 ms	604 KB	Output is correct
19	Correct	0 ms	604 KB	Output is correct
20	Correct	1 ms	604 KB	Output is correct
21	Correct	0 ms	604 KB	Output is correct
22	Correct	1 ms	604 KB	Output is correct
23	Correct	0 ms	604 KB	Output is correct
24	Correct	0 ms	604 KB	Output is correct
25	Correct	0 ms	604 KB	Output is correct
26	Correct	0 ms	604 KB	Output is correct
27	Correct	0 ms	604 KB	Output is correct
28	Correct	1 ms	1112 KB	Output is correct
29	Correct	0 ms	604 KB	Output is correct
30	Correct	0 ms	604 KB	Output is correct
31	Correct	1 ms	860 KB	Output is correct
32	Correct	1 ms	860 KB	Output is correct
33	Correct	0 ms	860 KB	Output is correct
34	Correct	0 ms	860 KB	Output is correct
35	Correct	0 ms	1372 KB	Output is correct
36	Correct	1 ms	1884 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct

Subtask #4
0 / 45.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	604 KB	Output is correct
2	Correct	1 ms	600 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	504 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	604 KB	Output is correct
8	Correct	3 ms	4444 KB	Output is correct
9	Correct	2 ms	4444 KB	Output is correct
10	Runtime error	400 ms	1048576 KB	Execution killed with signal 9
11	Halted	0 ms	0 KB	-

Subtask #5
0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	604 KB	Output is correct
2	Correct	1 ms	600 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	504 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	604 KB	Output is correct
8	Correct	3 ms	4444 KB	Output is correct
9	Correct	2 ms	4444 KB	Output is correct
10	Runtime error	400 ms	1048576 KB	Execution killed with signal 9
11	Halted	0 ms	0 KB	-

Subtask #6
0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	604 KB	Output is correct
2	Correct	1 ms	600 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	504 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	604 KB	Output is correct
8	Correct	3 ms	4444 KB	Output is correct
9	Correct	2 ms	4444 KB	Output is correct
10	Runtime error	400 ms	1048576 KB	Execution killed with signal 9
11	Halted	0 ms	0 KB	-

Submission #1066337

Compilation message

Subtask #1 0 / 6.0

Subtask #2 0 / 7.0

Subtask #3 12.0 / 12.0

Subtask #4 0 / 45.0

Subtask #5 0 / 15.0

Subtask #6 0 / 15.0

Subtask #1
0 / 6.0

Subtask #2
0 / 7.0

Subtask #3
12.0 / 12.0

Subtask #4
0 / 45.0

Subtask #5
0 / 15.0

Subtask #6
0 / 15.0