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Submission #1002422

# Submission time Handle Problem Language Result Execution time Memory
1002422 2024-06-19T14:43:03 Z MilosMilutinovic Swap (BOI16_swap) C++14
48 / 100
 108 ms 262144 KB 
#include <bits/stdc++.h>

using namespace std;

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];
    --a[i];
  }
  vector<vector<vector<int>>> dp(n, vector<vector<int>>(n));
  auto Merge = [&](int x, vector<int> va, vector<int> vb) {
    vector<int> v(1, x);
    int pa = 0, pb = 0;
    for (int pw = 1; pa < (int) va.size(); pw *= 2) {
      for (int iter = 0; iter < pw; iter++) {
        if (pa < (int) va.size()) {
          v.push_back(va[pa]);
          pa += 1;
        } else {
          break;
        }
      }
      for (int iter = 0; iter < pw; iter++) {
        if (pb < (int) vb.size()) {
          v.push_back(vb[pb]);
          pb += 1;
        } else {
          break;
        }
      }
    }
    return v;
  };
  function<vector<int>(int, int)> Solve = [&](int i, int v) {
    if (i >= n) {
      return vector<int>{};
    }
    if (!dp[i][v].empty()) {
      return dp[i][v];
    }
    int L = i * 2 + 1, R = i * 2 + 2;
    if (L >= n) {
      return dp[i][v] = {v};
    }
    if (R >= n) {
      return dp[i][v] = min(Merge(v, Solve(L, a[L]), {}), 
                            Merge(a[L], Solve(L, v), {}));
    }
    return dp[i][v] = min({Merge(v, Solve(L, a[L]), Solve(R, a[R])), 
                           Merge(a[L], Solve(L, v), Solve(R, a[R])),
                           Merge(a[R], Solve(L, a[L]), Solve(R, v)),
                           Merge(a[R], Solve(L, v), Solve(R, a[L]))});
  };
  vector<int> res = Solve(0, a[0]);
  for (int i = 0; i < (int) res.size(); i++) {
    cout << res[i] + 1 << " ";
  }
  cout << '\n';
  return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 456 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 360 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 456 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 360 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 456 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 360 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 16 ms 24408 KB Output is correct
12 Correct 15 ms 24412 KB Output is correct
13 Correct 26 ms 24544 KB Output is correct
14 Correct 14 ms 24408 KB Output is correct
15 Correct 15 ms 24516 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 456 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 360 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 16 ms 24408 KB Output is correct
12 Correct 15 ms 24412 KB Output is correct
13 Correct 26 ms 24544 KB Output is correct
14 Correct 14 ms 24408 KB Output is correct
15 Correct 15 ms 24516 KB Output is correct
16 Runtime error 108 ms 262144 KB Execution killed with signal 9
17 Halted 0 ms 0 KB -

Subtask #5
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 456 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 360 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 16 ms 24408 KB Output is correct
12 Correct 15 ms 24412 KB Output is correct
13 Correct 26 ms 24544 KB Output is correct
14 Correct 14 ms 24408 KB Output is correct
15 Correct 15 ms 24516 KB Output is correct
16 Runtime error 108 ms 262144 KB Execution killed with signal 9
17 Halted 0 ms 0 KB -