Submission #1022583

# Submission time Handle Problem Language Result Execution time Memory
1022583 2024-07-13T18:51:51 Z avighna Copy and Paste 3 (JOI22_copypaste3) C++17
20 / 100
3000 ms 459088 KB
#include <bits/stdc++.h>

typedef long long ll;

int main() {
  std::ios_base::sync_with_stdio(false);
  std::cin.tie(nullptr);

  ll n, a, b, c;
  std::string s;
  std::cin >> n >> s >> a >> b >> c;

  if (std::count(s.begin(), s.end(), 'a') == n) {
    std::vector<std::vector<ll>> dp(n + 1, std::vector<ll>(n + 1));
    // dp[i][j] = the minimum cost to match n - i a's if there are j a's in the
    // clipboard

    /*
    dp[i][j] = min{
      dp[i + 1][j] + a,
      dp[i + j][j] + c (j != 0),
      dp[0][i] + b (i > j)
    }
    */
    for (ll j = n - 1; j >= 0; --j) {
      for (ll i = n - 1; i >= 0; --i) {
        dp[i][j] = dp[i + 1][j] + a;
        if (j != 0 and i + j <= n) {
          dp[i][j] = std::min(dp[i][j], dp[i + j][j] + c);
        }
        if (i > j) {
          dp[i][j] = std::min(dp[i][j], dp[0][i] + b);
        }
      }
    }

    std::cout << dp[0][0] << "\n";
    return 0;
  }

  std::vector<std::vector<std::vector<std::vector<ll>>>> dp(
      n + 1, std::vector<std::vector<std::vector<ll>>>(
                 n + 1, std::vector<std::vector<ll>>(
                            n + 1, std::vector<ll>(n + 1, 1e15))));
  // dp[x_beg][x_len][y_beg][y_len] => dp[i][j][k][l] = the minimum cost to
  // match if the current x is (i, j) and the current y is (k, l)
  for (ll i = 0; i <= n; ++i) {
    for (ll j = 0; j <= n; ++j) {
      dp[0][n][i][j] = 0;
    }
  }

  auto substring = [&](ll _i, ll len) {
    std::string ans;
    for (ll i = 0; i < len and i + _i < n; ++i) {
      ans.push_back(s[i + _i]);
    }
    return ans;
  };

  /*
  dp[i][j][k][l] = min{
    dp[i][j + 1][k][l] + a,
    dp[i][j + l][k][l] + c (iff the string matches),
    dp[0][0][i][j] + b (if the pair (i, j) > (k, l))
  }
  */
  for (ll l = n - 1; l >= 0; --l) {
    for (ll k = n - 1; k >= 0; --k) {
      for (ll j = n - 1; j >= 0; --j) {
        for (ll i = n - 1; i >= 0; --i) {
          dp[i][j][k][l] = dp[i][j + 1][k][l] + a;
          if (j == 0) {
            for (ll m = 0; m < n; ++m) {
              dp[i][j][k][l] = std::min(dp[i][j][k][l], dp[m][1][k][l] + a);
            }
          }
          if (l != 0 and j + l <= n - i and
              substring(i, j) + substring(k, l) == substring(i, j + l)) {
            dp[i][j][k][l] = std::min(dp[i][j][k][l], dp[i][j + l][k][l] + c);
          }
          if (i > k or (i == k and j > l)) {
            dp[i][j][k][l] = std::min(dp[i][j][k][l], dp[0][0][i][j] + b);
          }
        }
      }
    }
  }

  std::cout << dp[0][0][0][0] << "\n";
}
# 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 0 ms 348 KB Output is correct
6 Correct 0 ms 344 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
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 33 ms 26460 KB Output is correct
4 Correct 34 ms 31064 KB Output is correct
5 Correct 44 ms 36188 KB Output is correct
6 Correct 57 ms 42328 KB Output is correct
7 Correct 68 ms 49492 KB Output is correct
8 Correct 65 ms 49496 KB Output is correct
9 Correct 64 ms 49496 KB Output is correct
10 Correct 1 ms 344 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 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
# 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 0 ms 348 KB Output is correct
6 Correct 0 ms 344 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 1 ms 656 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 6 ms 1628 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 8 ms 1884 KB Output is correct
16 Correct 1 ms 600 KB Output is correct
17 Correct 0 ms 452 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 2 ms 860 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 51 ms 8796 KB Output is correct
22 Correct 44 ms 8792 KB Output is correct
23 Correct 42 ms 8900 KB Output is correct
24 Correct 54 ms 8796 KB Output is correct
25 Correct 46 ms 8792 KB Output is correct
26 Correct 44 ms 8792 KB Output is correct
27 Correct 50 ms 8796 KB Output is correct
28 Correct 51 ms 8900 KB Output is correct
29 Correct 48 ms 8796 KB Output is correct
30 Correct 43 ms 8796 KB Output is correct
31 Correct 44 ms 8792 KB Output is correct
32 Correct 48 ms 8792 KB Output is correct
33 Correct 43 ms 8796 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 460 KB Output is correct
# 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 0 ms 348 KB Output is correct
6 Correct 0 ms 344 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 1 ms 656 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 6 ms 1628 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 8 ms 1884 KB Output is correct
16 Correct 1 ms 600 KB Output is correct
17 Correct 0 ms 452 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 2 ms 860 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 51 ms 8796 KB Output is correct
22 Correct 44 ms 8792 KB Output is correct
23 Correct 42 ms 8900 KB Output is correct
24 Correct 54 ms 8796 KB Output is correct
25 Correct 46 ms 8792 KB Output is correct
26 Correct 44 ms 8792 KB Output is correct
27 Correct 50 ms 8796 KB Output is correct
28 Correct 51 ms 8900 KB Output is correct
29 Correct 48 ms 8796 KB Output is correct
30 Correct 43 ms 8796 KB Output is correct
31 Correct 44 ms 8792 KB Output is correct
32 Correct 48 ms 8792 KB Output is correct
33 Correct 43 ms 8796 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 460 KB Output is correct
40 Execution timed out 3086 ms 459088 KB Time limit exceeded
41 Halted 0 ms 0 KB -
# 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 0 ms 348 KB Output is correct
6 Correct 0 ms 344 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 1 ms 656 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 6 ms 1628 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 8 ms 1884 KB Output is correct
16 Correct 1 ms 600 KB Output is correct
17 Correct 0 ms 452 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 2 ms 860 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 51 ms 8796 KB Output is correct
22 Correct 44 ms 8792 KB Output is correct
23 Correct 42 ms 8900 KB Output is correct
24 Correct 54 ms 8796 KB Output is correct
25 Correct 46 ms 8792 KB Output is correct
26 Correct 44 ms 8792 KB Output is correct
27 Correct 50 ms 8796 KB Output is correct
28 Correct 51 ms 8900 KB Output is correct
29 Correct 48 ms 8796 KB Output is correct
30 Correct 43 ms 8796 KB Output is correct
31 Correct 44 ms 8792 KB Output is correct
32 Correct 48 ms 8792 KB Output is correct
33 Correct 43 ms 8796 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 460 KB Output is correct
40 Execution timed out 3086 ms 459088 KB Time limit exceeded
41 Halted 0 ms 0 KB -
# 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 0 ms 348 KB Output is correct
6 Correct 0 ms 344 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 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 33 ms 26460 KB Output is correct
14 Correct 34 ms 31064 KB Output is correct
15 Correct 44 ms 36188 KB Output is correct
16 Correct 57 ms 42328 KB Output is correct
17 Correct 68 ms 49492 KB Output is correct
18 Correct 65 ms 49496 KB Output is correct
19 Correct 64 ms 49496 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 656 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 6 ms 1628 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 8 ms 1884 KB Output is correct
33 Correct 1 ms 600 KB Output is correct
34 Correct 0 ms 452 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 2 ms 860 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 51 ms 8796 KB Output is correct
39 Correct 44 ms 8792 KB Output is correct
40 Correct 42 ms 8900 KB Output is correct
41 Correct 54 ms 8796 KB Output is correct
42 Correct 46 ms 8792 KB Output is correct
43 Correct 44 ms 8792 KB Output is correct
44 Correct 50 ms 8796 KB Output is correct
45 Correct 51 ms 8900 KB Output is correct
46 Correct 48 ms 8796 KB Output is correct
47 Correct 43 ms 8796 KB Output is correct
48 Correct 44 ms 8792 KB Output is correct
49 Correct 48 ms 8792 KB Output is correct
50 Correct 43 ms 8796 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 460 KB Output is correct
57 Execution timed out 3086 ms 459088 KB Time limit exceeded
58 Halted 0 ms 0 KB -