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Submission #895132

# Submission time Handle Problem Language Result Execution time Memory
895132 2023-12-29T13:06:20 Z d4xn Rabbit Carrot (LMIO19_triusis) C++17
35 / 100
 217 ms 856 KB 
#include <bits/stdc++.h>
using namespace std;

const int N = 2e5+1, X = 1e4+4, inf = INT_MAX;

int n, m, mx, a[N];
vector<int> suf, dp[2];

signed main() {
  ios::sync_with_stdio(false); cin.tie(nullptr);

  cin >> n >> m;
  a[0] = 0;
  mx = 0;
  for (int i = 1; i <= n; i++) {
    cin >> a[i];
    mx = max(mx, a[i]);
  }

  dp[0].clear();
  dp[0].resize(1);
  dp[0][0] = 0;
  for (int i = 1; i <= n; i++) {
    int x = min(X, m*(i-1) + 1);
    suf.clear();
    suf.resize(x);
    for (int j = x-1; j >= 0; j--) {
      suf[j] = min(dp[(i-1)%2][j], (j+1 < x ? suf[j+1] : inf));
    }

    int y = min(X, m*i + 1);
    dp[i%2].clear();
    dp[i%2].resize(y);
    for (int j = 0; j < y; j++) {
      dp[i%2][j] = suf[max(0, j-m)] + (j != a[i]);
    }
  }

  int ans = inf;
  for (int i = 0; i <= min(X-1, n*m); i++) {
    ans = min(ans, dp[n%2][i]);
  }
  cout << ans << "\n";
}

Subtask #1
14.0 / 14.0

# 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 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 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 1 ms 604 KB Output is correct
10 Correct 0 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 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct

Subtask #2
21.0 / 21.0

# 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 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 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 1 ms 604 KB Output is correct
10 Correct 0 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 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 69 ms 760 KB Output is correct
21 Correct 187 ms 728 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 209 ms 604 KB Output is correct
24 Correct 215 ms 684 KB Output is correct
25 Correct 196 ms 604 KB Output is correct
26 Correct 217 ms 712 KB Output is correct
27 Correct 53 ms 816 KB Output is correct
28 Correct 54 ms 856 KB Output is correct
29 Correct 186 ms 736 KB Output is correct
30 Correct 196 ms 600 KB Output is correct
31 Correct 53 ms 600 KB Output is correct
32 Correct 206 ms 604 KB Output is correct
33 Correct 206 ms 660 KB Output is correct

Subtask #3
0 / 28.0

# 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 69 ms 760 KB Output is correct
5 Correct 187 ms 728 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 209 ms 604 KB Output is correct
8 Correct 215 ms 684 KB Output is correct
9 Correct 196 ms 604 KB Output is correct
10 Correct 217 ms 712 KB Output is correct
11 Correct 53 ms 816 KB Output is correct
12 Correct 54 ms 856 KB Output is correct
13 Correct 186 ms 736 KB Output is correct
14 Correct 196 ms 600 KB Output is correct
15 Correct 53 ms 600 KB Output is correct
16 Correct 206 ms 604 KB Output is correct
17 Correct 206 ms 660 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 344 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 1 ms 604 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Incorrect 209 ms 856 KB Output isn't correct
36 Halted 0 ms 0 KB -

Subtask #4
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Incorrect 209 ms 856 KB Output isn't correct
3 Halted 0 ms 0 KB -