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Submission #334208

# Submission time Handle Problem Language Result Execution time Memory
334208 2020-12-08T16:02:21 Z Pety K blocks (IZhO14_blocks) C++14
100 / 100
 296 ms 48492 KB 
#include <bits/stdc++.h>

using namespace std;

int n, k, a[100002], lg2[100002], Left[100002];
int dp[102][200002];
int rmq[20][100002];
void calc_rmq (int ind) {
  for (int i = 0; i <= n; i++)
    rmq[0][i] = dp[ind][i];
  for (int i = 1; (1 << i) <= n; i++)
    for (int j = 0; j <= n - (1 << i) + 1; j++)
      rmq[i][j] = min(rmq[i - 1][j], rmq[i - 1][j + (1 << (i - 1))]);
}

int query (int x, int y) {
  int l = lg2[y - x + 1];
  return min(rmq[l][x], rmq[l][y - (1 << l) + 1]);
}

int main()
{
  cin >> n>> k;
  for (int i = 2; i <= n; i++)
    lg2[i] = lg2[i / 2] + 1;
  for (int i = 1; i <= n; i++)
    cin >> a[i];
  stack<int>st;
  st.push(0);
  a[0] = 1e9;
  for (int i = 1; i <= n; i++) {
    while (a[st.top()] <= a[i])
      st.pop();
    Left[i] = st.top();
    st.push(i);
  }
  for (int i = 0; i <= k; i++)
    for (int j =  0; j <= n; j++)
      dp[i][j] = 1e9;
  dp[0][0] = 0;
  calc_rmq(0);
  for (int i = 1; i <= k; i++) {
    for (int j = i; j <= n; j++)
      dp[i][j] = min(query(Left[j], j - 1) + a[j], dp[i][Left[j]]);
    calc_rmq(i);
  }
  cout << dp[k][n] << "\n";
  return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 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 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct

Subtask #2
18.0 / 18.0

# 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 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 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 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 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 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 492 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 1 ms 492 KB Output is correct
39 Correct 1 ms 620 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 1 ms 492 KB Output is correct
52 Correct 1 ms 492 KB Output is correct
53 Correct 1 ms 1004 KB Output is correct
54 Correct 1 ms 1004 KB Output is correct
55 Correct 1 ms 748 KB Output is correct
56 Correct 1 ms 1004 KB Output is correct
57 Correct 1 ms 1004 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 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 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 492 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 1 ms 492 KB Output is correct
39 Correct 1 ms 620 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 1 ms 492 KB Output is correct
52 Correct 1 ms 492 KB Output is correct
53 Correct 1 ms 1004 KB Output is correct
54 Correct 1 ms 1004 KB Output is correct
55 Correct 1 ms 748 KB Output is correct
56 Correct 1 ms 1004 KB Output is correct
57 Correct 1 ms 1004 KB Output is correct
58 Correct 9 ms 2284 KB Output is correct
59 Correct 24 ms 4076 KB Output is correct
60 Correct 25 ms 5160 KB Output is correct
61 Correct 94 ms 17644 KB Output is correct
62 Correct 272 ms 48492 KB Output is correct
63 Correct 47 ms 9984 KB Output is correct
64 Correct 147 ms 26604 KB Output is correct
65 Correct 1 ms 492 KB Output is correct
66 Correct 1 ms 620 KB Output is correct
67 Correct 1 ms 620 KB Output is correct
68 Correct 1 ms 620 KB Output is correct
69 Correct 1 ms 492 KB Output is correct
70 Correct 1 ms 492 KB Output is correct
71 Correct 24 ms 5740 KB Output is correct
72 Correct 5 ms 1260 KB Output is correct
73 Correct 12 ms 2288 KB Output is correct
74 Correct 22 ms 4076 KB Output is correct
75 Correct 24 ms 5228 KB Output is correct
76 Correct 90 ms 17516 KB Output is correct
77 Correct 296 ms 48492 KB Output is correct
78 Correct 53 ms 9964 KB Output is correct
79 Correct 151 ms 26732 KB Output is correct
80 Correct 42 ms 9196 KB Output is correct
81 Correct 73 ms 12652 KB Output is correct
82 Correct 286 ms 48492 KB Output is correct
83 Correct 1 ms 492 KB Output is correct
84 Correct 1 ms 492 KB Output is correct
85 Correct 23 ms 5612 KB Output is correct
86 Correct 5 ms 1260 KB Output is correct
87 Correct 9 ms 2284 KB Output is correct
88 Correct 19 ms 4204 KB Output is correct
89 Correct 24 ms 5228 KB Output is correct
90 Correct 93 ms 17644 KB Output is correct
91 Correct 268 ms 48492 KB Output is correct
92 Correct 52 ms 10092 KB Output is correct
93 Correct 161 ms 26860 KB Output is correct
94 Correct 5 ms 1260 KB Output is correct
95 Correct 24 ms 5612 KB Output is correct
96 Correct 1 ms 492 KB Output is correct
97 Correct 1 ms 492 KB Output is correct
98 Correct 1 ms 364 KB Output is correct
99 Correct 1 ms 364 KB Output is correct