#include <iostream>
#include <stack>
#include <cstring>
#include <vector>
#include <algorithm>
#include <deque>
#include <set>
#include <utility>
#include <array>
using i64 = long long;
using u64 = unsigned long long;
using f64 = double;
using f80 = long double;
using namespace std;
#define ALL(x) x.begin(), x.end()
#define ShinLena cin.tie(nullptr)->sync_with_stdio(false);
#define N 100000
int n, k, a[N];
i64 dp[101][N], t[N<<1];
i64 qry(int l, int r)
{
i64 z = 1e18;
for (l += n, r += n + 1; l < r; l >>= 1, r>>=1)
{
if (l&1) z = min(z, t[l++]);
if (r&1) z = min(t[--r], z);
}
return z;
}
int main()
{
memset(dp, 63, sizeof dp);
ShinLena;
cin >> n >> k;
for (int i = 0; i < n; ++i) cin >> a[i];
{
int z = a[0];
for (int i = 0; i < n; ++i) z = max(z, a[i]), dp[0][i] = t[i+n] = z;
for (int i = n; i--;) t[i] = std::min(t[i<<1], t[i<<1|1]);
}
for (int j = 1; j < k; ++j)
{
stack<int> q;
for (int i = 0; i < n; ++i)
{
while (q.size() && a[q.top()] <= a[i]) q.pop();
if (q.size())
{
auto C = min(dp[j][q.top()], dp[j-1][q.top()] + a[i]);
C = min(C, qry(q.top() + 1, i-1) + a[i]);
dp[j][i] = C;
}
else
dp[j][i] = qry(0, i-1) + a[i];
q.push(i);
}
for (int i = 0; i < n; ++i) t[i+n] = dp[j][i];
for (int i = n; i--;) t[i] = std::min(t[i<<1], t[i<<1|1]);
}
cout << dp[k-1][n-1];
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
80848 KB |
Output is correct |
2 |
Correct |
10 ms |
80732 KB |
Output is correct |
3 |
Correct |
10 ms |
80904 KB |
Output is correct |
4 |
Correct |
10 ms |
80732 KB |
Output is correct |
5 |
Correct |
10 ms |
80732 KB |
Output is correct |
6 |
Correct |
10 ms |
80840 KB |
Output is correct |
7 |
Correct |
10 ms |
80732 KB |
Output is correct |
8 |
Correct |
10 ms |
80828 KB |
Output is correct |
9 |
Correct |
10 ms |
80728 KB |
Output is correct |
10 |
Correct |
10 ms |
80728 KB |
Output is correct |
11 |
Correct |
10 ms |
80732 KB |
Output is correct |
12 |
Correct |
10 ms |
80908 KB |
Output is correct |
13 |
Correct |
10 ms |
80732 KB |
Output is correct |
14 |
Correct |
10 ms |
80732 KB |
Output is correct |
15 |
Correct |
10 ms |
80820 KB |
Output is correct |
16 |
Correct |
10 ms |
80732 KB |
Output is correct |
17 |
Correct |
10 ms |
80696 KB |
Output is correct |
18 |
Correct |
10 ms |
80732 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
80728 KB |
Output is correct |
2 |
Correct |
10 ms |
80728 KB |
Output is correct |
3 |
Correct |
10 ms |
80660 KB |
Output is correct |
4 |
Correct |
10 ms |
80728 KB |
Output is correct |
5 |
Correct |
10 ms |
80880 KB |
Output is correct |
6 |
Correct |
10 ms |
80732 KB |
Output is correct |
7 |
Correct |
10 ms |
80732 KB |
Output is correct |
8 |
Correct |
10 ms |
80728 KB |
Output is correct |
9 |
Correct |
10 ms |
80720 KB |
Output is correct |
10 |
Correct |
10 ms |
80732 KB |
Output is correct |
11 |
Correct |
11 ms |
80732 KB |
Output is correct |
12 |
Correct |
10 ms |
80728 KB |
Output is correct |
13 |
Correct |
11 ms |
80704 KB |
Output is correct |
14 |
Correct |
10 ms |
80732 KB |
Output is correct |
15 |
Correct |
10 ms |
80888 KB |
Output is correct |
16 |
Correct |
10 ms |
80728 KB |
Output is correct |
17 |
Correct |
10 ms |
80728 KB |
Output is correct |
18 |
Correct |
10 ms |
80844 KB |
Output is correct |
19 |
Correct |
10 ms |
80728 KB |
Output is correct |
20 |
Correct |
10 ms |
80732 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
80848 KB |
Output is correct |
2 |
Correct |
10 ms |
80732 KB |
Output is correct |
3 |
Correct |
10 ms |
80904 KB |
Output is correct |
4 |
Correct |
10 ms |
80732 KB |
Output is correct |
5 |
Correct |
10 ms |
80732 KB |
Output is correct |
6 |
Correct |
10 ms |
80840 KB |
Output is correct |
7 |
Correct |
10 ms |
80732 KB |
Output is correct |
8 |
Correct |
10 ms |
80828 KB |
Output is correct |
9 |
Correct |
10 ms |
80728 KB |
Output is correct |
10 |
Correct |
10 ms |
80728 KB |
Output is correct |
11 |
Correct |
10 ms |
80732 KB |
Output is correct |
12 |
Correct |
10 ms |
80908 KB |
Output is correct |
13 |
Correct |
10 ms |
80732 KB |
Output is correct |
14 |
Correct |
10 ms |
80732 KB |
Output is correct |
15 |
Correct |
10 ms |
80820 KB |
Output is correct |
16 |
Correct |
10 ms |
80732 KB |
Output is correct |
17 |
Correct |
10 ms |
80696 KB |
Output is correct |
18 |
Correct |
10 ms |
80732 KB |
Output is correct |
19 |
Correct |
10 ms |
80728 KB |
Output is correct |
20 |
Correct |
10 ms |
80728 KB |
Output is correct |
21 |
Correct |
10 ms |
80660 KB |
Output is correct |
22 |
Correct |
10 ms |
80728 KB |
Output is correct |
23 |
Correct |
10 ms |
80880 KB |
Output is correct |
24 |
Correct |
10 ms |
80732 KB |
Output is correct |
25 |
Correct |
10 ms |
80732 KB |
Output is correct |
26 |
Correct |
10 ms |
80728 KB |
Output is correct |
27 |
Correct |
10 ms |
80720 KB |
Output is correct |
28 |
Correct |
10 ms |
80732 KB |
Output is correct |
29 |
Correct |
11 ms |
80732 KB |
Output is correct |
30 |
Correct |
10 ms |
80728 KB |
Output is correct |
31 |
Correct |
11 ms |
80704 KB |
Output is correct |
32 |
Correct |
10 ms |
80732 KB |
Output is correct |
33 |
Correct |
10 ms |
80888 KB |
Output is correct |
34 |
Correct |
10 ms |
80728 KB |
Output is correct |
35 |
Correct |
10 ms |
80728 KB |
Output is correct |
36 |
Correct |
10 ms |
80844 KB |
Output is correct |
37 |
Correct |
10 ms |
80728 KB |
Output is correct |
38 |
Correct |
10 ms |
80732 KB |
Output is correct |
39 |
Correct |
10 ms |
80732 KB |
Output is correct |
40 |
Correct |
11 ms |
80836 KB |
Output is correct |
41 |
Correct |
10 ms |
80728 KB |
Output is correct |
42 |
Correct |
11 ms |
80928 KB |
Output is correct |
43 |
Correct |
10 ms |
80732 KB |
Output is correct |
44 |
Correct |
10 ms |
80720 KB |
Output is correct |
45 |
Correct |
10 ms |
80732 KB |
Output is correct |
46 |
Correct |
11 ms |
80732 KB |
Output is correct |
47 |
Correct |
10 ms |
80904 KB |
Output is correct |
48 |
Correct |
10 ms |
80728 KB |
Output is correct |
49 |
Correct |
10 ms |
80732 KB |
Output is correct |
50 |
Correct |
10 ms |
80848 KB |
Output is correct |
51 |
Correct |
10 ms |
80732 KB |
Output is correct |
52 |
Correct |
10 ms |
80732 KB |
Output is correct |
53 |
Correct |
10 ms |
80732 KB |
Output is correct |
54 |
Correct |
10 ms |
80732 KB |
Output is correct |
55 |
Correct |
10 ms |
80712 KB |
Output is correct |
56 |
Correct |
10 ms |
80732 KB |
Output is correct |
57 |
Correct |
10 ms |
80892 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
80848 KB |
Output is correct |
2 |
Correct |
10 ms |
80732 KB |
Output is correct |
3 |
Correct |
10 ms |
80904 KB |
Output is correct |
4 |
Correct |
10 ms |
80732 KB |
Output is correct |
5 |
Correct |
10 ms |
80732 KB |
Output is correct |
6 |
Correct |
10 ms |
80840 KB |
Output is correct |
7 |
Correct |
10 ms |
80732 KB |
Output is correct |
8 |
Correct |
10 ms |
80828 KB |
Output is correct |
9 |
Correct |
10 ms |
80728 KB |
Output is correct |
10 |
Correct |
10 ms |
80728 KB |
Output is correct |
11 |
Correct |
10 ms |
80732 KB |
Output is correct |
12 |
Correct |
10 ms |
80908 KB |
Output is correct |
13 |
Correct |
10 ms |
80732 KB |
Output is correct |
14 |
Correct |
10 ms |
80732 KB |
Output is correct |
15 |
Correct |
10 ms |
80820 KB |
Output is correct |
16 |
Correct |
10 ms |
80732 KB |
Output is correct |
17 |
Correct |
10 ms |
80696 KB |
Output is correct |
18 |
Correct |
10 ms |
80732 KB |
Output is correct |
19 |
Correct |
10 ms |
80728 KB |
Output is correct |
20 |
Correct |
10 ms |
80728 KB |
Output is correct |
21 |
Correct |
10 ms |
80660 KB |
Output is correct |
22 |
Correct |
10 ms |
80728 KB |
Output is correct |
23 |
Correct |
10 ms |
80880 KB |
Output is correct |
24 |
Correct |
10 ms |
80732 KB |
Output is correct |
25 |
Correct |
10 ms |
80732 KB |
Output is correct |
26 |
Correct |
10 ms |
80728 KB |
Output is correct |
27 |
Correct |
10 ms |
80720 KB |
Output is correct |
28 |
Correct |
10 ms |
80732 KB |
Output is correct |
29 |
Correct |
11 ms |
80732 KB |
Output is correct |
30 |
Correct |
10 ms |
80728 KB |
Output is correct |
31 |
Correct |
11 ms |
80704 KB |
Output is correct |
32 |
Correct |
10 ms |
80732 KB |
Output is correct |
33 |
Correct |
10 ms |
80888 KB |
Output is correct |
34 |
Correct |
10 ms |
80728 KB |
Output is correct |
35 |
Correct |
10 ms |
80728 KB |
Output is correct |
36 |
Correct |
10 ms |
80844 KB |
Output is correct |
37 |
Correct |
10 ms |
80728 KB |
Output is correct |
38 |
Correct |
10 ms |
80732 KB |
Output is correct |
39 |
Correct |
10 ms |
80732 KB |
Output is correct |
40 |
Correct |
11 ms |
80836 KB |
Output is correct |
41 |
Correct |
10 ms |
80728 KB |
Output is correct |
42 |
Correct |
11 ms |
80928 KB |
Output is correct |
43 |
Correct |
10 ms |
80732 KB |
Output is correct |
44 |
Correct |
10 ms |
80720 KB |
Output is correct |
45 |
Correct |
10 ms |
80732 KB |
Output is correct |
46 |
Correct |
11 ms |
80732 KB |
Output is correct |
47 |
Correct |
10 ms |
80904 KB |
Output is correct |
48 |
Correct |
10 ms |
80728 KB |
Output is correct |
49 |
Correct |
10 ms |
80732 KB |
Output is correct |
50 |
Correct |
10 ms |
80848 KB |
Output is correct |
51 |
Correct |
10 ms |
80732 KB |
Output is correct |
52 |
Correct |
10 ms |
80732 KB |
Output is correct |
53 |
Correct |
10 ms |
80732 KB |
Output is correct |
54 |
Correct |
10 ms |
80732 KB |
Output is correct |
55 |
Correct |
10 ms |
80712 KB |
Output is correct |
56 |
Correct |
10 ms |
80732 KB |
Output is correct |
57 |
Correct |
10 ms |
80892 KB |
Output is correct |
58 |
Correct |
19 ms |
80988 KB |
Output is correct |
59 |
Correct |
13 ms |
81164 KB |
Output is correct |
60 |
Correct |
25 ms |
81136 KB |
Output is correct |
61 |
Correct |
142 ms |
81244 KB |
Output is correct |
62 |
Correct |
413 ms |
81240 KB |
Output is correct |
63 |
Correct |
25 ms |
81332 KB |
Output is correct |
64 |
Correct |
195 ms |
81456 KB |
Output is correct |
65 |
Correct |
11 ms |
80732 KB |
Output is correct |
66 |
Correct |
10 ms |
80892 KB |
Output is correct |
67 |
Correct |
10 ms |
80728 KB |
Output is correct |
68 |
Correct |
10 ms |
80852 KB |
Output is correct |
69 |
Correct |
11 ms |
80728 KB |
Output is correct |
70 |
Correct |
12 ms |
80732 KB |
Output is correct |
71 |
Correct |
36 ms |
80988 KB |
Output is correct |
72 |
Correct |
11 ms |
80988 KB |
Output is correct |
73 |
Correct |
16 ms |
80988 KB |
Output is correct |
74 |
Correct |
13 ms |
81752 KB |
Output is correct |
75 |
Correct |
20 ms |
81500 KB |
Output is correct |
76 |
Correct |
90 ms |
81496 KB |
Output is correct |
77 |
Correct |
253 ms |
82268 KB |
Output is correct |
78 |
Correct |
21 ms |
82148 KB |
Output is correct |
79 |
Correct |
119 ms |
82008 KB |
Output is correct |
80 |
Correct |
16 ms |
82004 KB |
Output is correct |
81 |
Correct |
38 ms |
82260 KB |
Output is correct |
82 |
Correct |
250 ms |
82136 KB |
Output is correct |
83 |
Correct |
11 ms |
80732 KB |
Output is correct |
84 |
Correct |
11 ms |
80892 KB |
Output is correct |
85 |
Correct |
27 ms |
81172 KB |
Output is correct |
86 |
Correct |
12 ms |
81240 KB |
Output is correct |
87 |
Correct |
14 ms |
80944 KB |
Output is correct |
88 |
Correct |
14 ms |
81416 KB |
Output is correct |
89 |
Correct |
17 ms |
81500 KB |
Output is correct |
90 |
Correct |
67 ms |
81748 KB |
Output is correct |
91 |
Correct |
169 ms |
82296 KB |
Output is correct |
92 |
Correct |
19 ms |
82256 KB |
Output is correct |
93 |
Correct |
85 ms |
82264 KB |
Output is correct |
94 |
Correct |
11 ms |
80988 KB |
Output is correct |
95 |
Correct |
48 ms |
80928 KB |
Output is correct |
96 |
Correct |
11 ms |
80936 KB |
Output is correct |
97 |
Correct |
11 ms |
80732 KB |
Output is correct |
98 |
Correct |
10 ms |
80680 KB |
Output is correct |
99 |
Correct |
10 ms |
80732 KB |
Output is correct |