#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;
}
# |
결과 |
실행 시간 |
메모리 |
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 |
# |
결과 |
실행 시간 |
메모리 |
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 |
# |
결과 |
실행 시간 |
메모리 |
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 |
# |
결과 |
실행 시간 |
메모리 |
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 |