#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define pb push_back
using namespace std;
const int maxN = 1e5 + 5;
const int maxK = 105;
const int inf = 1e9 + 10;
int n,k;
int a[maxN], L[maxN], minn[maxN], f[maxK][maxN];
int main()
{
ios_base::sync_with_stdio(false); cin.tie(); cout.tie();
cin >> n >> k;
for (int i = 1; i <= n; ++i)
cin >> a[i];
memset(f, inf, sizeof f);
f[1][0] = 0;
for (int i = 1; i <= n; ++i)
f[1][i] = max(f[1][i - 1], a[i]);
int tmp;
for (int i = 2; i <= k; ++i) {
stack<pair<int, int> > S;
for (int j = i; j <= n; ++j) {
int minn = f[i - 1][j - 1];
while (!S.empty() && a[S.top().se] <= a[j]) {
minn = min(minn, S.top().fi);
S.pop();
}
if(S.empty()) tmp = 0;
else tmp = S.top().se;
f[i][j] = min(f[i][tmp], minn + a[j]);
S.push({minn, j});
}
}
cout << f[k][n] << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
41472 KB |
Output is correct |
2 |
Correct |
25 ms |
41464 KB |
Output is correct |
3 |
Correct |
25 ms |
41472 KB |
Output is correct |
4 |
Correct |
25 ms |
41464 KB |
Output is correct |
5 |
Correct |
24 ms |
41472 KB |
Output is correct |
6 |
Correct |
25 ms |
41472 KB |
Output is correct |
7 |
Correct |
27 ms |
41468 KB |
Output is correct |
8 |
Correct |
25 ms |
41464 KB |
Output is correct |
9 |
Correct |
30 ms |
41468 KB |
Output is correct |
10 |
Correct |
25 ms |
41472 KB |
Output is correct |
11 |
Correct |
25 ms |
41600 KB |
Output is correct |
12 |
Correct |
26 ms |
41472 KB |
Output is correct |
13 |
Correct |
25 ms |
41472 KB |
Output is correct |
14 |
Correct |
25 ms |
41472 KB |
Output is correct |
15 |
Correct |
25 ms |
41464 KB |
Output is correct |
16 |
Correct |
25 ms |
41472 KB |
Output is correct |
17 |
Correct |
25 ms |
41472 KB |
Output is correct |
18 |
Correct |
26 ms |
41472 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
25 ms |
41472 KB |
Output is correct |
2 |
Correct |
24 ms |
41472 KB |
Output is correct |
3 |
Correct |
25 ms |
41472 KB |
Output is correct |
4 |
Correct |
25 ms |
41472 KB |
Output is correct |
5 |
Correct |
26 ms |
41464 KB |
Output is correct |
6 |
Correct |
24 ms |
41472 KB |
Output is correct |
7 |
Correct |
24 ms |
41472 KB |
Output is correct |
8 |
Correct |
25 ms |
41472 KB |
Output is correct |
9 |
Correct |
30 ms |
41472 KB |
Output is correct |
10 |
Correct |
25 ms |
41464 KB |
Output is correct |
11 |
Correct |
25 ms |
41472 KB |
Output is correct |
12 |
Correct |
25 ms |
41472 KB |
Output is correct |
13 |
Correct |
25 ms |
41472 KB |
Output is correct |
14 |
Correct |
31 ms |
41464 KB |
Output is correct |
15 |
Correct |
25 ms |
41472 KB |
Output is correct |
16 |
Correct |
25 ms |
41468 KB |
Output is correct |
17 |
Correct |
25 ms |
41472 KB |
Output is correct |
18 |
Correct |
25 ms |
41472 KB |
Output is correct |
19 |
Correct |
25 ms |
41464 KB |
Output is correct |
20 |
Correct |
25 ms |
41464 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
25 ms |
41472 KB |
Output is correct |
2 |
Correct |
27 ms |
41464 KB |
Output is correct |
3 |
Correct |
29 ms |
41472 KB |
Output is correct |
4 |
Correct |
26 ms |
41472 KB |
Output is correct |
5 |
Correct |
24 ms |
41464 KB |
Output is correct |
6 |
Correct |
25 ms |
41472 KB |
Output is correct |
7 |
Correct |
25 ms |
41472 KB |
Output is correct |
8 |
Correct |
24 ms |
41472 KB |
Output is correct |
9 |
Correct |
25 ms |
41464 KB |
Output is correct |
10 |
Correct |
25 ms |
41472 KB |
Output is correct |
11 |
Correct |
26 ms |
41464 KB |
Output is correct |
12 |
Correct |
25 ms |
41464 KB |
Output is correct |
13 |
Correct |
25 ms |
41472 KB |
Output is correct |
14 |
Correct |
24 ms |
41472 KB |
Output is correct |
15 |
Correct |
27 ms |
41472 KB |
Output is correct |
16 |
Correct |
25 ms |
41472 KB |
Output is correct |
17 |
Correct |
25 ms |
41472 KB |
Output is correct |
18 |
Correct |
25 ms |
41472 KB |
Output is correct |
19 |
Correct |
25 ms |
41472 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
29 ms |
41600 KB |
Output is correct |
2 |
Correct |
30 ms |
41856 KB |
Output is correct |
3 |
Correct |
32 ms |
41848 KB |
Output is correct |
4 |
Correct |
69 ms |
41984 KB |
Output is correct |
5 |
Correct |
153 ms |
42488 KB |
Output is correct |
6 |
Correct |
37 ms |
42488 KB |
Output is correct |
7 |
Correct |
88 ms |
42488 KB |
Output is correct |
8 |
Correct |
25 ms |
41472 KB |
Output is correct |
9 |
Correct |
25 ms |
41484 KB |
Output is correct |
10 |
Correct |
25 ms |
41464 KB |
Output is correct |
11 |
Correct |
24 ms |
41472 KB |
Output is correct |
12 |
Correct |
25 ms |
41464 KB |
Output is correct |
13 |
Correct |
24 ms |
41472 KB |
Output is correct |
14 |
Correct |
43 ms |
41592 KB |
Output is correct |
15 |
Correct |
25 ms |
41624 KB |
Output is correct |
16 |
Correct |
31 ms |
41592 KB |
Output is correct |
17 |
Correct |
29 ms |
41984 KB |
Output is correct |
18 |
Correct |
33 ms |
41976 KB |
Output is correct |
19 |
Correct |
83 ms |
41976 KB |
Output is correct |
20 |
Correct |
197 ms |
42488 KB |
Output is correct |
21 |
Correct |
39 ms |
42488 KB |
Output is correct |
22 |
Correct |
107 ms |
42488 KB |
Output is correct |
23 |
Correct |
34 ms |
42488 KB |
Output is correct |
24 |
Correct |
48 ms |
42488 KB |
Output is correct |
25 |
Correct |
193 ms |
42488 KB |
Output is correct |
26 |
Correct |
26 ms |
41472 KB |
Output is correct |
27 |
Correct |
26 ms |
41472 KB |
Output is correct |
28 |
Correct |
39 ms |
41592 KB |
Output is correct |
29 |
Correct |
25 ms |
41600 KB |
Output is correct |
30 |
Correct |
30 ms |
41592 KB |
Output is correct |
31 |
Correct |
29 ms |
41976 KB |
Output is correct |
32 |
Correct |
32 ms |
42112 KB |
Output is correct |
33 |
Correct |
76 ms |
42208 KB |
Output is correct |
34 |
Correct |
177 ms |
42872 KB |
Output is correct |
35 |
Correct |
40 ms |
42872 KB |
Output is correct |
36 |
Correct |
96 ms |
42868 KB |
Output is correct |
37 |
Correct |
25 ms |
41600 KB |
Output is correct |
38 |
Correct |
36 ms |
41600 KB |
Output is correct |
39 |
Correct |
25 ms |
41464 KB |
Output is correct |
40 |
Correct |
24 ms |
41472 KB |
Output is correct |
41 |
Correct |
24 ms |
41464 KB |
Output is correct |
42 |
Correct |
25 ms |
41488 KB |
Output is correct |