#include<bits/stdc++.h>
using namespace std;
typedef long long LL;
#define fi first
#define se second
const int MAXN=1+1e5;
const int inf=1+1e9;
LL n,k,f[110][MAXN],a[MAXN];
deque<pair<LL,LL> > q;
int main()
{
#define TASK "ABC"
//freopen(TASK ".inp","r",stdin);
//freopen(TASK ".out","w",stdout);
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin>>n>>k;
for(int i=1; i<=n; ++i)
{
cin>>a[i];
}
for(int i=1; i<=k; ++i)
{
for(int j=0; j<=n; ++j)
{
f[i][j]=inf;
}
}
f[1][0]=0;
for(int i=1; i<=n; ++i) f[1][i]=max(f[1][i-1],a[i]);
for(int i=2; i<=k; ++i)
{
q.clear();
for(int j=i; j<=n; ++j)
{
LL minf=f[i-1][j-1];
while(!q.empty()&&a[j]>=a[q.back().se])
{
minf=min(minf,q.back().fi);
q.pop_back();
}
if(q.empty()) f[i][j]=min(f[i][0],minf+a[j]);
else f[i][j]=min(f[i][q.back().se],minf+a[j]);
//f[i][j]=min(f[i][j],minf+a[j]);
q.push_back({minf,j});
//cout<<i<<' '<<j<<' '<<minf<<' '<<f[i][j]<<endl;
}
}
cout<<f[k][n];
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
512 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
512 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
512 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
512 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
0 ms |
384 KB |
Output is correct |
22 |
Correct |
0 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
0 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
512 KB |
Output is correct |
26 |
Correct |
0 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
512 KB |
Output is correct |
28 |
Correct |
1 ms |
384 KB |
Output is correct |
29 |
Correct |
1 ms |
384 KB |
Output is correct |
30 |
Correct |
1 ms |
384 KB |
Output is correct |
31 |
Correct |
0 ms |
384 KB |
Output is correct |
32 |
Correct |
1 ms |
384 KB |
Output is correct |
33 |
Correct |
1 ms |
384 KB |
Output is correct |
34 |
Correct |
1 ms |
384 KB |
Output is correct |
35 |
Correct |
1 ms |
384 KB |
Output is correct |
36 |
Correct |
1 ms |
384 KB |
Output is correct |
37 |
Correct |
1 ms |
384 KB |
Output is correct |
38 |
Correct |
1 ms |
512 KB |
Output is correct |
39 |
Correct |
1 ms |
640 KB |
Output is correct |
40 |
Correct |
1 ms |
384 KB |
Output is correct |
41 |
Correct |
1 ms |
384 KB |
Output is correct |
42 |
Correct |
0 ms |
384 KB |
Output is correct |
43 |
Correct |
1 ms |
384 KB |
Output is correct |
44 |
Correct |
0 ms |
384 KB |
Output is correct |
45 |
Correct |
0 ms |
384 KB |
Output is correct |
46 |
Correct |
0 ms |
384 KB |
Output is correct |
47 |
Correct |
1 ms |
384 KB |
Output is correct |
48 |
Correct |
1 ms |
384 KB |
Output is correct |
49 |
Correct |
1 ms |
384 KB |
Output is correct |
50 |
Correct |
1 ms |
384 KB |
Output is correct |
51 |
Correct |
1 ms |
512 KB |
Output is correct |
52 |
Correct |
1 ms |
512 KB |
Output is correct |
53 |
Correct |
1 ms |
1024 KB |
Output is correct |
54 |
Correct |
1 ms |
1024 KB |
Output is correct |
55 |
Correct |
1 ms |
640 KB |
Output is correct |
56 |
Correct |
1 ms |
1024 KB |
Output is correct |
57 |
Correct |
1 ms |
1024 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
512 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
1 ms |
384 KB |
Output is correct |
13 |
Correct |
1 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
0 ms |
384 KB |
Output is correct |
22 |
Correct |
0 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
0 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
512 KB |
Output is correct |
26 |
Correct |
0 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
512 KB |
Output is correct |
28 |
Correct |
1 ms |
384 KB |
Output is correct |
29 |
Correct |
1 ms |
384 KB |
Output is correct |
30 |
Correct |
1 ms |
384 KB |
Output is correct |
31 |
Correct |
0 ms |
384 KB |
Output is correct |
32 |
Correct |
1 ms |
384 KB |
Output is correct |
33 |
Correct |
1 ms |
384 KB |
Output is correct |
34 |
Correct |
1 ms |
384 KB |
Output is correct |
35 |
Correct |
1 ms |
384 KB |
Output is correct |
36 |
Correct |
1 ms |
384 KB |
Output is correct |
37 |
Correct |
1 ms |
384 KB |
Output is correct |
38 |
Correct |
1 ms |
512 KB |
Output is correct |
39 |
Correct |
1 ms |
640 KB |
Output is correct |
40 |
Correct |
1 ms |
384 KB |
Output is correct |
41 |
Correct |
1 ms |
384 KB |
Output is correct |
42 |
Correct |
0 ms |
384 KB |
Output is correct |
43 |
Correct |
1 ms |
384 KB |
Output is correct |
44 |
Correct |
0 ms |
384 KB |
Output is correct |
45 |
Correct |
0 ms |
384 KB |
Output is correct |
46 |
Correct |
0 ms |
384 KB |
Output is correct |
47 |
Correct |
1 ms |
384 KB |
Output is correct |
48 |
Correct |
1 ms |
384 KB |
Output is correct |
49 |
Correct |
1 ms |
384 KB |
Output is correct |
50 |
Correct |
1 ms |
384 KB |
Output is correct |
51 |
Correct |
1 ms |
512 KB |
Output is correct |
52 |
Correct |
1 ms |
512 KB |
Output is correct |
53 |
Correct |
1 ms |
1024 KB |
Output is correct |
54 |
Correct |
1 ms |
1024 KB |
Output is correct |
55 |
Correct |
1 ms |
640 KB |
Output is correct |
56 |
Correct |
1 ms |
1024 KB |
Output is correct |
57 |
Correct |
1 ms |
1024 KB |
Output is correct |
58 |
Correct |
6 ms |
2560 KB |
Output is correct |
59 |
Correct |
5 ms |
1408 KB |
Output is correct |
60 |
Correct |
12 ms |
3456 KB |
Output is correct |
61 |
Correct |
61 ms |
27776 KB |
Output is correct |
62 |
Correct |
176 ms |
80248 KB |
Output is correct |
63 |
Correct |
15 ms |
4224 KB |
Output is correct |
64 |
Correct |
86 ms |
36984 KB |
Output is correct |
65 |
Correct |
1 ms |
512 KB |
Output is correct |
66 |
Correct |
1 ms |
640 KB |
Output is correct |
67 |
Correct |
1 ms |
640 KB |
Output is correct |
68 |
Correct |
1 ms |
640 KB |
Output is correct |
69 |
Correct |
1 ms |
384 KB |
Output is correct |
70 |
Correct |
1 ms |
512 KB |
Output is correct |
71 |
Correct |
22 ms |
8832 KB |
Output is correct |
72 |
Correct |
2 ms |
640 KB |
Output is correct |
73 |
Correct |
6 ms |
2560 KB |
Output is correct |
74 |
Correct |
6 ms |
1292 KB |
Output is correct |
75 |
Correct |
11 ms |
3456 KB |
Output is correct |
76 |
Correct |
74 ms |
27776 KB |
Output is correct |
77 |
Correct |
215 ms |
80120 KB |
Output is correct |
78 |
Correct |
17 ms |
4096 KB |
Output is correct |
79 |
Correct |
102 ms |
36984 KB |
Output is correct |
80 |
Correct |
12 ms |
2560 KB |
Output is correct |
81 |
Correct |
30 ms |
9600 KB |
Output is correct |
82 |
Correct |
215 ms |
80120 KB |
Output is correct |
83 |
Correct |
1 ms |
384 KB |
Output is correct |
84 |
Correct |
1 ms |
512 KB |
Output is correct |
85 |
Correct |
22 ms |
8960 KB |
Output is correct |
86 |
Correct |
2 ms |
768 KB |
Output is correct |
87 |
Correct |
6 ms |
2688 KB |
Output is correct |
88 |
Correct |
5 ms |
1408 KB |
Output is correct |
89 |
Correct |
11 ms |
3712 KB |
Output is correct |
90 |
Correct |
72 ms |
28032 KB |
Output is correct |
91 |
Correct |
211 ms |
80760 KB |
Output is correct |
92 |
Correct |
16 ms |
4736 KB |
Output is correct |
93 |
Correct |
102 ms |
37632 KB |
Output is correct |
94 |
Correct |
2 ms |
640 KB |
Output is correct |
95 |
Correct |
18 ms |
8832 KB |
Output is correct |
96 |
Correct |
1 ms |
512 KB |
Output is correct |
97 |
Correct |
1 ms |
384 KB |
Output is correct |
98 |
Correct |
1 ms |
384 KB |
Output is correct |
99 |
Correct |
1 ms |
384 KB |
Output is correct |