#include <bits/stdc++.h>
#define x first
#define y second
#define pb push_back
#define mp make_pair
#define up_b upper_bound
#define low_b lower_bound
#define sz(x) (int)x.size()
#define all(v) v.begin(),v.end()
#define boost ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<int,ll> pil;
typedef pair<ll,int> pli;
typedef pair<ll,ll> pll;
const int INF = INT_MAX;
const int mod = 998244353;
const int dx[4] = {0, 0, 1, -1};
const int dy[4] = {1, -1, 0, 0};
const int N = 2e5+5;
const int M = 1e2+1;
int a[N],dp[N][M];
int main(){
int n,k;
cin>>n>>k;
for(int i=1;i<=n;i++){
cin>>a[i];
}
for(int i=1;i<=n;i++){
dp[i][1]=max(dp[i-1][1],a[i]);
}
for(int j=2;j<=k;j++){
stack<pii>s;
for(int i=j;i<=n;i++){
int mn=dp[i-1][j-1];
while(!s.empty()){
if(a[s.top().x]>a[i])break;
mn=min(mn,s.top().y);
s.pop();
}
dp[i][j]=min(mn+a[i],!s.empty()?dp[s.top().x][j]:INF);
s.push(mp(i,mn));
}
}
cout<<dp[n][k];
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
256 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
456 KB |
Output is correct |
| 4 |
Correct |
2 ms |
480 KB |
Output is correct |
| 5 |
Correct |
2 ms |
500 KB |
Output is correct |
| 6 |
Correct |
2 ms |
552 KB |
Output is correct |
| 7 |
Correct |
2 ms |
556 KB |
Output is correct |
| 8 |
Correct |
2 ms |
560 KB |
Output is correct |
| 9 |
Correct |
2 ms |
568 KB |
Output is correct |
| 10 |
Correct |
2 ms |
616 KB |
Output is correct |
| 11 |
Correct |
2 ms |
628 KB |
Output is correct |
| 12 |
Correct |
2 ms |
660 KB |
Output is correct |
| 13 |
Correct |
2 ms |
664 KB |
Output is correct |
| 14 |
Correct |
2 ms |
684 KB |
Output is correct |
| 15 |
Correct |
2 ms |
688 KB |
Output is correct |
| 16 |
Correct |
2 ms |
692 KB |
Output is correct |
| 17 |
Correct |
2 ms |
696 KB |
Output is correct |
| 18 |
Correct |
2 ms |
700 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
704 KB |
Output is correct |
| 2 |
Correct |
2 ms |
708 KB |
Output is correct |
| 3 |
Correct |
2 ms |
712 KB |
Output is correct |
| 4 |
Correct |
2 ms |
712 KB |
Output is correct |
| 5 |
Correct |
2 ms |
720 KB |
Output is correct |
| 6 |
Correct |
1 ms |
724 KB |
Output is correct |
| 7 |
Correct |
2 ms |
724 KB |
Output is correct |
| 8 |
Correct |
2 ms |
724 KB |
Output is correct |
| 9 |
Correct |
2 ms |
724 KB |
Output is correct |
| 10 |
Correct |
2 ms |
724 KB |
Output is correct |
| 11 |
Correct |
2 ms |
724 KB |
Output is correct |
| 12 |
Correct |
2 ms |
724 KB |
Output is correct |
| 13 |
Correct |
2 ms |
728 KB |
Output is correct |
| 14 |
Correct |
2 ms |
732 KB |
Output is correct |
| 15 |
Correct |
2 ms |
736 KB |
Output is correct |
| 16 |
Correct |
2 ms |
740 KB |
Output is correct |
| 17 |
Correct |
2 ms |
744 KB |
Output is correct |
| 18 |
Correct |
2 ms |
748 KB |
Output is correct |
| 19 |
Correct |
2 ms |
752 KB |
Output is correct |
| 20 |
Correct |
2 ms |
756 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
756 KB |
Output is correct |
| 2 |
Correct |
2 ms |
756 KB |
Output is correct |
| 3 |
Correct |
2 ms |
760 KB |
Output is correct |
| 4 |
Correct |
2 ms |
764 KB |
Output is correct |
| 5 |
Correct |
2 ms |
768 KB |
Output is correct |
| 6 |
Correct |
2 ms |
772 KB |
Output is correct |
| 7 |
Correct |
2 ms |
776 KB |
Output is correct |
| 8 |
Correct |
2 ms |
780 KB |
Output is correct |
| 9 |
Correct |
2 ms |
784 KB |
Output is correct |
| 10 |
Correct |
2 ms |
788 KB |
Output is correct |
| 11 |
Correct |
2 ms |
792 KB |
Output is correct |
| 12 |
Correct |
2 ms |
796 KB |
Output is correct |
| 13 |
Correct |
2 ms |
800 KB |
Output is correct |
| 14 |
Correct |
2 ms |
804 KB |
Output is correct |
| 15 |
Correct |
2 ms |
808 KB |
Output is correct |
| 16 |
Correct |
2 ms |
808 KB |
Output is correct |
| 17 |
Correct |
3 ms |
812 KB |
Output is correct |
| 18 |
Correct |
2 ms |
812 KB |
Output is correct |
| 19 |
Correct |
2 ms |
812 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
4776 KB |
Output is correct |
| 2 |
Correct |
63 ms |
18856 KB |
Output is correct |
| 3 |
Correct |
30 ms |
19084 KB |
Output is correct |
| 4 |
Correct |
132 ms |
19488 KB |
Output is correct |
| 5 |
Correct |
206 ms |
42380 KB |
Output is correct |
| 6 |
Correct |
61 ms |
42952 KB |
Output is correct |
| 7 |
Correct |
123 ms |
43664 KB |
Output is correct |
| 8 |
Correct |
2 ms |
43664 KB |
Output is correct |
| 9 |
Correct |
2 ms |
43664 KB |
Output is correct |
| 10 |
Correct |
2 ms |
43664 KB |
Output is correct |
| 11 |
Correct |
2 ms |
43664 KB |
Output is correct |
| 12 |
Correct |
2 ms |
43664 KB |
Output is correct |
| 13 |
Correct |
2 ms |
43664 KB |
Output is correct |
| 14 |
Correct |
25 ms |
43664 KB |
Output is correct |
| 15 |
Correct |
7 ms |
43664 KB |
Output is correct |
| 16 |
Correct |
11 ms |
43664 KB |
Output is correct |
| 17 |
Correct |
26 ms |
43664 KB |
Output is correct |
| 18 |
Correct |
31 ms |
43664 KB |
Output is correct |
| 19 |
Correct |
92 ms |
43664 KB |
Output is correct |
| 20 |
Correct |
365 ms |
45592 KB |
Output is correct |
| 21 |
Correct |
69 ms |
46132 KB |
Output is correct |
| 22 |
Correct |
149 ms |
46828 KB |
Output is correct |
| 23 |
Correct |
58 ms |
47484 KB |
Output is correct |
| 24 |
Correct |
90 ms |
48132 KB |
Output is correct |
| 25 |
Correct |
262 ms |
48132 KB |
Output is correct |
| 26 |
Correct |
2 ms |
48132 KB |
Output is correct |
| 27 |
Correct |
2 ms |
48132 KB |
Output is correct |
| 28 |
Correct |
18 ms |
48132 KB |
Output is correct |
| 29 |
Correct |
8 ms |
48132 KB |
Output is correct |
| 30 |
Correct |
10 ms |
48132 KB |
Output is correct |
| 31 |
Correct |
26 ms |
48132 KB |
Output is correct |
| 32 |
Correct |
30 ms |
48132 KB |
Output is correct |
| 33 |
Correct |
87 ms |
48132 KB |
Output is correct |
| 34 |
Correct |
210 ms |
48344 KB |
Output is correct |
| 35 |
Correct |
61 ms |
48344 KB |
Output is correct |
| 36 |
Correct |
133 ms |
48352 KB |
Output is correct |
| 37 |
Correct |
7 ms |
48352 KB |
Output is correct |
| 38 |
Correct |
17 ms |
48352 KB |
Output is correct |
| 39 |
Correct |
2 ms |
48352 KB |
Output is correct |
| 40 |
Correct |
2 ms |
48352 KB |
Output is correct |
| 41 |
Correct |
2 ms |
48352 KB |
Output is correct |
| 42 |
Correct |
2 ms |
48352 KB |
Output is correct |
