#include <cstdio>
#include <stdio.h>
#include <stdbool.h>
#include <iostream>
#include <map>
#include <vector>
#include <climits>
#include <stack>
#include <string>
#include <queue>
#include <algorithm>
#include <set>
#include <unordered_set>
#include <unordered_map>
#include <cmath>
#include <cctype>
#include <bitset>
#include <iomanip>
#include <cstring>
#include <numeric>
#include <cassert>
#include <random>
#include <chrono>
#include <fstream>
using namespace std;
#define int long long
#define pii pair<int, int>
#define mp make_pair
#define pb push_back
#define fi first
#define se second
int32_t main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n, k;
cin>>n>>k;
vector<int> vect(n+1);
vector<vector<int> > dp(n+1, vector<int>(k+1, LLONG_MAX/2));
dp[0][0]=0;
for (int i=1; i<=n; ++i)cin>>vect[i];
for (int i=1; i<=n; ++i)for (int j=1; j<=k; ++j)for (int p=i-1, mx=vect[i]; p>=j-1; --p)dp[i][j]=min(dp[i][j], dp[p][j-1]+mx), mx=max(mx, vect[p]);
cout<<dp[n][k];
}
