#include<bits/stdc++.h>
#define el '\n'
using namespace std ;
const int MN = 1e5 + 5;
const int64_t inf = 1e18;
int64_t a[MN];
int32_t main (){
ios_base::sync_with_stdio(0);
cin.tie(0);
int n , k;
cin >> n >> k;
for ( int i = 1 ; i <= n ; i++ ) cin >> a[i];
vector<vector<int64_t>> dp(n + 5 , vector<int64_t>(k + 5 , inf));
dp[0][0] = 0;
for ( int i = 1 ; i <= n ; i++ ){
int64_t mx = 0;
for ( int j = i ; j >= 1 ; j-- ){
mx = max(mx , a[j]);
for ( int l = 0 ; l <= k ; l++ ){
dp[i][l + 1] = min(dp[i][l + 1] , dp[j - 1][l] + mx);
}
}
}
cout << dp[n][k];
}
