#include <bits/stdc++.h>
#define ll long long
#define lld long double
#define ff first
#define ss second
#define pb push_back
#define vr(v) v.begin(),v.end()
#define rv(v) v.rbegin(),v.rend()
#define Code ios_base::sync_with_stdio(false);
#define By cin.tie(NULL);
#define Davit cout.tie(NULL);
using namespace std;
int main() {
int n, k;
cin >> n >> k;
vector<int> v(n);
for (int i = 0; i < n; i++)cin >> v[i];
vector<vector<int>> dp(n, vector<int>(k+5,1e9));
int mx = v[0];
for (int i = 0; i < n; i++) {
mx = max(mx, v[i]);
dp[i][1] = mx;
}
for (int j = 2; j <= k; j++) {
for (int i = 0; i < n; i++) {
int X = -1e9;
for (int l = i; l >= 1; l--) {
X = max(X, v[l]);
dp[i][j] = min(dp[i][j], dp[l-1][j-1] + X);
}
}
}
cout << dp[n - 1][k] << endl;
}
