#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair <int, int>
#define fi first
#define se second
const int MAXN = 1e5 + 5, MAXK = 110, MAX = 1e9;
int arr[MAXN], dp[MAXK][MAXN];
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int n, k;
cin >> n >> k;
for (int i = 0; i <= k; i++) {
for (int j = 0; j <= n; j++) dp[i][j] = MAX;
}
dp[0][0] = 0;
for (int i = 1; i <= n; i++) {
cin >> arr[i];
dp[0][i] = max(dp[0][i - 1], arr[i]);
}
for (int i = 1; i <= k; i++) {
for (int j = 1; j <= n; j++) {
int mx = arr[j];
for (int z = j - 1; z >= 1; z--) {
dp[i][j] = min(dp[i][j], dp[i - 1][z] + mx);
mx = max(mx, arr[z]);
}
}
}
//for (int i = 0; i <= k; i++) {
//for (int j = 0; j <= n; j++) cout << dp[i][j] << " ";
//cout << "\n";
//}
cout << dp[k - 1][n] << "\n";
return 0;
}
