#include <bits/stdc++.h>
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
//#define int long long
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
const int mod = 1e9 + 7;
const int LOG = 20;
const int maxn = 1e5 + 5;
const double eps = 1e-9;
int32_t main() {
int n, k;
cin >> n >> k;
vector<int> v(n+1);
for(int i=1; i<=n; i++) cin >> v[i];
ll dp[n+1][k+1];
for(int i=0; i<=n; i++)
for(int j=0; j<=k; j++) dp[i][j] = 1e18;
dp[0][0] = 0;
for(int i=1; i<=n; i++) {
for(int j=1; j<=k; j++) {
int mx = 0;
for(int x=i; x>=1; x--) {
mx = max(mx, v[x]);
dp[i][j] = min(dp[i][j], dp[x-1][j-1] + mx);
}
}
}
cout << dp[n][k] << '\n';
return 0;
}
