# include <bits/stdc++.h>
# define speed ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
# define int long long
# define fi first
# define se second
using namespace std;
const int N = 1e3 + 7;
const int mod = 1e9 + 7;
int a[N], dp[N][N];
int32_t main() {
speed;
int n, k;
cin >> n >> k;
for ( int i = 1; i <= n; i++ ) {
cin >> a[i];
}
for ( int i = 0; i <= n; i++ ) {
for ( int j = 0; j <= k; j++ ) {
dp[i][j] = 1e9;
}
}
dp[0][0] = 0;
for ( int i = 1; i <= n; i++ ) {
for ( int j = 1; j <= min( i, k ); j++ ) {
int mx = a[i];
for ( int x = i - 1; x >= 0; x-- ) {
dp[i][j] = min( dp[i][j], dp[x][j - 1] + mx );
mx = max( a[x], mx );
}
// cout << i << ' ' << j << ' ' << dp[i][j] << endl;
}
}
cout << dp[n][k];
}
