/* made by amunduzbaev */
#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
//using namespace __gnu_pbds;
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define ub upper_bound
#define lb lower_bound
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(),x.rend()
#define NeedForSpeed ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define vv vector
#define tut(x) array<int, x>
#define int long long
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef vector<int> vii;
typedef vector<pii> vpii;
template<class T> bool umin(T& a, const T& b) { return a > b? a = b, true:false; }
template<class T> bool umax(T& a, const T& b) { return a < b? a = b, true:false; }
//void usaco(string s) { freopen((s+".in").c_str(),"r",stdin);
//freopen((s+".out").c_str(),"w",stdout); }
//template<class T> tree<T,
//less<T>, null_type, rb_tree_tag,
//tree_order_statistics_node_update> ordered_set;
const int N = 1e5+5;
const int mod = 1e9+7;
const ll inf = 1e18;
const ld Pi = acos(-1);
#define MULTI 0
int n, m, K, s, ans, q, res, a[N], pref[N];
int mx[N][205], par[N][205], k;
void dnc(int l = k, int r = n-1, int lx = k, int rx = n-1){
if(l > r) return;
int m = (l + r)>>1;
mx[m][k] = -1;
for(int i=lx;i<=min(rx, m);i++){
if(umax(mx[m][k], mx[i-1][k-1] + (pref[m] - pref[i-1]) * pref[i-1])) par[m][k] = i;
} dnc(l, m-1, lx, par[m][k]);
dnc(m+1, r, par[m][k], rx);
}
void solve(int t_case) {
cin>>n>>K;
for(int i=0;i<n;i++) cin>>a[i];
for(int i=0;i<n;i++){
pref[i] = a[i];
if(i) pref[i] += pref[i-1];
}
for(k=1;k<=K;k++) dnc();
res = mx[n-1][K];
vii tt;
int in = n-1, k = K;
while(par[in][k]){
tt.pb(par[in][k]);
in = par[in][k] - 1, k--;
}
cout<<res<<"\n";
sort(all(tt));
for(auto x : tt) cout<<x<<" ";
cout<<"\n";
}
signed main(){
NeedForSpeed
if(!MULTI) {
solve(1);
} else {
int t; cin>>t;
for(int t_case = 1; t_case <= t; t_case++) solve(t_case);
} return 0;
}
