/*
Code written by Talant I.D.
*/
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
typedef tree <pii, null_type, less <pii>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
#define precision(n) fixed << setprecision(n)
#define pb push_back
#define ub upper_bound
#define lb lower_bound
#define mp make_pair
#define eps (double)1e-9
#define PI 2*acos(0.0)
#define endl "\n"
#define sz(v) int((v).size())
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define do_not_disturb ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define OK cout << "OK" << endl;
const int mod = 1e9+7;
ll mode(ll a) {
a -= mod;
if (a < 0) a += mod;
return a;
}
ll subt(ll a, ll b) {
return mode(mode(a)-mode(b));
}
ll add(ll a, ll b) {
return mode(mode(a)+mode(b));
}
ll mult(ll a, ll b) {
return mode(mode(a)*mode(b));
}
ll binpow(ll a, ll b) {
ll res = 1;
while (b) {
if (b&1) res = mult(res, a);
a = mult(a, a);
b >>= 1;
}
return res;
}
const int N = 1e5+7;
ll dp[2][N], a[N], pref[N], par[203][N];
struct line {
ll m, c;
line(ll _m, ll _c) {
m = _m;
c = _c;
}
ll get(ll x) {
return m * x + c;
}
ll intersect(line other) {
return (c - other.c) / (other.m - m);
}
};
int main() {
do_not_disturb
int n, K;
cin >> n >> K;
for (int i = 1; i <= n; i++) {
cin >> a[i];
pref[i] = pref[i-1] + a[i];
}
for (int i = 1; i <= n; i++) {
dp[1][i] = pref[i]*(pref[n]-pref[i]);
}
for (int k = 2; k <= K; k++) {
int type = k&1;
deque <pair <int, line>> K;
vector <int> inds(n+1);
iota(all(inds), 0);
auto cmp = [&K](int i, ll x) {
return K[i].second.intersect(K[i + 1].second) < x;
};
K.push_front(mp(k-1, line(-pref[k-1], dp[1-type][k-1])));
for (int i = k; i <= n; i++) {
int it = *lb(inds.begin(), inds.begin()+sz(K)-1, pref[n]-pref[i], cmp);
ll res = 0ll+K[it].second.get(pref[n]-pref[i])+1ll*pref[i]*(pref[n]-pref[i]);
dp[type][i] = res;
par[k][i] = K[it].first;
line cur = line(-pref[i], dp[1-type][i]);
while (sz(K) >= 2 && ((cur.m == K[0].second.m && cur.c == K[0].second.c) || cur.intersect(K[0].second) >= K[0].second.intersect(K[1].second))) {
K.pop_front();
}
K.push_front(mp(i, cur));
}
}
ll mx = -1, ind = 0;
for (int i = 1; i <= n; i++) {
if (dp[K&1][i] > mx) {
mx = dp[K&1][i];
ind = i;
}
}
cout << mx << endl;
vector <int> v;
for (int i = 0; i < K; i++) {
v.pb(ind);
ind = par[K - i][ind];
}
reverse(all(v));
for (auto to : v) cout << to << ' ';
return 0;
}
