#pragma GCC optimize("Ofast")
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define sz(a) a.size()
#define all(a) a.begin(),a.end()
#define lb lower_bound
#define ub upper_bound
#define owo ios_base::sync_with_stdio(0);cin.tie(0);
#define MOD (ll)(1e9+7)
#define INF (ll)(1e18)
#define debug(...) fprintf(stderr, __VA_ARGS__),fflush(stderr)
#define time__(d) for(long blockTime = 0; (blockTime == 0 ? (blockTime=clock()) != 0 : false);\
debug("%s time : %.4fs\n", d, (double)(clock() - blockTime) / CLOCKS_PER_SEC))
typedef long long int ll;
typedef long double ld;
typedef pair<ll,ll> PII;
typedef pair<int,int> pii;
typedef vector<vector<int>> vii;
typedef vector<vector<ll>> VII;
ll gcd(ll a,ll b){if(!b)return a;else return gcd(b,a%b);}
const ll is_query = -9223372036854775807;
struct line{
ll m,c,id = 0;//y = mx+c
line(ll a,ll b,ll d){m = a;c = b;id=d;}
ll eval(ll x){return m*x+c;}
ld interx(line l) {return (ld)((l.c - c)/(m - l.m));}
mutable function<const line*()> succ; //succesor
bool operator<(const line &r)const{
if(r.c != is_query)return r.m > m;
const line* s = succ();
if (!s) return 0;
ll x = r.m;
return 1.0L * c - s->c < 1.0L *(s->m - m) * x; //is x greater than the intersection point of s and succ?
//if yes then we move forward ez
}
};
struct chull{
set<line>h;
bool bad(set<line>::iterator y){
auto z = next(y);
if(y == h.begin()){ //y is the first line in hull
if(z == h.end())return 0;
return y->m == z->m && y->c <= z->c; //are you parallel?
}
auto x = prev(y);
if(z == h.end())return y->m == x->m && x->c <= y->c; //if y is last line also check paralell
return (x->c - y->c)*1.0L*(z->m - y->m) >= (y->c - z->c)*1.0L*(y->m - x->m); //check if isect(x,y) > isect(y,z)
//if yes,diu diao you
}
void add(line l){
auto y = h.insert(l).fi;
y->succ = [=] { return next(y) == h.end() ? 0 : &*next(y); }; //y's succsesor
if(bad(y)){h.erase(y);return;}
while(next(y) != h.end() && bad(next(y)))h.erase(next(y)); //diu diao bu hao der
while(y != h.begin() && bad(prev(y)))h.erase(prev(y));
}
PII query(ll x){
auto it = *h.lb(line(x,is_query,0));
return {it.eval(x),it.id};
}
};
int main()
{
owo
int n,k;
cin>>n>>k;
vector<ll>a(n);
for(int i=0;i<n;i++)cin>>a[i];
VII dp(n,vector<ll>(k+1)),par(n,vector<ll>(k+1));
vector<chull>hulls(k+1);
hulls[0].add(line(0,0,-1));
vector<ll>p = a;
for(int i=1;i<n;i++)p[i]+=p[i-1];
for(int i=0;i<n-1;i++){
for(int j=k;j>=1;j--){
if(hulls[j-1].h.empty())continue;
PII v = hulls[j-1].query(p[n-1]-p[i]);
dp[i][j] = v.fi + p[i]*(p[n-1] - p[i]);
par[i][j] = v.se;
//cout<<i<<" "<<j<<" "<<v.se<<'\n';
hulls[j].add(line(-p[i],dp[i][j],i));
}
}
ll ans = 0;
for(int i=0;i<n-1;i++){ans = max(ans,dp[i][k]);}
//cout<<'\n';
cout<<ans<<'\n';
vector<int>seq;
for(int i=0;i<n;i++){
if(dp[i][k] == ans){
int cur = i;
for(int j=k;j>=1;j--){
seq.pb(cur);
cur = par[cur][j];
}
break;
}
}
reverse(all(seq));
for(int x:seq)cout<<x+1<<" ";
}
