#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int INF=1e9,MOD=1e9+7;
const ll LINF=1e18;
#define fi first
#define se second
#define pii pair<int,int>
#define pll pair<ll,ll>
#define mid ((l+r)/2)
#define sz(a) (int((a).size()))
#define all(a) a.begin(),a.end()
#define endl "\n"
#define pb push_back
struct Line{
ll k,m,l,r,id;
ll operator ()(ll x){
return k*x+m;
}
};
void PRINT(int x) {cerr << x;}
void PRINT(ll x) {cerr << x;}
void PRINT(double x) {cerr << x;}
void PRINT(char x) {cerr << '\'' << x << '\'';}
void PRINT(string x) {cerr << '\"' << x << '\"';}
void PRINT(bool x) {cerr << (x ? "true" : "false");}
void PRINT(Line f){
cerr<<f.k<<"x+"<<f.m<<" ["<<f.l<<","<<f.r<<"]";
}
template<typename T,typename V>
void PRINT(pair<T,V>& x){
cerr<<"{";
PRINT(x.fi);
cerr<<",";
PRINT(x.se);
cerr<<"}";
}
template<typename T>
void PRINT(T &x){
int id=0;
cerr<<"{";
for(auto _i:x){
cerr<<(id++ ? "," : "");
PRINT(_i);
}
cerr<<"}";
}
void _PRINT(){
cerr<<"]\n";
}
template<typename Head,typename... Tail>
void _PRINT(Head h,Tail... t){
PRINT(h);
if(sizeof...(t)) cerr<<", ";
_PRINT(t...);
}
#define Debug(x...) cerr<<"["<<#x<<"]=["; _PRINT(x)
ll Intersect(Line l1,Line l2){
ll ret=(l2.m-l1.m)/(l1.k-l2.k);
return (ret>=0 ? ret : ret-1);
}
deque<Line> Hull;
int it;
void AddLine(Line f){
if(!Hull.empty() && Hull[0].k==f.k){
if(Hull[0].m<f.k){
Hull.pop_front();
Hull[0].l=-LINF;
if(it) it--;
}
else return;
}
if(sz(Hull)==0){
f.l=-LINF,f.r=LINF;
Hull.push_front(f);
it++;
}
else if(sz(Hull)==1){
ll sec=Intersect(f,Hull[0]);
f.l=-LINF,f.r=sec;
Hull[0].l=sec+1;
Hull.push_front(f);
it++;
}
else{
while(Hull[0].r<=Intersect(f,Hull[0])){
Hull.pop_front();
Hull[0].l=-LINF;
if(it) it--;
}
ll sec=Intersect(f,Hull[0]);
f.l=-LINF,f.r=sec;
Hull[0].l=sec+1;
Hull.push_front(f);
it++;
}
}
void Solve(){
int N,K; cin>>N>>K;
vector<ll> a(N+1);
for(int i=1;i<=N;i++) cin>>a[i];
vector<ll> p(N+1,0);
for(int i=1;i<=N;i++) p[i]=p[i-1]+a[i];
vector<vector<pll>> dp(K+1,vector<pll>(N+1,{0,0}));
//AddLine({0,0,0,0,-1});
for(int j=1;j<=K;j++){
it=sz(Hull)-1;
for(int i=j;i<=N-1;i++){
ll x=p[N]-p[i];
Line f={-p[i-1],dp[j-1][i-1].fi,0,0,i-1};
AddLine(f);
while(!(Hull[it].l<=x && x<=Hull[it].r)){
it--;
}
if(it<0) exit(1);
ll dp_new=Hull[it](p[N]-p[i])+p[i]*(p[N]-p[i]);
if(dp[j][i].fi<dp_new){
dp[j][i].fi=dp_new;
dp[j][i].se=Hull[it].id;
}
}
Hull.clear();
/*
for(int i=1;i<=N-1;i++){
Line f={-p[i],dp[j][i].fi,0,0,i};
AddLine(f);
}
*/
}
ll res=0;
int idx;
int c=K;
for(int i=1;i<=N-1;i++){
if(res<dp[K][i].fi){
idx=i;
res=dp[K][i].fi;
}
}
cout<<res<<endl;
for(;idx!=0;idx=dp[c][idx].se,c--){
cout<<idx<<" ";
}
}
int main(){
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int t; t=1;
//cin>>t;
while(t--){
Solve();
}
return 0;
}
/*
7 3
4 1 3 4 0 2 3
*/
