This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pll pair<ll,ll>
#define fs first
#define sc second
const int mxn = 2e5+10;
int arr[mxn];
int brr[mxn];
ll bit[mxn];
int n,q;
void modify(int p,ll v){
for(;p<mxn;p+=p&-p)bit[p] += v;
return;
}
ll getval(int s,int e){
ll re = 0;
for(;e>0;e-= e&-e)re += bit[e];
s--;
for(;s>0;s -= s&-s)re -= bit[s];
return re;
}
void calc(){
int l,r,t;
cin>>t>>l>>r;
int tmp[n+1];
for(int i = 1;i<=n;i++)tmp[i] = arr[i];
while(t--){
for(int i = n-1;i>=1;i--){
tmp[i+1] = max(tmp[i+1],tmp[i]);
}
}
ll total = 0;
for(int i = l;i<=r;i++)total += tmp[i];
cout<<total<<'\n';
return;
}
void solve(){
cin>>n>>q;
for(int i = 1;i<=n;i++)cin>>arr[i],brr[i] = arr[i];
/*
*/
if(n<=200&&q<=200){
while(q--)calc();
return;
}
ll t = 0;
pll req[q];
for(auto &i:req){
cin>>t;
cin>>i.fs>>i.sc;
}
ll p = 0;
for(int i = 1;i<=n;i++){
if(p<=i)p = i;
while(p<n&&p-i<=t&&arr[p+1]<=arr[i]){
p++;
brr[p] = arr[i];
}
//cout<<i<<":"<<p<<endl;
}
for(int i = 1;i<=n;i++)modify(i,brr[i]);//cout<<brr[i]<<' ';cout<<endl;
for(auto &i:req){
cout<<getval(i.fs,i.sc)<<'\n';
}
return;
}
int main(){
ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
int t = 1;
while(t--)solve();
}
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