#include <bits/stdc++.h>
using namespace std;

using ll=long long;
#define int ll

#define rng(i,a,b) for(int i=int(a);i<int(b);i++)
#define rep(i,b) rng(i,0,b)
#define gnr(i,a,b) for(int i=int(b)-1;i>=int(a);i--)
#define per(i,b) gnr(i,0,b)
#define pb push_back
#define eb emplace_back
#define a first
#define b second
#define bg begin()
#define ed end()
#define all(x) x.bg,x.ed
#ifdef LOCAL
#define dmp(x) cerr<<__LINE__<<" "<<#x<<" "<<x<<endl
#else
#define dmp(x) void(0)
#endif

template<class t,class u> void chmax(t&a,u b){if(a<b)a=b;}
template<class t,class u> void chmin(t&a,u b){if(b<a)a=b;}

template<class t> using vc=vector<t>;
template<class t> using vvc=vc<vc<t>>;

using pi=pair<int,int>;
using vi=vc<int>;

template<class t,class u>
ostream& operator<<(ostream& os,const pair<t,u>& p){
	return os<<"{"<<p.a<<","<<p.b<<"}";
}

template<class t> ostream& operator<<(ostream& os,const vc<t>& v){
	os<<"{";
	for(auto e:v)os<<e<<",";
	return os<<"}";
}

#define mp make_pair
#define mt make_tuple
#define one(x) memset(x,-1,sizeof(x))
#define zero(x) memset(x,0,sizeof(x))

using uint=unsigned;
using ull=unsigned long long;

template<int i,class T>
void print_tuple(ostream&,const T&){
}

template<int i,class T,class H,class ...Args>
void print_tuple(ostream&os,const T&t){
	if(i)os<<",";
	os<<get<i>(t);
	print_tuple<i+1,T,Args...>(os,t);
}

template<class ...Args>
ostream& operator<<(ostream&os,const tuple<Args...>&t){
	os<<"{";
	print_tuple<0,tuple<Args...>,Args...>(os,t);
	return os<<"}";
}

void print(ll x,int suc=1){
	cout<<x;
	if(suc==1)
		cout<<"\n";
	if(suc==2)
		cout<<" ";
}

ll read(){
	ll i;
	cin>>i;
	return i;
}

vi readvi(int n,int off=0){
	vi v(n);
	rep(i,n)v[i]=read()+off;
	return v;
}

template<class T>
void print(const vector<T>&v,int suc=1){
	rep(i,v.size())
		print(v[i],i==int(v.size())-1?suc:2);
}

string readString(){
	string s;
	cin>>s;
	return s;
}

template<class T>
T sq(const T& t){
	return t*t;
}

//#define CAPITAL
void yes(bool ex=true){
	#ifdef CAPITAL
	cout<<"YES"<<endl;
	#else
	cout<<"Yes"<<endl;
	#endif
	if(ex)exit(0);
}
void no(bool ex=true){
	#ifdef CAPITAL
	cout<<"NO"<<endl;
	#else
	cout<<"No"<<endl;
	#endif
	if(ex)exit(0);
}

constexpr ll ten(int n){
	return n==0?1:ten(n-1)*10;
}

const ll infLL=LLONG_MAX/3;

#ifdef int
const int inf=infLL;
#else
const int inf=INT_MAX/2-100;
#endif

int topbit(signed t){
	return t==0?-1:31-__builtin_clz(t);
}
int topbit(ll t){
	return t==0?-1:63-__builtin_clzll(t);
}
int botbit(signed a){
	return a==0?32:__builtin_ctz(a);
}
int botbit(ll a){
	return a==0?64:__builtin_ctzll(a);
}
int popcount(signed t){
	return __builtin_popcount(t);
}
int popcount(ll t){
	return __builtin_popcountll(t);
}
bool ispow2(int i){
	return i&&(i&-i)==i;
}
int mask(int i){
	return (int(1)<<i)-1;
}

bool inc(int a,int b,int c){
	return a<=b&&b<=c;
}

template<class t> void mkuni(vc<t>&v){
	sort(all(v));
	v.erase(unique(all(v)),v.ed);
}

ll rand_int(ll l, ll r) { //[l, r]
	#ifdef LOCAL
	static mt19937_64 gen;
	#else
    static random_device rd;
    static mt19937_64 gen(rd());
    #endif
    return uniform_int_distribution<ll>(l, r)(gen);
}

struct BIT{
	vi buf;
	int s;
	BIT(int n=0){init(n);}
	void init(int n){buf.assign(s=n,0);}
	void add(int i,int v){
		for(;i<s;i+=(i+1)&(-i-1))
			buf[i]+=v;
	}
	int get(int i){
		int res=0;
		for(;i>=0;i-=(i+1)&(-i-1))
			res+=buf[i];
		return res;
	}
	int sum(int b,int e){
		return get(e-1)-get(b-1);
	}
	int kth(int k){
		int res=0;
		for(int i=topbit(s);i>=0;i--){
			int w=res+(1<<i);
			if(w<=s&&buf[w-1]<=k){
				k-=buf[w-1];
				res=w;
			}
		}
		return res;
	}
};

signed main(){
	cin.tie(0);
	ios::sync_with_stdio(0);
	cout<<fixed<<setprecision(20);
	
	int n,q;cin>>n>>q;
	vi a=readvi(n);
	vi idx(n);
	iota(all(idx),0);
	sort(all(idx),[&](int i,int j){return a[i]<a[j];});
	
	vc<pi> qs;
	rep(_,q){
		int l,r;cin>>l>>r;
		l--;
		qs.eb(l,r);
	}
	
	vi lw(q,-1),up(q,n-1);
	
	while(1){
		vvc<int> z(n);
		bool has=false;
		rep(i,q){
			if(up[i]-lw[i]>1){
				int m=(lw[i]+up[i])/2;
				z[m].pb(i);
				has=true;
			}
		}
		dmp(lw);
		dmp(up);
		if(!has)break;
		BIT bit(n);
		rep(i,n){
			bit.add(idx[i],1);
			for(auto j:z[i]){
				int s=bit.sum(qs[j].a,qs[j].b);
				if(s<(qs[j].b-qs[j].a+1)/2)
					lw[j]=i;
				else
					up[j]=i;
			}
		}
	}
	
	vi ans(q);
	{
		vi s(n+1);
		rep(i,n)s[i+1]=s[i]+a[i];
		rep(i,q)
			ans[i]=s[qs[i].b]-s[qs[i].a];
	}
	
	vvc<int> z(n);
	rep(i,q)
		z[up[i]].pb(i);
	BIT bit1(n),bit2(n);
	rep(i,n){
		bit1.add(idx[i],1);
		bit2.add(idx[i],a[idx[i]]);
		for(auto j:z[i]){
			int x=bit1.sum(qs[j].a,qs[j].b);
			int y=qs[j].b-qs[j].a-x;
			ans[j]-=bit2.sum(qs[j].a,qs[j].b)*2;
			ans[j]+=(x-y)*a[idx[i]];
		}
	}
	
	for(auto v:ans)
		cout<<v<<endl;
}