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

#include<atcoder/all>
using namespace atcoder;
using mint=atcoder::modint998244353;

#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")

#define int long long

signed main(){
	int n,q;cin>>n>>q;

	vector<int> a(n);for(auto&&e:a)cin>>e;

	vector<int> v,vv;

	for(int i=0;i<n;i++){
		if(a[i]==1){
			v.push_back(i);
		}
		if(a[i]==9){
			vv.push_back(i);
		}
	}

	while(q--){
		int l,r;cin>>l>>r;l--;

		int ans=lower_bound(vv.begin(),vv.end(),r)-lower_bound(vv.begin(),vv.end(),l);

		for(auto&&e:v){
			if(l<=e&&e<r){
				ans+=r-e-1;
			}
		}

		cout<<ans<<endl;
	}
}