#include <iostream>
#include <algorithm>
#include <iomanip>
#include <vector>
#include <queue>
#include <set>
#include <map>
#include <cassert>

#define debug_value(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << #x << "=" << x << endl;
#define debug(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << x << endl;

template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

using namespace std;
typedef long long ll;

template <typename T>
struct bit{
    int n;
    vector<T> data;

    bit(int n_){
        n = 1;
        while(n < n_) n *= 2;
        data = vector<T>(n+1);
        for(int i = 0; i <= n; i++) data[i] = 0;
    }
    
    T sum(int i){
        T ret = 0;
        while(i > 0){
            ret += data[i];
            i -= i&-i;
        }
        return ret;
    }

    void add(int i, T x){
        while(i <= n){
            data[i] += x;
            i += i&-i;
        }
    }
};

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout << setprecision(10) << fixed;
    int n, q; cin >> n >> q;
    vector<ll> a(n+1), cumsum(n+1);
    for(int i = 1; i <= n; i++) {
        cin >> a[i];
        cumsum[i] = cumsum[i-1]+a[i];
    }
    bit<int> bt(n);
    for(int i = 1; i <= n; i++) bt.add(i, 1);

    auto sect_sum = [&](int l, int r){
        return cumsum[r]-cumsum[l-1];
    };

    auto find_last = [&](int x){
        if(x == 0) return 0;
        int l = 0, r = n;
        while(r-l > 1){
            int c = (l+r)/2;
            if(bt.sum(c) < x) l = c;
            else r = c;
        }
        return r;
    };

    set<int> st;
    for(int i = 1; i <= n; i++) st.insert(i);

    while(q--){
        int t, l, r; cin >> t >> l >> r;
        if(t == 1){
            int a = find_last(l-1);
            int b = find_last(r);
            auto p = st.lower_bound(a+2);
            vector<int> to_erase;
            while(p != st.end()){
                if(*p > b) break;
                bt.add(*p, -1);
                to_erase.push_back(*p);
                p++;
            }
            for(int x : to_erase) st.erase(x);
        }else{
            int a = find_last(l-1);
            int b = find_last(r);
            cout << sect_sum(a+1, b) << endl;
        }
    }
}