/*
author: Maksim1744
created: 03.03.2021 16:47:45
*/
#include "bits/stdc++.h"
using namespace std;
#define ll long long
#define ld long double
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define sum(a) ( accumulate ((a).begin(), (a).end(), 0ll))
#define mine(a) (*min_element((a).begin(), (a).end()))
#define maxe(a) (*max_element((a).begin(), (a).end()))
#define mini(a) ( min_element((a).begin(), (a).end()) - (a).begin())
#define maxi(a) ( max_element((a).begin(), (a).end()) - (a).begin())
#define lowb(a, x) ( lower_bound((a).begin(), (a).end(), (x)) - (a).begin())
#define uppb(a, x) ( upper_bound((a).begin(), (a).end(), (x)) - (a).begin())
template<typename T> vector<T>& operator-- (vector<T>& v){for (auto& i : v) --i; return v;}
template<typename T> vector<T>& operator++ (vector<T>& v){for (auto& i : v) ++i; return v;}
template<typename T> istream& operator>>(istream& is, vector<T>& v){for (auto& i : v) is >> i; return is;}
template<typename T> ostream& operator<<(ostream& os, vector<T>& v){for (auto& i : v) os << i << ' '; return os;}
template<typename T, typename U> pair<T,U>& operator-- (pair<T, U> &p){--p.first; --p.second; return p;}
template<typename T, typename U> pair<T,U>& operator++ (pair<T, U> &p){++p.first; ++p.second; return p;}
template<typename T, typename U> istream& operator>>(istream& is, pair<T, U>& p){is >> p.first >> p.second; return is;}
template<typename T, typename U> ostream& operator<<(ostream& os, pair<T, U>& p){os << p.first << ' ' << p.second; return os;}
template<typename T, typename U> pair<T,U> operator-(pair<T,U> a, pair<T,U> b){return mp(a.first-b.first, a.second-b.second);}
template<typename T, typename U> pair<T,U> operator+(pair<T,U> a, pair<T,U> b){return mp(a.first+b.first, a.second+b.second);}
template<typename T, typename U> void umin(T& a, U b){if (a > b) a = b;}
template<typename T, typename U> void umax(T& a, U b){if (a < b) a = b;}
#ifdef HOME
#define SHOW_COLORS
#include "C:/C++ libs/print.cpp"
#else
#define show(...) 42
#define mclock 42
#define shows 42
#define debug if (false)
#endif
struct item {
ll mx;
template<typename T>
void init(const T &t, int l, int r) {
mx = t;
}
void update(const item &first, const item &second, int l, int r) {
mx = max(first.mx, second.mx);
}
static item merge(const item &first, const item &second, int l, int r) {
item res;
res.update(first, second, l, r); // careful with different lengths
return res;
}
};
string to_string(const item &i) {
stringstream ss;
ss << "[" << "]";
return ss.str();
}
ostream& operator << (ostream &o, const item &i) {
return o << to_string(i);
}
struct segtree {
vector<item> tree;
int n = 1;
segtree(int n = 1) : n(n) {
tree.resize(1 << (__lg(n - 1) + 2));
}
template<typename T>
void build(const vector<T> &v, int i, int l, int r) {
if (l == r) {
tree[i].init(v[l], l, r);
return;
}
int m = (l + r) >> 1;
build(v, i * 2 + 1, l, m);
build(v, i * 2 + 2, m + 1, r);
tree[i].update(tree[i * 2 + 1], tree[i * 2 + 2], l, r);
}
template<typename T>
void build(const vector<T> &v) {
n = v.size();
tree.resize(1 << (__lg(n - 1) + 2));
build(v, 0, 0, n - 1);
}
item ask(int l, int r, int i, int vl, int vr) {
if (l == vl && r == vr) {
return tree[i];
}
int m = (vl + vr) >> 1;
if (r <= m) {
return ask(l, r, i * 2 + 1, vl, m);
} else if (m < l) {
return ask(l, r, i * 2 + 2, m + 1, vr);
} else {
return item::merge(ask(l, m, i * 2 + 1, vl, m), ask(m + 1, r, i * 2 + 2, m + 1, vr), l, r);
}
}
item ask(int l, int r) {
l = max(l, 0); r = min(r, n - 1);
if (l > r) return item();
return ask(l, r, 0, 0, n - 1);
}
template<typename T>
void set(int ind, const T &t) {
static array<pair<int, int>, 30> st;
int l = 0, r = n - 1, i = 0;
int ptr = -1;
while (l != r) {
st[++ptr] = {l, r};
int m = (l + r) >> 1;
if (ind <= m) {
i = i * 2 + 1;
r = m;
} else {
i = i * 2 + 2;
l = m + 1;
}
}
tree[i].init(t, l, r);
while (i != 0) {
i = (i - 1) / 2;
tree[i].update(tree[i * 2 + 1], tree[i * 2 + 2], st[ptr].first, st[ptr].second);
--ptr;
}
}
};
int main() {
ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
int n, q;
cin >> n >> q;
vector<ll> w(n);
cin >> w;
struct str {
int l, r;
ll k;
int ind;
};
vector<str> que(q);
for (int i = 0; i < q; ++i) {
cin >> que[i].l >> que[i].r >> que[i].k;
que[i].ind = i;
--que[i].l;
--que[i].r;
}
vector<int> ans(q, -1);
sort(que.begin(), que.end(), [&](const auto &a, const auto &b) {
return a.r < b.r;
});
vector<int> st;
segtree tree(n);
int ind = 0;
for (auto q : que) {
while (ind <= q.r) {
while (!st.empty() && w[st.back()] <= w[ind])
st.pop_back();
if (!st.empty()) {
tree.set(st.back(), w[ind] + w[st.back()]);
}
st.pb(ind);
++ind;
}
ll val = tree.ask(q.l, q.r).mx;
ans[q.ind] = (val <= q.k);
}
for (int k : ans)
cout << k << '\n';
return 0;
}
