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 sz(s) (int)s.size()
#define ff first
#define ss second
#define ll long long
ll n, m;
int main(){
ios::sync_with_stdio (false); cin.tie(nullptr);
cin >> n >> m;
ll nq = sqrt(n), cnt = 0;
vector <ll> a(n+1), id(n+1), an(nq+10), mmx(nq+10);
vector <pair<ll,ll>> rn(n+1);
for(int i = 1; i <= n; i++){
cin >> a[i];
}
vector <ll> v[nq+10];
for(int i = 1; i <= n; i++){
cnt++;
ll mx = 0;
for(int j = i; j <= min(i+nq-1,n); j++){
if(mx > a[j]) an[cnt] = max(an[cnt],mx+a[j]);
mx = max(mx,a[j]);
id[j] = cnt;
v[cnt].push_back(a[j]);
}
sort(v[cnt].begin(), v[cnt].end());
mmx[cnt] = mx;
rn[cnt] = {i,min(i+nq-1,n)};
i = min(i+nq-1,n);
}
for(int i = 1; i <= m; i++){
ll l, r, k;
cin >> l >> r >> k;
ll mx = 0, ans = 0;
for(int j = l; j <= min(rn[id[l]].ss,r); j++){
if(a[j] < mx) ans = max(ans,a[j]+mx);
mx = max(mx,a[j]);
}
ll ind = id[l]+1;
while(ind < id[r]){
ans = max(ans,an[ind]);
int t = lower_bound(v[ind].begin(), v[ind].end(), mx) - v[ind].begin();
if(t != 0) ans = max(ans,mx+v[ind][t-1]);
mx = max(mx,mmx[ind]);
ind++;
}
if(id[l] != id[r]){
for(int j = rn[id[r]].ff; j <= r; j++){
if(a[j] < mx) ans = max(ans,mx+a[j]);
mx = max(mx,a[j]);
}
}
cout << (ans > k ? 0 : 1) << '\n';
}
}
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