#include <bits/stdc++.h>
//#pragma comment(linker, "/stack:200000000")
//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define fast ios_base::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr);
#define all(v) v.begin(),v.end()
#define pb push_back
#define sz size()
#define ft first
#define sd second
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef unsigned long long ull;
const int N = 1e6 + 5;
const ll M = 1e8;
const ll inf = 1e18;
const ll mod = 1e9;
const double Pi = acos(-1);
ll binpow(ll x, ll ti) { ll res = 1;while (ti){if(ti & 1)res *= x;x *= x;ti >>= 1; x %= mod; res %= mod;} return res;}
ll binmul(ll x, ll ti) { ll res = 0;while (ti){if(ti & 1)res += x;x += x;ti >>= 1; x %= mod; res %= mod;} return res;}
ll nok(ll a, ll b) { return (a*b)/__gcd(abs(a),abs(b)) * (a*b > 0 ? 1 : -1); }
bool odd(ll n) { return (n % 2 == 1); }
bool even(ll n) { return (n % 2 == 0); }
struct node {
ll ans, mx, mn;
};
ll n, m, a[N];
node t[N * 4];
void build(ll v = 1, ll tl = 1, ll tr = n) {
if (tl == tr) {
t[v] = {0, a[tl], a[tl]};
return;
}
ll tm = (tl + tr) / 2;
build(v + v, tl, tm);
build(v + v + 1, tm + 1, tr);
t[v].mx = max(t[v + v].mx, t[v + v + 1].mx);
t[v].mn = min(t[v + v].mn, t[v + v + 1].mn);
t[v].ans = max({t[v + v].ans, t[v + v + 1].ans});
if (t[v + v].mx > t[v + v + 1].mn) t[v].ans = max({t[v].ans, t[v + v].mx + t[v + v + 1].mn});
}
node get(ll l, ll r, ll v = 1, ll tl = 1, ll tr = n) {
if (r < tl || tr < l) return {-1, -1, -1};
if (l <= tl && tr <= r) return t[v];
ll tm = (tl + tr) / 2;
node le = get(l, r, v + v, tl, tm), ri = get(l, r, v + v + 1, tm + 1, tr);
if (le.mx != -1 && ri.mn != -1 && le.mx > ri.mn) {
ll res = max({le.ans, ri.ans, le.mx + ri.mn});
if (res == le.ans) return le;
if (res == ri.ans) return ri;
return {res, max(le.mx, ri.mx), min(le.mn, ri.mn)};
}
if (le.mx != -1 && ri.mn == -1) {
return le;
}
if (le.mx == -1 && ri.mx == -1) {
return ri;
}
ll res = max({le.ans, ri.ans});
if (res == le.ans) return le;
return ri;
}
const void solve(/*Armashka*/) {
cin >> n >> m;
for (int i = 1; i <= n; ++ i) cin >> a[i];
build();
while (m -- ) {
ll l, r, k;
cin >> l >> r >> k;
if (get(l, r).ans <= k) cout << "1\n";
else cout << "0\n";
}
}
signed main() {
fast;
//freopen("divide.in", "r", stdin);
//freopen("divide.out", "w", stdout);
int tt = 1;
//cin >> tt;
while (tt --) {
solve();
}
}
/*
5 4 4
1 2
3 1
3 4
5 3
4 5 2 3
2 1 3 1
1 3 5
2 3 4 5
2 1 3 1
*/
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Incorrect |
1 ms |
324 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Incorrect |
1 ms |
324 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1286 ms |
62628 KB |
Output is correct |
| 2 |
Correct |
1357 ms |
70000 KB |
Output is correct |
| 3 |
Incorrect |
1414 ms |
69928 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
91 ms |
9240 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Incorrect |
1 ms |
324 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Incorrect |
1 ms |
324 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
