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 file ""
#define mp make_pair
#define fi first
#define se second
#define all(x) x.begin(), x.end()
#define getbit(x, i) (((x) >> (i)) & 1)
#define bit(x) (1LL << (x))
#define popcount __builtin_popcountll
mt19937_64 rd(chrono::steady_clock::now().time_since_epoch().count());
int rand(int l, int r) {
return l + rd() % (r - l + 1);
}
const int N = 1e6 + 5;
const int mod = (int)1e9 + 7; // 998244353;
const int lg = 25; // lg + 1
const int oo = 1e9;
const long long ooo = 1e18;
template<class X, class Y> bool mini(X &a, Y b) {
return a > b ? (a = b, true) : false;
}
template<class X, class Y> bool maxi(X &a, Y b) {
return a < b ? (a = b, true) : false;
}
void add(int &a, int b) {
a += b;
if (a >= mod) a -= mod;
if (a < 0) a += mod;
}
int n, q;
int a[N];
vector<tuple<int, int, int> > query[N];
int lpos[N];
int res[N];
int bit[N];
void update(int u, int c) {
for (; u > 0; u -= u &(-u)) maxi(bit[u], c);
}
int get(int u) {
int res = 0;
for (; u <= n; u += u & (-u)) maxi(res, bit[u]);
return res;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
// freopen(file".inp", "r", stdin);
// freopen(file".out", "w", stdout);
cin >> n >> q;
for (int i = 1; i <= n; ++i)
cin >> a[i];
for (int i = 1; i <= q; ++i) {
int l, r, c;
cin >> l >> r >> c;
query[r].emplace_back(l, c, i);
}
stack<int> st;
for (int i = 1; i <= n; ++i) {
while (st.size() && a[i] >= a[st.top()]) st.pop();
lpos[i] = st.size() ? st.top() : 0;
st.push(i);
}
for (int i = 1; i <= n; ++i) {
if (lpos[i]) {
update(lpos[i], a[lpos[i]] + a[i]);
}
for (auto [l, c, id] : query[i]) {
res[id] = get(l) <= c;
}
}
for (int i = 1; i <= q; ++i) {
cout << res[i] << ' ';
}
return 0;
}
/*
*/
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |