#include <iostream>
#include <vector>
#include <map>
#include <set>
#include <climits>
#include <cmath>
#include <cassert>
using namespace std;
struct Node {
int mx;
int mn;
int val;
Node () {
this->mx = INT_MIN, this->mn = INT_MAX, this->val = 0;
}
};
Node merge (Node left, Node right) {
Node ans = Node();
ans.mn = min(left.mn, right.mn);
ans.mx = max(left.mx, right.mx);
ans.val = max(left.val, right.val);
if (left.mx > right.mn) {
ans.val = max(ans.val, left.mx + right.mn);
}
return ans;
}
struct SegmentTree {
vector<Node> vec;
vector<int> nodes;
Node query (int dum, int tl, int tr, int l, int r) {
if (tl >= l && tr <= r) {
return vec[dum];
}
if (tl > r || tr < l) {
return {};
}
return merge(query(2 * dum + 1, tl, (tl + tr)/2,l, r), query(2 * dum + 2, (tl + tr)/2 + 1, tr, l, r));
}
int query (int l, int r) {
return query(0, 0, (int)vec.size()/2 - 1, l, r).val;
}
Node build (int dum, int tl, int tr) {
if (tl == tr) {
vec[dum] = Node();
vec[dum].mn = vec[dum].mx = this->nodes[tl];
return vec[dum];
}
vec[dum] = merge(build(2 * dum + 1, tl, (tl + tr)/2), build(2 * dum + 2, (tl + tr)/2 + 1, tr));
return vec[dum];
}
SegmentTree (vector<int> nodes) {
this->nodes = nodes;
int n = nodes.size();
n = (1 << (int)log2(n)) * 2;
vec.assign(2 * n, Node());
while (this->nodes.size() < vec.size()) {
this->nodes.push_back(0);
}
build(0, 0, (int)vec.size()/2 - 1);
}
};
int main () {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n, q;
cin >> n >> q;
vector<int> v(n);
for (int i = 0; i < n; i++) {
cin >> v[i];
}
SegmentTree st(v);
while (q--) {
int l, r, k;
cin >> l >> r >> k;
l--, r--;
cout << (st.query(l, r) <= k) << '\n';
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
456 KB |
Output is correct |
3 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
456 KB |
Output is correct |
3 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1322 ms |
62160 KB |
Output is correct |
2 |
Correct |
1234 ms |
62412 KB |
Output is correct |
3 |
Correct |
1264 ms |
63552 KB |
Output is correct |
4 |
Correct |
1305 ms |
63772 KB |
Output is correct |
5 |
Correct |
1323 ms |
62752 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
94 ms |
6804 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
456 KB |
Output is correct |
3 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
456 KB |
Output is correct |
3 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |