#include <iostream>
#include <vector>
#include <map>
#include <set>
#include <climits>
#include <cmath>
#include <cassert>
#include <algorithm>
using namespace std;
struct Node {
int mx;
int mn;
int val;
vector<int> v;
Node (int mn, int mx) {
this->mx = mx, this->mn = mn, this->val = 0;
}
};
struct SegmentTree {
vector<Node> vec;
vector<int> nodes;
Node merge (Node &left, Node &right) {
Node ans = {min(left.mn, right.mn), max(left.mx, right.mx)};
ans.val = max(left.val, right.val);
if (right.mx < left.mx) {
ans.val = max(ans.val, left.mx + right.mx);
} else if (right.mn < left.mx) {
ans.val = max(ans.val, *(--lower_bound(right.v.begin(), right.v.end(), left.mx)) + left.mx);
}
return ans;
}
vector<int> intervals;
void query (int dum, int tl, int tr, int l, int r) {
if (tl >= l && tr <= r) {
intervals.push_back(dum);
} else if (tl <= r && tr >= l) {
query(2 * dum, tl, (tl + tr)/2,l, r), query(2 * dum + 1, (tl + tr)/2 + 1, tr, l, r);
}
}
int query (int l, int r) {
intervals.clear();
query(1, 0, (int)vec.size()/2 - 1, l, r);
Node ans = vec[intervals[0]];
for (int i = 1; i < intervals.size(); i++) {
ans = merge(ans, vec[intervals[i]]);
}
return ans.val;
}
void build (int dum, int tl, int tr) {
if (tl == tr) {
vec[dum] = Node(nodes[tl], nodes[tl]);
vec[dum].v = {nodes[tl]};
} else {
build(2 * dum, tl, (tl + tr)/2), build(2 * dum + 1, (tl + tr)/2 + 1, tr);
vec[dum] = merge(vec[2 * dum], vec[2 * dum + 1]);
std::merge(vec[2 * dum].v.begin(), vec[2 * dum].v.end(),
vec[2 * dum + 1].v.begin(), vec[2 * dum + 1].v.end(),
std::back_inserter(vec[dum].v));
}
}
SegmentTree (vector<int> nodes) {
this->nodes = nodes;
int n = nodes.size();
n = (1 << (int)log2(n)) * 2;
vec.assign(2 * n, Node(INT_MAX, -INT_MAX));
this->nodes.reserve(vec.size());
while (this->nodes.size() < vec.size()) {
this->nodes.push_back((int)1e9);
}
build( 1, 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';
}
}
Compilation message
sortbooks.cpp: In member function 'int SegmentTree::query(int, int)':
sortbooks.cpp:44:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
44 | for (int i = 1; i < intervals.size(); i++) {
| ~~^~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
3 ms |
856 KB |
Output is correct |
12 |
Correct |
5 ms |
2140 KB |
Output is correct |
13 |
Correct |
5 ms |
2140 KB |
Output is correct |
14 |
Correct |
6 ms |
2240 KB |
Output is correct |
15 |
Correct |
6 ms |
2200 KB |
Output is correct |
16 |
Correct |
5 ms |
2140 KB |
Output is correct |
17 |
Correct |
5 ms |
2180 KB |
Output is correct |
18 |
Correct |
6 ms |
2008 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2021 ms |
238036 KB |
Output is correct |
2 |
Correct |
1984 ms |
238180 KB |
Output is correct |
3 |
Correct |
2047 ms |
238232 KB |
Output is correct |
4 |
Correct |
2036 ms |
237972 KB |
Output is correct |
5 |
Correct |
1373 ms |
238048 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
145 ms |
28360 KB |
Output is correct |
2 |
Correct |
133 ms |
28364 KB |
Output is correct |
3 |
Correct |
110 ms |
28372 KB |
Output is correct |
4 |
Correct |
104 ms |
28360 KB |
Output is correct |
5 |
Correct |
110 ms |
28372 KB |
Output is correct |
6 |
Correct |
90 ms |
28360 KB |
Output is correct |
7 |
Correct |
89 ms |
28360 KB |
Output is correct |
8 |
Correct |
309 ms |
28372 KB |
Output is correct |
9 |
Correct |
39 ms |
604 KB |
Output is correct |
10 |
Correct |
310 ms |
28344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
3 ms |
856 KB |
Output is correct |
12 |
Correct |
5 ms |
2140 KB |
Output is correct |
13 |
Correct |
5 ms |
2140 KB |
Output is correct |
14 |
Correct |
6 ms |
2240 KB |
Output is correct |
15 |
Correct |
6 ms |
2200 KB |
Output is correct |
16 |
Correct |
5 ms |
2140 KB |
Output is correct |
17 |
Correct |
5 ms |
2180 KB |
Output is correct |
18 |
Correct |
6 ms |
2008 KB |
Output is correct |
19 |
Correct |
342 ms |
57236 KB |
Output is correct |
20 |
Correct |
332 ms |
57384 KB |
Output is correct |
21 |
Correct |
270 ms |
57412 KB |
Output is correct |
22 |
Correct |
264 ms |
57408 KB |
Output is correct |
23 |
Correct |
279 ms |
57324 KB |
Output is correct |
24 |
Correct |
202 ms |
57548 KB |
Output is correct |
25 |
Correct |
203 ms |
57412 KB |
Output is correct |
26 |
Correct |
233 ms |
57412 KB |
Output is correct |
27 |
Correct |
229 ms |
57408 KB |
Output is correct |
28 |
Correct |
246 ms |
57408 KB |
Output is correct |
29 |
Correct |
259 ms |
57408 KB |
Output is correct |
30 |
Correct |
246 ms |
57408 KB |
Output is correct |
31 |
Correct |
267 ms |
57276 KB |
Output is correct |
32 |
Correct |
244 ms |
57284 KB |
Output is correct |
33 |
Correct |
261 ms |
57408 KB |
Output is correct |
34 |
Correct |
196 ms |
57408 KB |
Output is correct |
35 |
Correct |
197 ms |
57332 KB |
Output is correct |
36 |
Correct |
199 ms |
57248 KB |
Output is correct |
37 |
Correct |
202 ms |
57264 KB |
Output is correct |
38 |
Correct |
197 ms |
57412 KB |
Output is correct |
39 |
Correct |
895 ms |
57456 KB |
Output is correct |
40 |
Correct |
1547 ms |
57100 KB |
Output is correct |
41 |
Correct |
1143 ms |
57412 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
3 ms |
856 KB |
Output is correct |
12 |
Correct |
5 ms |
2140 KB |
Output is correct |
13 |
Correct |
5 ms |
2140 KB |
Output is correct |
14 |
Correct |
6 ms |
2240 KB |
Output is correct |
15 |
Correct |
6 ms |
2200 KB |
Output is correct |
16 |
Correct |
5 ms |
2140 KB |
Output is correct |
17 |
Correct |
5 ms |
2180 KB |
Output is correct |
18 |
Correct |
6 ms |
2008 KB |
Output is correct |
19 |
Correct |
2021 ms |
238036 KB |
Output is correct |
20 |
Correct |
1984 ms |
238180 KB |
Output is correct |
21 |
Correct |
2047 ms |
238232 KB |
Output is correct |
22 |
Correct |
2036 ms |
237972 KB |
Output is correct |
23 |
Correct |
1373 ms |
238048 KB |
Output is correct |
24 |
Correct |
145 ms |
28360 KB |
Output is correct |
25 |
Correct |
133 ms |
28364 KB |
Output is correct |
26 |
Correct |
110 ms |
28372 KB |
Output is correct |
27 |
Correct |
104 ms |
28360 KB |
Output is correct |
28 |
Correct |
110 ms |
28372 KB |
Output is correct |
29 |
Correct |
90 ms |
28360 KB |
Output is correct |
30 |
Correct |
89 ms |
28360 KB |
Output is correct |
31 |
Correct |
309 ms |
28372 KB |
Output is correct |
32 |
Correct |
39 ms |
604 KB |
Output is correct |
33 |
Correct |
310 ms |
28344 KB |
Output is correct |
34 |
Correct |
342 ms |
57236 KB |
Output is correct |
35 |
Correct |
332 ms |
57384 KB |
Output is correct |
36 |
Correct |
270 ms |
57412 KB |
Output is correct |
37 |
Correct |
264 ms |
57408 KB |
Output is correct |
38 |
Correct |
279 ms |
57324 KB |
Output is correct |
39 |
Correct |
202 ms |
57548 KB |
Output is correct |
40 |
Correct |
203 ms |
57412 KB |
Output is correct |
41 |
Correct |
233 ms |
57412 KB |
Output is correct |
42 |
Correct |
229 ms |
57408 KB |
Output is correct |
43 |
Correct |
246 ms |
57408 KB |
Output is correct |
44 |
Correct |
259 ms |
57408 KB |
Output is correct |
45 |
Correct |
246 ms |
57408 KB |
Output is correct |
46 |
Correct |
267 ms |
57276 KB |
Output is correct |
47 |
Correct |
244 ms |
57284 KB |
Output is correct |
48 |
Correct |
261 ms |
57408 KB |
Output is correct |
49 |
Correct |
196 ms |
57408 KB |
Output is correct |
50 |
Correct |
197 ms |
57332 KB |
Output is correct |
51 |
Correct |
199 ms |
57248 KB |
Output is correct |
52 |
Correct |
202 ms |
57264 KB |
Output is correct |
53 |
Correct |
197 ms |
57412 KB |
Output is correct |
54 |
Correct |
895 ms |
57456 KB |
Output is correct |
55 |
Correct |
1547 ms |
57100 KB |
Output is correct |
56 |
Correct |
1143 ms |
57412 KB |
Output is correct |
57 |
Correct |
2013 ms |
238092 KB |
Output is correct |
58 |
Correct |
1994 ms |
238096 KB |
Output is correct |
59 |
Correct |
1955 ms |
238072 KB |
Output is correct |
60 |
Correct |
1903 ms |
238092 KB |
Output is correct |
61 |
Correct |
1953 ms |
237892 KB |
Output is correct |
62 |
Correct |
2041 ms |
238092 KB |
Output is correct |
63 |
Correct |
1002 ms |
238096 KB |
Output is correct |
64 |
Correct |
1016 ms |
238024 KB |
Output is correct |
65 |
Correct |
1356 ms |
238124 KB |
Output is correct |
66 |
Correct |
1358 ms |
238092 KB |
Output is correct |
67 |
Correct |
1363 ms |
238092 KB |
Output is correct |
68 |
Correct |
1364 ms |
238108 KB |
Output is correct |
69 |
Correct |
1358 ms |
238120 KB |
Output is correct |
70 |
Correct |
1429 ms |
238236 KB |
Output is correct |
71 |
Correct |
1365 ms |
237980 KB |
Output is correct |
72 |
Correct |
1365 ms |
238012 KB |
Output is correct |
73 |
Correct |
1004 ms |
238072 KB |
Output is correct |
74 |
Correct |
1018 ms |
238008 KB |
Output is correct |
75 |
Correct |
1002 ms |
238096 KB |
Output is correct |
76 |
Correct |
1008 ms |
238096 KB |
Output is correct |
77 |
Correct |
1031 ms |
238096 KB |
Output is correct |
78 |
Execution timed out |
3067 ms |
238016 KB |
Time limit exceeded |
79 |
Halted |
0 ms |
0 KB |
- |