#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define sz(v) (int)(v).size()
#define all(v) (v).begin(), v.end()
int mx;
vector<int> a, st, vis;
vector<vector<int>> v;
void bld(int nd, int l, int r) {
if (l == r) {
vis[nd] = 0; st[nd] = a[l]; v[nd] = {a[l]};
return;
}
int ch = (nd << 1) + 1, md = l + r >> 1;
bld(ch, l, md); bld(ch + 1, md + 1, r);
st[nd] = max(st[ch], st[ch + 1]);
v[nd].assign(sz(v[ch]) + sz(v[ch + 1]), 0);
merge(all(v[ch]), all(v[ch + 1]), v[nd].begin());
int mx = 0;
for (int i = l; i <= r; i++) {
if (mx > a[i]) vis[nd] = max(vis[nd], mx + a[i]);
else mx = a[i];
}
}
bool fnd(int nd, int l, int r, int x, int y, int k) {
if (r < x || y < l) return true;
if (x <= l && r <= y) {
bool tr = (max(vis[nd], (mx > v[nd][0] ? mx + *--lower_bound(all(v[nd]), mx) : 0)) <= k);
mx = max(mx, st[nd]);
return tr;
}
int ch = (nd << 1) + 1, md = l + r >> 1;
return (!fnd(ch, l, md, x, y, k) || !fnd(ch + 1, md + 1, r, x, y, k) ? false : true);
}
int main() {
ios::sync_with_stdio(false); cin.tie(nullptr);
int n, q;
cin >> n >> q;
a.assign(n, 0);
for (auto &i : a)
cin >> i;
v.assign(n << 2, {});
st = vis = vector<int>(n << 2);
bld(0, 0, n - 1);
while (q--) {
int l, r, k;
cin >> l >> r >> k; l--; r--;
mx = 0;
cout << fnd(0, 0, n - 1, l, r, k) << endl;
}
}
Compilation message
sortbooks.cpp: In function 'void bld(int, int, int)':
sortbooks.cpp:21:33: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
21 | int ch = (nd << 1) + 1, md = l + r >> 1;
| ~~^~~
sortbooks.cpp: In function 'bool fnd(int, int, int, int, int, int)':
sortbooks.cpp:45:33: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
45 | int ch = (nd << 1) + 1, md = l + r >> 1;
| ~~^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
464 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 |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
2 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
464 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 |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
2 ms |
348 KB |
Output is correct |
11 |
Correct |
5 ms |
860 KB |
Output is correct |
12 |
Correct |
6 ms |
1628 KB |
Output is correct |
13 |
Correct |
7 ms |
1624 KB |
Output is correct |
14 |
Correct |
10 ms |
1628 KB |
Output is correct |
15 |
Correct |
10 ms |
1624 KB |
Output is correct |
16 |
Correct |
15 ms |
1628 KB |
Output is correct |
17 |
Correct |
9 ms |
1628 KB |
Output is correct |
18 |
Correct |
8 ms |
1628 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2025 ms |
262144 KB |
Output is correct |
2 |
Correct |
1984 ms |
262144 KB |
Output is correct |
3 |
Correct |
2083 ms |
262144 KB |
Output is correct |
4 |
Correct |
2037 ms |
262144 KB |
Output is correct |
5 |
Correct |
2426 ms |
262144 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
202 ms |
26960 KB |
Output is correct |
2 |
Correct |
209 ms |
26760 KB |
Output is correct |
3 |
Correct |
194 ms |
26940 KB |
Output is correct |
4 |
Correct |
203 ms |
27016 KB |
Output is correct |
5 |
Correct |
184 ms |
26784 KB |
Output is correct |
6 |
Correct |
153 ms |
26692 KB |
Output is correct |
7 |
Correct |
169 ms |
26708 KB |
Output is correct |
8 |
Correct |
156 ms |
26540 KB |
Output is correct |
9 |
Correct |
118 ms |
1984 KB |
Output is correct |
10 |
Correct |
163 ms |
26704 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
464 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 |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
2 ms |
348 KB |
Output is correct |
11 |
Correct |
5 ms |
860 KB |
Output is correct |
12 |
Correct |
6 ms |
1628 KB |
Output is correct |
13 |
Correct |
7 ms |
1624 KB |
Output is correct |
14 |
Correct |
10 ms |
1628 KB |
Output is correct |
15 |
Correct |
10 ms |
1624 KB |
Output is correct |
16 |
Correct |
15 ms |
1628 KB |
Output is correct |
17 |
Correct |
9 ms |
1628 KB |
Output is correct |
18 |
Correct |
8 ms |
1628 KB |
Output is correct |
19 |
Correct |
407 ms |
56856 KB |
Output is correct |
20 |
Correct |
403 ms |
57040 KB |
Output is correct |
21 |
Correct |
367 ms |
56660 KB |
Output is correct |
22 |
Correct |
409 ms |
56912 KB |
Output is correct |
23 |
Correct |
386 ms |
56660 KB |
Output is correct |
24 |
Correct |
371 ms |
56148 KB |
Output is correct |
25 |
Correct |
354 ms |
56144 KB |
Output is correct |
26 |
Correct |
419 ms |
56404 KB |
Output is correct |
27 |
Correct |
396 ms |
56404 KB |
Output is correct |
28 |
Correct |
408 ms |
56404 KB |
Output is correct |
29 |
Correct |
400 ms |
56404 KB |
Output is correct |
30 |
Correct |
402 ms |
56404 KB |
Output is correct |
31 |
Correct |
417 ms |
56884 KB |
Output is correct |
32 |
Correct |
401 ms |
56636 KB |
Output is correct |
33 |
Correct |
426 ms |
56656 KB |
Output is correct |
34 |
Correct |
348 ms |
56144 KB |
Output is correct |
35 |
Correct |
342 ms |
56284 KB |
Output is correct |
36 |
Correct |
334 ms |
56144 KB |
Output is correct |
37 |
Correct |
344 ms |
56000 KB |
Output is correct |
38 |
Correct |
339 ms |
56400 KB |
Output is correct |
39 |
Correct |
380 ms |
55120 KB |
Output is correct |
40 |
Correct |
314 ms |
37160 KB |
Output is correct |
41 |
Correct |
337 ms |
54356 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
464 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 |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
2 ms |
348 KB |
Output is correct |
11 |
Correct |
5 ms |
860 KB |
Output is correct |
12 |
Correct |
6 ms |
1628 KB |
Output is correct |
13 |
Correct |
7 ms |
1624 KB |
Output is correct |
14 |
Correct |
10 ms |
1628 KB |
Output is correct |
15 |
Correct |
10 ms |
1624 KB |
Output is correct |
16 |
Correct |
15 ms |
1628 KB |
Output is correct |
17 |
Correct |
9 ms |
1628 KB |
Output is correct |
18 |
Correct |
8 ms |
1628 KB |
Output is correct |
19 |
Correct |
2025 ms |
262144 KB |
Output is correct |
20 |
Correct |
1984 ms |
262144 KB |
Output is correct |
21 |
Correct |
2083 ms |
262144 KB |
Output is correct |
22 |
Correct |
2037 ms |
262144 KB |
Output is correct |
23 |
Correct |
2426 ms |
262144 KB |
Output is correct |
24 |
Correct |
202 ms |
26960 KB |
Output is correct |
25 |
Correct |
209 ms |
26760 KB |
Output is correct |
26 |
Correct |
194 ms |
26940 KB |
Output is correct |
27 |
Correct |
203 ms |
27016 KB |
Output is correct |
28 |
Correct |
184 ms |
26784 KB |
Output is correct |
29 |
Correct |
153 ms |
26692 KB |
Output is correct |
30 |
Correct |
169 ms |
26708 KB |
Output is correct |
31 |
Correct |
156 ms |
26540 KB |
Output is correct |
32 |
Correct |
118 ms |
1984 KB |
Output is correct |
33 |
Correct |
163 ms |
26704 KB |
Output is correct |
34 |
Correct |
407 ms |
56856 KB |
Output is correct |
35 |
Correct |
403 ms |
57040 KB |
Output is correct |
36 |
Correct |
367 ms |
56660 KB |
Output is correct |
37 |
Correct |
409 ms |
56912 KB |
Output is correct |
38 |
Correct |
386 ms |
56660 KB |
Output is correct |
39 |
Correct |
371 ms |
56148 KB |
Output is correct |
40 |
Correct |
354 ms |
56144 KB |
Output is correct |
41 |
Correct |
419 ms |
56404 KB |
Output is correct |
42 |
Correct |
396 ms |
56404 KB |
Output is correct |
43 |
Correct |
408 ms |
56404 KB |
Output is correct |
44 |
Correct |
400 ms |
56404 KB |
Output is correct |
45 |
Correct |
402 ms |
56404 KB |
Output is correct |
46 |
Correct |
417 ms |
56884 KB |
Output is correct |
47 |
Correct |
401 ms |
56636 KB |
Output is correct |
48 |
Correct |
426 ms |
56656 KB |
Output is correct |
49 |
Correct |
348 ms |
56144 KB |
Output is correct |
50 |
Correct |
342 ms |
56284 KB |
Output is correct |
51 |
Correct |
334 ms |
56144 KB |
Output is correct |
52 |
Correct |
344 ms |
56000 KB |
Output is correct |
53 |
Correct |
339 ms |
56400 KB |
Output is correct |
54 |
Correct |
380 ms |
55120 KB |
Output is correct |
55 |
Correct |
314 ms |
37160 KB |
Output is correct |
56 |
Correct |
337 ms |
54356 KB |
Output is correct |
57 |
Correct |
2265 ms |
262144 KB |
Output is correct |
58 |
Correct |
2354 ms |
262144 KB |
Output is correct |
59 |
Correct |
2354 ms |
262144 KB |
Output is correct |
60 |
Correct |
2282 ms |
262144 KB |
Output is correct |
61 |
Correct |
2341 ms |
262144 KB |
Output is correct |
62 |
Correct |
2409 ms |
262144 KB |
Output is correct |
63 |
Runtime error |
1894 ms |
262148 KB |
Memory limit exceeded |
64 |
Halted |
0 ms |
0 KB |
- |