#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (l); --x)
typedef long long ll;
typedef std::pair<int, int> pii;
typedef std::pair<ll , ll > pll;
using namespace std;
const int N = 1'000'010;
struct node {
vector<int> srt;
int mxs;
} seg[N<<2];
int a[N];
int n;
void build(int i=0, int b=0, int e=n)
{
if (e-b == 1) {
seg[i].srt = {a[b]};
seg[i].mxs = 0;
return;
}
build(2*i+1, b, (b+e)/2);
build(2*i+2, (b+e)/2, e);
seg[i].mxs = max(seg[2*i+1].mxs, seg[2*i+2].mxs);
auto it = lower_bound(seg[2*i+2].srt.begin(), seg[2*i+2].srt.end(), seg[2*i+1].srt.back());
if (it != seg[2*i+2].srt.begin())
seg[i].mxs = max(seg[i].mxs, seg[2*i+1].srt.back() + *--it);
seg[i].srt.resize(e-b);
merge(seg[2*i+1].srt.begin(), seg[2*i+1].srt.end(), seg[2*i+2].srt.begin(), seg[2*i+2].srt.end(), seg[i].srt.begin());
}
pii get(int l, int r, int pre=0, int i=0, int b=0, int e=n)
{
if (l <= b && e <= r) {
int mxs = seg[i].mxs;
auto it = lower_bound(seg[i].srt.begin(), seg[i].srt.end(), pre);
if (it != seg[i].srt.begin())
mxs = max(mxs, pre + *--it);
int mx = max(pre, seg[i].srt.back());
return {mx, mxs};
}
if (r <= b || e <= l)
return {0, 0};
auto [pre2, ans1] = get(l, r, pre , 2*i+1, b, (b+e)/2);
auto [pre3, ans2] = get(l, r, pre2, 2*i+2, (b+e)/2, e);
return {pre3, max(ans1, ans2)};
}
int main()
{
cin.tie(0) -> sync_with_stdio(false);
int q;
cin >> n >> q;
Loop (i,0,n)
cin >> a[i];
build();
Loop (i,0,q) {
int l, r, k;
cin >> l >> r >> k;
--l;
//int mx=0, mxs=0;
//Loop (i,l,r) {
// if (a[i] >= mx)
// mx = a[i];
// else
// mxs = max(a[i]+mx, mxs);
//}
int x = get(l, r).second;
cout << (x <= k) << '\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
54 ms |
125540 KB |
Output is correct |
2 |
Correct |
55 ms |
125524 KB |
Output is correct |
3 |
Correct |
55 ms |
125516 KB |
Output is correct |
4 |
Correct |
54 ms |
125540 KB |
Output is correct |
5 |
Correct |
54 ms |
125576 KB |
Output is correct |
6 |
Correct |
55 ms |
125544 KB |
Output is correct |
7 |
Correct |
55 ms |
125564 KB |
Output is correct |
8 |
Correct |
55 ms |
125580 KB |
Output is correct |
9 |
Correct |
56 ms |
125552 KB |
Output is correct |
10 |
Correct |
54 ms |
125516 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
54 ms |
125540 KB |
Output is correct |
2 |
Correct |
55 ms |
125524 KB |
Output is correct |
3 |
Correct |
55 ms |
125516 KB |
Output is correct |
4 |
Correct |
54 ms |
125540 KB |
Output is correct |
5 |
Correct |
54 ms |
125576 KB |
Output is correct |
6 |
Correct |
55 ms |
125544 KB |
Output is correct |
7 |
Correct |
55 ms |
125564 KB |
Output is correct |
8 |
Correct |
55 ms |
125580 KB |
Output is correct |
9 |
Correct |
56 ms |
125552 KB |
Output is correct |
10 |
Correct |
54 ms |
125516 KB |
Output is correct |
11 |
Correct |
57 ms |
125644 KB |
Output is correct |
12 |
Correct |
59 ms |
125952 KB |
Output is correct |
13 |
Correct |
66 ms |
126056 KB |
Output is correct |
14 |
Correct |
59 ms |
126028 KB |
Output is correct |
15 |
Correct |
62 ms |
126000 KB |
Output is correct |
16 |
Correct |
60 ms |
126016 KB |
Output is correct |
17 |
Correct |
60 ms |
125956 KB |
Output is correct |
18 |
Correct |
58 ms |
126080 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3024 ms |
260880 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
220 ms |
137804 KB |
Output is correct |
2 |
Correct |
214 ms |
138280 KB |
Output is correct |
3 |
Correct |
206 ms |
138352 KB |
Output is correct |
4 |
Correct |
197 ms |
138344 KB |
Output is correct |
5 |
Correct |
206 ms |
138608 KB |
Output is correct |
6 |
Correct |
163 ms |
138300 KB |
Output is correct |
7 |
Correct |
163 ms |
138336 KB |
Output is correct |
8 |
Correct |
182 ms |
138468 KB |
Output is correct |
9 |
Correct |
96 ms |
126468 KB |
Output is correct |
10 |
Correct |
169 ms |
138420 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
54 ms |
125540 KB |
Output is correct |
2 |
Correct |
55 ms |
125524 KB |
Output is correct |
3 |
Correct |
55 ms |
125516 KB |
Output is correct |
4 |
Correct |
54 ms |
125540 KB |
Output is correct |
5 |
Correct |
54 ms |
125576 KB |
Output is correct |
6 |
Correct |
55 ms |
125544 KB |
Output is correct |
7 |
Correct |
55 ms |
125564 KB |
Output is correct |
8 |
Correct |
55 ms |
125580 KB |
Output is correct |
9 |
Correct |
56 ms |
125552 KB |
Output is correct |
10 |
Correct |
54 ms |
125516 KB |
Output is correct |
11 |
Correct |
57 ms |
125644 KB |
Output is correct |
12 |
Correct |
59 ms |
125952 KB |
Output is correct |
13 |
Correct |
66 ms |
126056 KB |
Output is correct |
14 |
Correct |
59 ms |
126028 KB |
Output is correct |
15 |
Correct |
62 ms |
126000 KB |
Output is correct |
16 |
Correct |
60 ms |
126016 KB |
Output is correct |
17 |
Correct |
60 ms |
125956 KB |
Output is correct |
18 |
Correct |
58 ms |
126080 KB |
Output is correct |
19 |
Correct |
506 ms |
151692 KB |
Output is correct |
20 |
Correct |
464 ms |
151276 KB |
Output is correct |
21 |
Correct |
369 ms |
151208 KB |
Output is correct |
22 |
Correct |
380 ms |
151188 KB |
Output is correct |
23 |
Correct |
376 ms |
151184 KB |
Output is correct |
24 |
Correct |
313 ms |
151308 KB |
Output is correct |
25 |
Correct |
301 ms |
151244 KB |
Output is correct |
26 |
Correct |
379 ms |
151416 KB |
Output is correct |
27 |
Correct |
403 ms |
151168 KB |
Output is correct |
28 |
Correct |
400 ms |
151328 KB |
Output is correct |
29 |
Correct |
407 ms |
151284 KB |
Output is correct |
30 |
Correct |
420 ms |
151212 KB |
Output is correct |
31 |
Correct |
407 ms |
151244 KB |
Output is correct |
32 |
Correct |
440 ms |
151236 KB |
Output is correct |
33 |
Correct |
406 ms |
151372 KB |
Output is correct |
34 |
Correct |
303 ms |
151164 KB |
Output is correct |
35 |
Correct |
293 ms |
151208 KB |
Output is correct |
36 |
Correct |
355 ms |
151204 KB |
Output is correct |
37 |
Correct |
292 ms |
151372 KB |
Output is correct |
38 |
Correct |
295 ms |
151280 KB |
Output is correct |
39 |
Correct |
368 ms |
151344 KB |
Output is correct |
40 |
Correct |
266 ms |
142540 KB |
Output is correct |
41 |
Correct |
330 ms |
151100 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
54 ms |
125540 KB |
Output is correct |
2 |
Correct |
55 ms |
125524 KB |
Output is correct |
3 |
Correct |
55 ms |
125516 KB |
Output is correct |
4 |
Correct |
54 ms |
125540 KB |
Output is correct |
5 |
Correct |
54 ms |
125576 KB |
Output is correct |
6 |
Correct |
55 ms |
125544 KB |
Output is correct |
7 |
Correct |
55 ms |
125564 KB |
Output is correct |
8 |
Correct |
55 ms |
125580 KB |
Output is correct |
9 |
Correct |
56 ms |
125552 KB |
Output is correct |
10 |
Correct |
54 ms |
125516 KB |
Output is correct |
11 |
Correct |
57 ms |
125644 KB |
Output is correct |
12 |
Correct |
59 ms |
125952 KB |
Output is correct |
13 |
Correct |
66 ms |
126056 KB |
Output is correct |
14 |
Correct |
59 ms |
126028 KB |
Output is correct |
15 |
Correct |
62 ms |
126000 KB |
Output is correct |
16 |
Correct |
60 ms |
126016 KB |
Output is correct |
17 |
Correct |
60 ms |
125956 KB |
Output is correct |
18 |
Correct |
58 ms |
126080 KB |
Output is correct |
19 |
Execution timed out |
3024 ms |
260880 KB |
Time limit exceeded |
20 |
Halted |
0 ms |
0 KB |
- |