#include <bits/stdc++.h>
using namespace std;
bool ans[1000001];
int n, m, a[1000001], t[4000001];
vector < int > inv[1000001];
stack < int > s;
vector < pair < pair < int, int >, pair < int, int > > > q;
void upd(int v, int tl, int tr, int pos, int val){
if(tl == tr){
t[v] = max(t[v], val);
return;
}
int mid = (tl + tr) / 2;
if(mid >= pos){
upd(v + v, tl, mid, pos, val);
}
else{
upd(v + 1 + v, mid + 1, tr, pos, val);
}
t[v] = max(t[v + v], t[v + 1 + v]);
}
int get(int v, int tl, int tr, int l, int r){
if(l > r){
return 0;
}
if(l == tl && tr == r){
return t[v];
}
int mid = (tl + tr) / 2;
return max(get(v + v, tl, mid, l, min(r, mid)), get(v + 1 + v, mid + 1, tr, max(l, mid + 1), r));
}
int main(){
cin >> n >> m;
for(int i = 1; i <= n; i++){
cin >> a[i];
}
for(int i = n; i >= 1; i--){
while(!s.empty() && a[s.top()] < a[i]){
inv[i].push_back(s.top());
s.pop();
}
s.push(i);
}
for(int i = 1; i <= m; i++){
int l, r, k;
cin >> l >> r >> k;
q.push_back({{l, r}, {k, i}});
}
sort(q.begin(), q.end());
reverse(q.begin(), q.end());
int l = n;
for(int i = 0; i < m; i++){
while(q[i].first.first <= l){
for(auto to : inv[l]){
upd(1, 1, n, to, a[to] + a[l]);
}
l--;
}
ans[q[i].second.second] = (get(1, 1, n, 1, q[i].first.second) <= q[i].second.first);
}
for(int i = 1; i <= m; i++){
cout << ans[i] << '\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
23800 KB |
Output is correct |
2 |
Correct |
23 ms |
23800 KB |
Output is correct |
3 |
Correct |
24 ms |
23928 KB |
Output is correct |
4 |
Correct |
23 ms |
23800 KB |
Output is correct |
5 |
Correct |
23 ms |
23804 KB |
Output is correct |
6 |
Correct |
25 ms |
23800 KB |
Output is correct |
7 |
Correct |
25 ms |
23928 KB |
Output is correct |
8 |
Correct |
24 ms |
23800 KB |
Output is correct |
9 |
Correct |
24 ms |
23800 KB |
Output is correct |
10 |
Correct |
24 ms |
23916 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
23800 KB |
Output is correct |
2 |
Correct |
23 ms |
23800 KB |
Output is correct |
3 |
Correct |
24 ms |
23928 KB |
Output is correct |
4 |
Correct |
23 ms |
23800 KB |
Output is correct |
5 |
Correct |
23 ms |
23804 KB |
Output is correct |
6 |
Correct |
25 ms |
23800 KB |
Output is correct |
7 |
Correct |
25 ms |
23928 KB |
Output is correct |
8 |
Correct |
24 ms |
23800 KB |
Output is correct |
9 |
Correct |
24 ms |
23800 KB |
Output is correct |
10 |
Correct |
24 ms |
23916 KB |
Output is correct |
11 |
Correct |
30 ms |
24056 KB |
Output is correct |
12 |
Correct |
33 ms |
24184 KB |
Output is correct |
13 |
Correct |
34 ms |
24184 KB |
Output is correct |
14 |
Correct |
39 ms |
24312 KB |
Output is correct |
15 |
Correct |
38 ms |
24316 KB |
Output is correct |
16 |
Correct |
35 ms |
24260 KB |
Output is correct |
17 |
Correct |
33 ms |
24184 KB |
Output is correct |
18 |
Correct |
33 ms |
24312 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3041 ms |
69760 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
266 ms |
29540 KB |
Output is correct |
2 |
Correct |
267 ms |
29668 KB |
Output is correct |
3 |
Correct |
249 ms |
27496 KB |
Output is correct |
4 |
Correct |
241 ms |
27644 KB |
Output is correct |
5 |
Correct |
243 ms |
27500 KB |
Output is correct |
6 |
Correct |
232 ms |
27468 KB |
Output is correct |
7 |
Correct |
239 ms |
27496 KB |
Output is correct |
8 |
Correct |
228 ms |
28268 KB |
Output is correct |
9 |
Correct |
278 ms |
26780 KB |
Output is correct |
10 |
Correct |
234 ms |
28364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
23800 KB |
Output is correct |
2 |
Correct |
23 ms |
23800 KB |
Output is correct |
3 |
Correct |
24 ms |
23928 KB |
Output is correct |
4 |
Correct |
23 ms |
23800 KB |
Output is correct |
5 |
Correct |
23 ms |
23804 KB |
Output is correct |
6 |
Correct |
25 ms |
23800 KB |
Output is correct |
7 |
Correct |
25 ms |
23928 KB |
Output is correct |
8 |
Correct |
24 ms |
23800 KB |
Output is correct |
9 |
Correct |
24 ms |
23800 KB |
Output is correct |
10 |
Correct |
24 ms |
23916 KB |
Output is correct |
11 |
Correct |
30 ms |
24056 KB |
Output is correct |
12 |
Correct |
33 ms |
24184 KB |
Output is correct |
13 |
Correct |
34 ms |
24184 KB |
Output is correct |
14 |
Correct |
39 ms |
24312 KB |
Output is correct |
15 |
Correct |
38 ms |
24316 KB |
Output is correct |
16 |
Correct |
35 ms |
24260 KB |
Output is correct |
17 |
Correct |
33 ms |
24184 KB |
Output is correct |
18 |
Correct |
33 ms |
24312 KB |
Output is correct |
19 |
Correct |
675 ms |
37292 KB |
Output is correct |
20 |
Correct |
679 ms |
36184 KB |
Output is correct |
21 |
Correct |
667 ms |
38084 KB |
Output is correct |
22 |
Correct |
670 ms |
37712 KB |
Output is correct |
23 |
Correct |
663 ms |
38340 KB |
Output is correct |
24 |
Correct |
605 ms |
33764 KB |
Output is correct |
25 |
Correct |
606 ms |
33692 KB |
Output is correct |
26 |
Correct |
635 ms |
34032 KB |
Output is correct |
27 |
Correct |
621 ms |
33808 KB |
Output is correct |
28 |
Correct |
621 ms |
34000 KB |
Output is correct |
29 |
Correct |
623 ms |
34644 KB |
Output is correct |
30 |
Correct |
625 ms |
35804 KB |
Output is correct |
31 |
Correct |
624 ms |
35988 KB |
Output is correct |
32 |
Correct |
625 ms |
35944 KB |
Output is correct |
33 |
Correct |
623 ms |
35884 KB |
Output is correct |
34 |
Correct |
605 ms |
35624 KB |
Output is correct |
35 |
Correct |
602 ms |
35564 KB |
Output is correct |
36 |
Correct |
587 ms |
35316 KB |
Output is correct |
37 |
Correct |
590 ms |
35320 KB |
Output is correct |
38 |
Correct |
597 ms |
35556 KB |
Output is correct |
39 |
Correct |
566 ms |
36024 KB |
Output is correct |
40 |
Correct |
467 ms |
33504 KB |
Output is correct |
41 |
Correct |
518 ms |
35256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
23800 KB |
Output is correct |
2 |
Correct |
23 ms |
23800 KB |
Output is correct |
3 |
Correct |
24 ms |
23928 KB |
Output is correct |
4 |
Correct |
23 ms |
23800 KB |
Output is correct |
5 |
Correct |
23 ms |
23804 KB |
Output is correct |
6 |
Correct |
25 ms |
23800 KB |
Output is correct |
7 |
Correct |
25 ms |
23928 KB |
Output is correct |
8 |
Correct |
24 ms |
23800 KB |
Output is correct |
9 |
Correct |
24 ms |
23800 KB |
Output is correct |
10 |
Correct |
24 ms |
23916 KB |
Output is correct |
11 |
Correct |
30 ms |
24056 KB |
Output is correct |
12 |
Correct |
33 ms |
24184 KB |
Output is correct |
13 |
Correct |
34 ms |
24184 KB |
Output is correct |
14 |
Correct |
39 ms |
24312 KB |
Output is correct |
15 |
Correct |
38 ms |
24316 KB |
Output is correct |
16 |
Correct |
35 ms |
24260 KB |
Output is correct |
17 |
Correct |
33 ms |
24184 KB |
Output is correct |
18 |
Correct |
33 ms |
24312 KB |
Output is correct |
19 |
Execution timed out |
3041 ms |
69760 KB |
Time limit exceeded |
20 |
Halted |
0 ms |
0 KB |
- |