#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(){
ios_base :: sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
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 |
23928 KB |
Output is correct |
5 |
Correct |
23 ms |
23800 KB |
Output is correct |
6 |
Correct |
23 ms |
23928 KB |
Output is correct |
7 |
Correct |
24 ms |
23932 KB |
Output is correct |
8 |
Correct |
23 ms |
23928 KB |
Output is correct |
9 |
Correct |
24 ms |
23928 KB |
Output is correct |
10 |
Correct |
23 ms |
23800 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 |
23928 KB |
Output is correct |
5 |
Correct |
23 ms |
23800 KB |
Output is correct |
6 |
Correct |
23 ms |
23928 KB |
Output is correct |
7 |
Correct |
24 ms |
23932 KB |
Output is correct |
8 |
Correct |
23 ms |
23928 KB |
Output is correct |
9 |
Correct |
24 ms |
23928 KB |
Output is correct |
10 |
Correct |
23 ms |
23800 KB |
Output is correct |
11 |
Correct |
25 ms |
24056 KB |
Output is correct |
12 |
Correct |
26 ms |
24184 KB |
Output is correct |
13 |
Correct |
27 ms |
24312 KB |
Output is correct |
14 |
Correct |
28 ms |
24312 KB |
Output is correct |
15 |
Correct |
28 ms |
24352 KB |
Output is correct |
16 |
Correct |
28 ms |
24312 KB |
Output is correct |
17 |
Correct |
26 ms |
24256 KB |
Output is correct |
18 |
Correct |
27 ms |
24312 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1392 ms |
73068 KB |
Output is correct |
2 |
Correct |
1395 ms |
102624 KB |
Output is correct |
3 |
Correct |
1384 ms |
102780 KB |
Output is correct |
4 |
Correct |
1377 ms |
103220 KB |
Output is correct |
5 |
Correct |
1030 ms |
83620 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
129 ms |
29564 KB |
Output is correct |
2 |
Correct |
126 ms |
29540 KB |
Output is correct |
3 |
Correct |
103 ms |
27500 KB |
Output is correct |
4 |
Correct |
104 ms |
27484 KB |
Output is correct |
5 |
Correct |
103 ms |
27500 KB |
Output is correct |
6 |
Correct |
101 ms |
27428 KB |
Output is correct |
7 |
Correct |
101 ms |
27500 KB |
Output is correct |
8 |
Correct |
106 ms |
28140 KB |
Output is correct |
9 |
Correct |
76 ms |
26736 KB |
Output is correct |
10 |
Correct |
106 ms |
28220 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 |
23928 KB |
Output is correct |
5 |
Correct |
23 ms |
23800 KB |
Output is correct |
6 |
Correct |
23 ms |
23928 KB |
Output is correct |
7 |
Correct |
24 ms |
23932 KB |
Output is correct |
8 |
Correct |
23 ms |
23928 KB |
Output is correct |
9 |
Correct |
24 ms |
23928 KB |
Output is correct |
10 |
Correct |
23 ms |
23800 KB |
Output is correct |
11 |
Correct |
25 ms |
24056 KB |
Output is correct |
12 |
Correct |
26 ms |
24184 KB |
Output is correct |
13 |
Correct |
27 ms |
24312 KB |
Output is correct |
14 |
Correct |
28 ms |
24312 KB |
Output is correct |
15 |
Correct |
28 ms |
24352 KB |
Output is correct |
16 |
Correct |
28 ms |
24312 KB |
Output is correct |
17 |
Correct |
26 ms |
24256 KB |
Output is correct |
18 |
Correct |
27 ms |
24312 KB |
Output is correct |
19 |
Correct |
271 ms |
37360 KB |
Output is correct |
20 |
Correct |
269 ms |
36336 KB |
Output is correct |
21 |
Correct |
262 ms |
38208 KB |
Output is correct |
22 |
Correct |
263 ms |
37724 KB |
Output is correct |
23 |
Correct |
259 ms |
38128 KB |
Output is correct |
24 |
Correct |
208 ms |
32744 KB |
Output is correct |
25 |
Correct |
207 ms |
32212 KB |
Output is correct |
26 |
Correct |
218 ms |
32304 KB |
Output is correct |
27 |
Correct |
213 ms |
32592 KB |
Output is correct |
28 |
Correct |
211 ms |
32744 KB |
Output is correct |
29 |
Correct |
218 ms |
32760 KB |
Output is correct |
30 |
Correct |
215 ms |
32224 KB |
Output is correct |
31 |
Correct |
214 ms |
32484 KB |
Output is correct |
32 |
Correct |
215 ms |
32232 KB |
Output is correct |
33 |
Correct |
214 ms |
32232 KB |
Output is correct |
34 |
Correct |
203 ms |
32488 KB |
Output is correct |
35 |
Correct |
205 ms |
32572 KB |
Output is correct |
36 |
Correct |
206 ms |
33048 KB |
Output is correct |
37 |
Correct |
201 ms |
32872 KB |
Output is correct |
38 |
Correct |
203 ms |
32872 KB |
Output is correct |
39 |
Correct |
211 ms |
34268 KB |
Output is correct |
40 |
Correct |
171 ms |
32492 KB |
Output is correct |
41 |
Correct |
206 ms |
34332 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 |
23928 KB |
Output is correct |
5 |
Correct |
23 ms |
23800 KB |
Output is correct |
6 |
Correct |
23 ms |
23928 KB |
Output is correct |
7 |
Correct |
24 ms |
23932 KB |
Output is correct |
8 |
Correct |
23 ms |
23928 KB |
Output is correct |
9 |
Correct |
24 ms |
23928 KB |
Output is correct |
10 |
Correct |
23 ms |
23800 KB |
Output is correct |
11 |
Correct |
25 ms |
24056 KB |
Output is correct |
12 |
Correct |
26 ms |
24184 KB |
Output is correct |
13 |
Correct |
27 ms |
24312 KB |
Output is correct |
14 |
Correct |
28 ms |
24312 KB |
Output is correct |
15 |
Correct |
28 ms |
24352 KB |
Output is correct |
16 |
Correct |
28 ms |
24312 KB |
Output is correct |
17 |
Correct |
26 ms |
24256 KB |
Output is correct |
18 |
Correct |
27 ms |
24312 KB |
Output is correct |
19 |
Correct |
1392 ms |
73068 KB |
Output is correct |
20 |
Correct |
1395 ms |
102624 KB |
Output is correct |
21 |
Correct |
1384 ms |
102780 KB |
Output is correct |
22 |
Correct |
1377 ms |
103220 KB |
Output is correct |
23 |
Correct |
1030 ms |
83620 KB |
Output is correct |
24 |
Correct |
129 ms |
29564 KB |
Output is correct |
25 |
Correct |
126 ms |
29540 KB |
Output is correct |
26 |
Correct |
103 ms |
27500 KB |
Output is correct |
27 |
Correct |
104 ms |
27484 KB |
Output is correct |
28 |
Correct |
103 ms |
27500 KB |
Output is correct |
29 |
Correct |
101 ms |
27428 KB |
Output is correct |
30 |
Correct |
101 ms |
27500 KB |
Output is correct |
31 |
Correct |
106 ms |
28140 KB |
Output is correct |
32 |
Correct |
76 ms |
26736 KB |
Output is correct |
33 |
Correct |
106 ms |
28220 KB |
Output is correct |
34 |
Correct |
271 ms |
37360 KB |
Output is correct |
35 |
Correct |
269 ms |
36336 KB |
Output is correct |
36 |
Correct |
262 ms |
38208 KB |
Output is correct |
37 |
Correct |
263 ms |
37724 KB |
Output is correct |
38 |
Correct |
259 ms |
38128 KB |
Output is correct |
39 |
Correct |
208 ms |
32744 KB |
Output is correct |
40 |
Correct |
207 ms |
32212 KB |
Output is correct |
41 |
Correct |
218 ms |
32304 KB |
Output is correct |
42 |
Correct |
213 ms |
32592 KB |
Output is correct |
43 |
Correct |
211 ms |
32744 KB |
Output is correct |
44 |
Correct |
218 ms |
32760 KB |
Output is correct |
45 |
Correct |
215 ms |
32224 KB |
Output is correct |
46 |
Correct |
214 ms |
32484 KB |
Output is correct |
47 |
Correct |
215 ms |
32232 KB |
Output is correct |
48 |
Correct |
214 ms |
32232 KB |
Output is correct |
49 |
Correct |
203 ms |
32488 KB |
Output is correct |
50 |
Correct |
205 ms |
32572 KB |
Output is correct |
51 |
Correct |
206 ms |
33048 KB |
Output is correct |
52 |
Correct |
201 ms |
32872 KB |
Output is correct |
53 |
Correct |
203 ms |
32872 KB |
Output is correct |
54 |
Correct |
211 ms |
34268 KB |
Output is correct |
55 |
Correct |
171 ms |
32492 KB |
Output is correct |
56 |
Correct |
206 ms |
34332 KB |
Output is correct |
57 |
Correct |
1374 ms |
102560 KB |
Output is correct |
58 |
Correct |
1369 ms |
103864 KB |
Output is correct |
59 |
Correct |
1359 ms |
103416 KB |
Output is correct |
60 |
Correct |
1333 ms |
103324 KB |
Output is correct |
61 |
Correct |
1393 ms |
102768 KB |
Output is correct |
62 |
Correct |
1432 ms |
102804 KB |
Output is correct |
63 |
Correct |
1042 ms |
82520 KB |
Output is correct |
64 |
Correct |
1006 ms |
72220 KB |
Output is correct |
65 |
Correct |
1084 ms |
80844 KB |
Output is correct |
66 |
Correct |
1055 ms |
81500 KB |
Output is correct |
67 |
Correct |
1049 ms |
81772 KB |
Output is correct |
68 |
Correct |
1052 ms |
82932 KB |
Output is correct |
69 |
Correct |
1037 ms |
82924 KB |
Output is correct |
70 |
Correct |
1037 ms |
83236 KB |
Output is correct |
71 |
Correct |
1033 ms |
83860 KB |
Output is correct |
72 |
Correct |
1049 ms |
82888 KB |
Output is correct |
73 |
Correct |
987 ms |
79640 KB |
Output is correct |
74 |
Correct |
993 ms |
80844 KB |
Output is correct |
75 |
Correct |
971 ms |
77476 KB |
Output is correct |
76 |
Correct |
983 ms |
79760 KB |
Output is correct |
77 |
Correct |
979 ms |
79968 KB |
Output is correct |
78 |
Correct |
1038 ms |
84740 KB |
Output is correct |
79 |
Correct |
799 ms |
69748 KB |
Output is correct |
80 |
Correct |
1068 ms |
82316 KB |
Output is correct |