#include <iostream>
#include <stack>
#include <vector>
using namespace std;
int t[4000005], res[1000005], a[1000005];
vector<int> g[1000005];
struct QUERY {
int r, x, num;
};
vector<QUERY> v[1000005];
void update(int v, int tl, int tr, int l, int r, int x) {
if (l > r) return;
if (tl == l && tr == r) {
t[v] = max(t[v], x);
return;
}
t[v * 2] = max(t[v * 2], t[v]);
t[v * 2 + 1] = max(t[v * 2 + 1], t[v]);
int mid = (tl + tr) / 2;
update(v * 2, tl, mid, l, min(r, mid), x);
update(v * 2 + 1, mid + 1, tr, max(l, mid + 1), r, x);
}
int sum(int v, int tl, int tr, int x) {
if (tl == tr) {
return t[v];
}
t[v * 2] = max(t[v * 2], t[v]);
t[v * 2 + 1] = max(t[v * 2 + 1], t[v]);
int mid = (tl + tr) / 2;
if (mid >= x) return sum(v * 2, tl, mid, x);
return sum(v * 2 + 1, mid + 1, tr, x);
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
int n, q;
cin >> n >> q;
stack<pair<int, int>> s;
for (int i = 1; i <= n; i++) {
cin >> a[i];
while (!s.empty() && (s.top()).first <= a[i]) {
s.pop();
}
if (!s.empty()) {
g[(s.top()).second].push_back(i);
}
s.push({a[i], i});
}
for (int i = 1; i <= q; i++) {
int l, r, k;
cin >> l >> r >> k;
v[l].push_back({r, k, i});
}
for (int i = n; i >= 1; i--) {
for (int w : g[i]) {
update(1, 1, n, w, n, a[i] + a[w]);
}
for (auto w : v[i]) {
if (sum(1, 1, n, w.r) <= w.x) {
res[w.num] = 1;
}
}
}
for (int i = 1; i <= q; i++) cout << res[i] << '\n';
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
49752 KB |
Output is correct |
2 |
Correct |
8 ms |
49756 KB |
Output is correct |
3 |
Correct |
8 ms |
49752 KB |
Output is correct |
4 |
Correct |
8 ms |
49876 KB |
Output is correct |
5 |
Correct |
8 ms |
49756 KB |
Output is correct |
6 |
Correct |
8 ms |
49756 KB |
Output is correct |
7 |
Correct |
8 ms |
49900 KB |
Output is correct |
8 |
Correct |
9 ms |
49756 KB |
Output is correct |
9 |
Correct |
8 ms |
49756 KB |
Output is correct |
10 |
Correct |
8 ms |
49852 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
49752 KB |
Output is correct |
2 |
Correct |
8 ms |
49756 KB |
Output is correct |
3 |
Correct |
8 ms |
49752 KB |
Output is correct |
4 |
Correct |
8 ms |
49876 KB |
Output is correct |
5 |
Correct |
8 ms |
49756 KB |
Output is correct |
6 |
Correct |
8 ms |
49756 KB |
Output is correct |
7 |
Correct |
8 ms |
49900 KB |
Output is correct |
8 |
Correct |
9 ms |
49756 KB |
Output is correct |
9 |
Correct |
8 ms |
49756 KB |
Output is correct |
10 |
Correct |
8 ms |
49852 KB |
Output is correct |
11 |
Correct |
10 ms |
50008 KB |
Output is correct |
12 |
Correct |
10 ms |
50072 KB |
Output is correct |
13 |
Correct |
10 ms |
50012 KB |
Output is correct |
14 |
Correct |
11 ms |
50268 KB |
Output is correct |
15 |
Correct |
12 ms |
50268 KB |
Output is correct |
16 |
Correct |
10 ms |
50012 KB |
Output is correct |
17 |
Correct |
10 ms |
50012 KB |
Output is correct |
18 |
Correct |
11 ms |
50084 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
794 ms |
134064 KB |
Output is correct |
2 |
Correct |
791 ms |
134988 KB |
Output is correct |
3 |
Correct |
781 ms |
134680 KB |
Output is correct |
4 |
Correct |
769 ms |
134992 KB |
Output is correct |
5 |
Correct |
622 ms |
120004 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
76 ms |
56792 KB |
Output is correct |
2 |
Correct |
60 ms |
56652 KB |
Output is correct |
3 |
Correct |
50 ms |
54868 KB |
Output is correct |
4 |
Correct |
48 ms |
55120 KB |
Output is correct |
5 |
Correct |
49 ms |
55184 KB |
Output is correct |
6 |
Correct |
39 ms |
51632 KB |
Output is correct |
7 |
Correct |
44 ms |
51792 KB |
Output is correct |
8 |
Correct |
51 ms |
54756 KB |
Output is correct |
9 |
Correct |
31 ms |
52696 KB |
Output is correct |
10 |
Correct |
51 ms |
54676 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
49752 KB |
Output is correct |
2 |
Correct |
8 ms |
49756 KB |
Output is correct |
3 |
Correct |
8 ms |
49752 KB |
Output is correct |
4 |
Correct |
8 ms |
49876 KB |
Output is correct |
5 |
Correct |
8 ms |
49756 KB |
Output is correct |
6 |
Correct |
8 ms |
49756 KB |
Output is correct |
7 |
Correct |
8 ms |
49900 KB |
Output is correct |
8 |
Correct |
9 ms |
49756 KB |
Output is correct |
9 |
Correct |
8 ms |
49756 KB |
Output is correct |
10 |
Correct |
8 ms |
49852 KB |
Output is correct |
11 |
Correct |
10 ms |
50008 KB |
Output is correct |
12 |
Correct |
10 ms |
50072 KB |
Output is correct |
13 |
Correct |
10 ms |
50012 KB |
Output is correct |
14 |
Correct |
11 ms |
50268 KB |
Output is correct |
15 |
Correct |
12 ms |
50268 KB |
Output is correct |
16 |
Correct |
10 ms |
50012 KB |
Output is correct |
17 |
Correct |
10 ms |
50012 KB |
Output is correct |
18 |
Correct |
11 ms |
50084 KB |
Output is correct |
19 |
Correct |
144 ms |
70740 KB |
Output is correct |
20 |
Correct |
152 ms |
70740 KB |
Output is correct |
21 |
Correct |
126 ms |
69968 KB |
Output is correct |
22 |
Correct |
127 ms |
69944 KB |
Output is correct |
23 |
Correct |
122 ms |
69968 KB |
Output is correct |
24 |
Correct |
92 ms |
64596 KB |
Output is correct |
25 |
Correct |
100 ms |
64800 KB |
Output is correct |
26 |
Correct |
97 ms |
65660 KB |
Output is correct |
27 |
Correct |
99 ms |
65620 KB |
Output is correct |
28 |
Correct |
99 ms |
65872 KB |
Output is correct |
29 |
Correct |
113 ms |
67420 KB |
Output is correct |
30 |
Correct |
103 ms |
67392 KB |
Output is correct |
31 |
Correct |
106 ms |
67184 KB |
Output is correct |
32 |
Correct |
112 ms |
67396 KB |
Output is correct |
33 |
Correct |
106 ms |
67384 KB |
Output is correct |
34 |
Correct |
86 ms |
63824 KB |
Output is correct |
35 |
Correct |
83 ms |
63928 KB |
Output is correct |
36 |
Correct |
87 ms |
63568 KB |
Output is correct |
37 |
Correct |
83 ms |
63800 KB |
Output is correct |
38 |
Correct |
82 ms |
63816 KB |
Output is correct |
39 |
Correct |
101 ms |
66312 KB |
Output is correct |
40 |
Correct |
85 ms |
63236 KB |
Output is correct |
41 |
Correct |
102 ms |
65096 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
49752 KB |
Output is correct |
2 |
Correct |
8 ms |
49756 KB |
Output is correct |
3 |
Correct |
8 ms |
49752 KB |
Output is correct |
4 |
Correct |
8 ms |
49876 KB |
Output is correct |
5 |
Correct |
8 ms |
49756 KB |
Output is correct |
6 |
Correct |
8 ms |
49756 KB |
Output is correct |
7 |
Correct |
8 ms |
49900 KB |
Output is correct |
8 |
Correct |
9 ms |
49756 KB |
Output is correct |
9 |
Correct |
8 ms |
49756 KB |
Output is correct |
10 |
Correct |
8 ms |
49852 KB |
Output is correct |
11 |
Correct |
10 ms |
50008 KB |
Output is correct |
12 |
Correct |
10 ms |
50072 KB |
Output is correct |
13 |
Correct |
10 ms |
50012 KB |
Output is correct |
14 |
Correct |
11 ms |
50268 KB |
Output is correct |
15 |
Correct |
12 ms |
50268 KB |
Output is correct |
16 |
Correct |
10 ms |
50012 KB |
Output is correct |
17 |
Correct |
10 ms |
50012 KB |
Output is correct |
18 |
Correct |
11 ms |
50084 KB |
Output is correct |
19 |
Correct |
794 ms |
134064 KB |
Output is correct |
20 |
Correct |
791 ms |
134988 KB |
Output is correct |
21 |
Correct |
781 ms |
134680 KB |
Output is correct |
22 |
Correct |
769 ms |
134992 KB |
Output is correct |
23 |
Correct |
622 ms |
120004 KB |
Output is correct |
24 |
Correct |
76 ms |
56792 KB |
Output is correct |
25 |
Correct |
60 ms |
56652 KB |
Output is correct |
26 |
Correct |
50 ms |
54868 KB |
Output is correct |
27 |
Correct |
48 ms |
55120 KB |
Output is correct |
28 |
Correct |
49 ms |
55184 KB |
Output is correct |
29 |
Correct |
39 ms |
51632 KB |
Output is correct |
30 |
Correct |
44 ms |
51792 KB |
Output is correct |
31 |
Correct |
51 ms |
54756 KB |
Output is correct |
32 |
Correct |
31 ms |
52696 KB |
Output is correct |
33 |
Correct |
51 ms |
54676 KB |
Output is correct |
34 |
Correct |
144 ms |
70740 KB |
Output is correct |
35 |
Correct |
152 ms |
70740 KB |
Output is correct |
36 |
Correct |
126 ms |
69968 KB |
Output is correct |
37 |
Correct |
127 ms |
69944 KB |
Output is correct |
38 |
Correct |
122 ms |
69968 KB |
Output is correct |
39 |
Correct |
92 ms |
64596 KB |
Output is correct |
40 |
Correct |
100 ms |
64800 KB |
Output is correct |
41 |
Correct |
97 ms |
65660 KB |
Output is correct |
42 |
Correct |
99 ms |
65620 KB |
Output is correct |
43 |
Correct |
99 ms |
65872 KB |
Output is correct |
44 |
Correct |
113 ms |
67420 KB |
Output is correct |
45 |
Correct |
103 ms |
67392 KB |
Output is correct |
46 |
Correct |
106 ms |
67184 KB |
Output is correct |
47 |
Correct |
112 ms |
67396 KB |
Output is correct |
48 |
Correct |
106 ms |
67384 KB |
Output is correct |
49 |
Correct |
86 ms |
63824 KB |
Output is correct |
50 |
Correct |
83 ms |
63928 KB |
Output is correct |
51 |
Correct |
87 ms |
63568 KB |
Output is correct |
52 |
Correct |
83 ms |
63800 KB |
Output is correct |
53 |
Correct |
82 ms |
63816 KB |
Output is correct |
54 |
Correct |
101 ms |
66312 KB |
Output is correct |
55 |
Correct |
85 ms |
63236 KB |
Output is correct |
56 |
Correct |
102 ms |
65096 KB |
Output is correct |
57 |
Correct |
860 ms |
137556 KB |
Output is correct |
58 |
Correct |
783 ms |
137556 KB |
Output is correct |
59 |
Correct |
758 ms |
135508 KB |
Output is correct |
60 |
Correct |
777 ms |
135508 KB |
Output is correct |
61 |
Correct |
734 ms |
135524 KB |
Output is correct |
62 |
Correct |
761 ms |
135504 KB |
Output is correct |
63 |
Correct |
430 ms |
105556 KB |
Output is correct |
64 |
Correct |
432 ms |
105660 KB |
Output is correct |
65 |
Correct |
562 ms |
115020 KB |
Output is correct |
66 |
Correct |
529 ms |
115028 KB |
Output is correct |
67 |
Correct |
571 ms |
115200 KB |
Output is correct |
68 |
Correct |
633 ms |
121428 KB |
Output is correct |
69 |
Correct |
623 ms |
121424 KB |
Output is correct |
70 |
Correct |
592 ms |
120144 KB |
Output is correct |
71 |
Correct |
606 ms |
120008 KB |
Output is correct |
72 |
Correct |
624 ms |
120000 KB |
Output is correct |
73 |
Correct |
387 ms |
103012 KB |
Output is correct |
74 |
Correct |
386 ms |
103760 KB |
Output is correct |
75 |
Correct |
401 ms |
103220 KB |
Output is correct |
76 |
Correct |
400 ms |
102992 KB |
Output is correct |
77 |
Correct |
375 ms |
102996 KB |
Output is correct |
78 |
Correct |
540 ms |
116732 KB |
Output is correct |
79 |
Correct |
439 ms |
100924 KB |
Output is correct |
80 |
Correct |
563 ms |
111376 KB |
Output is correct |