#include<bits/stdc++.h>
using namespace std;
struct edge {
int l;
int r;
int k;
int id;
};
bool cmp(edge l, edge r) {
return (l.r < r.r);
}
vector<int> t, a;
void upd(int u, int l, int r, int pos, int val) {
if (r - l == 1) {
t[u] = max(t[u], val);
return;
}
int m = (l + r) / 2;
if (pos < m) upd(u + u + 1, l, m, pos, val);
else upd(u + u + 2, m, r, pos, val);
t[u] = max(t[u + u + 1], t[u + u + 2]);
}
int get(int u, int ul, int ur, int l, int r) {
if (ul >= r || l >= ur)
return 0;
if (l <= ul && ur <= r)
return t[u];
int um = (ul + ur) / 2;
return max(get(u + u + 1, ul, um, l, r), get(u + u + 2, um, ur, l, r));
}
int main() {
ios_base::sync_with_stdio(NULL);
cin.tie(nullptr),cout.tie(nullptr);
int n, m;
cin >> n >> m;
vector<int> inv(n, -1), ans(m);
t.resize(4 * n);
a.resize(n);
vector<edge> q(m);
for (int& x : a)
cin >> x;
for (int i = 0; i < m; i++) {
int l, r, x;
cin >> l >> r >> x;
l--, r--;
q[i].l = l;
q[i].r = r;
q[i].id = i;
q[i].k = x;
}
stack<int> s;
for(int i = n - 1; i >= 0; i--){
while (!s.empty() && a[s.top()] < a[i]) {
inv[s.top()] = i;
s.pop();
}
s.push(i);
}
sort(q.begin(), q.end(), cmp);
int pos = 0;
for (int i = 0; i < n; i++) {
if (inv[i] != -1) {
upd(0, 0, n, inv[i], a[i] + a[inv[i]]);
}
while (pos < m && i == q[pos].r) {
ans[q[pos].id] = (get(0, 0, n, q[pos].l, q[pos].r + 1) <= q[pos].k);
pos++;
}
}
for (int i = 0; i < m; i++)
cout << ans[i] << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
4 ms |
504 KB |
Output is correct |
12 |
Correct |
5 ms |
632 KB |
Output is correct |
13 |
Correct |
6 ms |
632 KB |
Output is correct |
14 |
Correct |
7 ms |
680 KB |
Output is correct |
15 |
Correct |
7 ms |
760 KB |
Output is correct |
16 |
Correct |
6 ms |
760 KB |
Output is correct |
17 |
Correct |
5 ms |
632 KB |
Output is correct |
18 |
Correct |
6 ms |
632 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1533 ms |
45380 KB |
Output is correct |
2 |
Correct |
1634 ms |
78408 KB |
Output is correct |
3 |
Correct |
1586 ms |
78200 KB |
Output is correct |
4 |
Correct |
1537 ms |
78400 KB |
Output is correct |
5 |
Correct |
1298 ms |
82552 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
115 ms |
4856 KB |
Output is correct |
2 |
Correct |
114 ms |
4868 KB |
Output is correct |
3 |
Correct |
100 ms |
7292 KB |
Output is correct |
4 |
Correct |
118 ms |
7288 KB |
Output is correct |
5 |
Correct |
109 ms |
7288 KB |
Output is correct |
6 |
Correct |
90 ms |
7104 KB |
Output is correct |
7 |
Correct |
90 ms |
7160 KB |
Output is correct |
8 |
Correct |
94 ms |
6776 KB |
Output is correct |
9 |
Correct |
53 ms |
3832 KB |
Output is correct |
10 |
Correct |
92 ms |
6736 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
4 ms |
504 KB |
Output is correct |
12 |
Correct |
5 ms |
632 KB |
Output is correct |
13 |
Correct |
6 ms |
632 KB |
Output is correct |
14 |
Correct |
7 ms |
680 KB |
Output is correct |
15 |
Correct |
7 ms |
760 KB |
Output is correct |
16 |
Correct |
6 ms |
760 KB |
Output is correct |
17 |
Correct |
5 ms |
632 KB |
Output is correct |
18 |
Correct |
6 ms |
632 KB |
Output is correct |
19 |
Correct |
273 ms |
15916 KB |
Output is correct |
20 |
Correct |
275 ms |
15992 KB |
Output is correct |
21 |
Correct |
255 ms |
15864 KB |
Output is correct |
22 |
Correct |
262 ms |
15864 KB |
Output is correct |
23 |
Correct |
258 ms |
15864 KB |
Output is correct |
24 |
Correct |
213 ms |
16632 KB |
Output is correct |
25 |
Correct |
213 ms |
16504 KB |
Output is correct |
26 |
Correct |
227 ms |
16748 KB |
Output is correct |
27 |
Correct |
221 ms |
16632 KB |
Output is correct |
28 |
Correct |
229 ms |
16816 KB |
Output is correct |
29 |
Correct |
233 ms |
16748 KB |
Output is correct |
30 |
Correct |
231 ms |
16760 KB |
Output is correct |
31 |
Correct |
235 ms |
16888 KB |
Output is correct |
32 |
Correct |
236 ms |
16808 KB |
Output is correct |
33 |
Correct |
245 ms |
16888 KB |
Output is correct |
34 |
Correct |
205 ms |
16504 KB |
Output is correct |
35 |
Correct |
205 ms |
16504 KB |
Output is correct |
36 |
Correct |
202 ms |
16248 KB |
Output is correct |
37 |
Correct |
211 ms |
16348 KB |
Output is correct |
38 |
Correct |
225 ms |
16364 KB |
Output is correct |
39 |
Correct |
211 ms |
15076 KB |
Output is correct |
40 |
Correct |
327 ms |
12792 KB |
Output is correct |
41 |
Correct |
217 ms |
14456 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
4 ms |
504 KB |
Output is correct |
12 |
Correct |
5 ms |
632 KB |
Output is correct |
13 |
Correct |
6 ms |
632 KB |
Output is correct |
14 |
Correct |
7 ms |
680 KB |
Output is correct |
15 |
Correct |
7 ms |
760 KB |
Output is correct |
16 |
Correct |
6 ms |
760 KB |
Output is correct |
17 |
Correct |
5 ms |
632 KB |
Output is correct |
18 |
Correct |
6 ms |
632 KB |
Output is correct |
19 |
Correct |
1533 ms |
45380 KB |
Output is correct |
20 |
Correct |
1634 ms |
78408 KB |
Output is correct |
21 |
Correct |
1586 ms |
78200 KB |
Output is correct |
22 |
Correct |
1537 ms |
78400 KB |
Output is correct |
23 |
Correct |
1298 ms |
82552 KB |
Output is correct |
24 |
Correct |
115 ms |
4856 KB |
Output is correct |
25 |
Correct |
114 ms |
4868 KB |
Output is correct |
26 |
Correct |
100 ms |
7292 KB |
Output is correct |
27 |
Correct |
118 ms |
7288 KB |
Output is correct |
28 |
Correct |
109 ms |
7288 KB |
Output is correct |
29 |
Correct |
90 ms |
7104 KB |
Output is correct |
30 |
Correct |
90 ms |
7160 KB |
Output is correct |
31 |
Correct |
94 ms |
6776 KB |
Output is correct |
32 |
Correct |
53 ms |
3832 KB |
Output is correct |
33 |
Correct |
92 ms |
6736 KB |
Output is correct |
34 |
Correct |
273 ms |
15916 KB |
Output is correct |
35 |
Correct |
275 ms |
15992 KB |
Output is correct |
36 |
Correct |
255 ms |
15864 KB |
Output is correct |
37 |
Correct |
262 ms |
15864 KB |
Output is correct |
38 |
Correct |
258 ms |
15864 KB |
Output is correct |
39 |
Correct |
213 ms |
16632 KB |
Output is correct |
40 |
Correct |
213 ms |
16504 KB |
Output is correct |
41 |
Correct |
227 ms |
16748 KB |
Output is correct |
42 |
Correct |
221 ms |
16632 KB |
Output is correct |
43 |
Correct |
229 ms |
16816 KB |
Output is correct |
44 |
Correct |
233 ms |
16748 KB |
Output is correct |
45 |
Correct |
231 ms |
16760 KB |
Output is correct |
46 |
Correct |
235 ms |
16888 KB |
Output is correct |
47 |
Correct |
236 ms |
16808 KB |
Output is correct |
48 |
Correct |
245 ms |
16888 KB |
Output is correct |
49 |
Correct |
205 ms |
16504 KB |
Output is correct |
50 |
Correct |
205 ms |
16504 KB |
Output is correct |
51 |
Correct |
202 ms |
16248 KB |
Output is correct |
52 |
Correct |
211 ms |
16348 KB |
Output is correct |
53 |
Correct |
225 ms |
16364 KB |
Output is correct |
54 |
Correct |
211 ms |
15076 KB |
Output is correct |
55 |
Correct |
327 ms |
12792 KB |
Output is correct |
56 |
Correct |
217 ms |
14456 KB |
Output is correct |
57 |
Correct |
1566 ms |
78844 KB |
Output is correct |
58 |
Correct |
1573 ms |
78900 KB |
Output is correct |
59 |
Correct |
1532 ms |
78860 KB |
Output is correct |
60 |
Correct |
1566 ms |
78616 KB |
Output is correct |
61 |
Correct |
1540 ms |
61444 KB |
Output is correct |
62 |
Correct |
1525 ms |
78468 KB |
Output is correct |
63 |
Correct |
1154 ms |
80836 KB |
Output is correct |
64 |
Correct |
1186 ms |
80280 KB |
Output is correct |
65 |
Correct |
1317 ms |
82048 KB |
Output is correct |
66 |
Correct |
1303 ms |
81808 KB |
Output is correct |
67 |
Correct |
1322 ms |
81508 KB |
Output is correct |
68 |
Correct |
1356 ms |
79996 KB |
Output is correct |
69 |
Correct |
1352 ms |
63788 KB |
Output is correct |
70 |
Correct |
1359 ms |
68640 KB |
Output is correct |
71 |
Correct |
1351 ms |
81192 KB |
Output is correct |
72 |
Correct |
1340 ms |
80088 KB |
Output is correct |
73 |
Correct |
1134 ms |
79784 KB |
Output is correct |
74 |
Correct |
1114 ms |
66440 KB |
Output is correct |
75 |
Correct |
1115 ms |
78708 KB |
Output is correct |
76 |
Correct |
1168 ms |
78472 KB |
Output is correct |
77 |
Correct |
1120 ms |
65528 KB |
Output is correct |
78 |
Correct |
1194 ms |
75060 KB |
Output is correct |
79 |
Correct |
879 ms |
58456 KB |
Output is correct |
80 |
Correct |
1196 ms |
71364 KB |
Output is correct |