#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
const int N = 1e6 + 5;
int n, m;
int a[N], s[N], res[N];
void upd(int i, int x) {
for (; i; i -= i & -i) {
s[i] = max(s[i], x);
}
}
int qry(int i) {
int res = 0;
for (; i <= n; i += i & -i) {
res = max(res, s[i]);
}
return res;
}
int main() {
ios::sync_with_stdio(false); cin.tie(nullptr);
cin >> n >> m;
for (int i = 1; i <= n; ++i) {
cin >> a[i];
}
vector<array<int, 4>> que;
for (int i = 1; i <= m; ++i) {
int l, r, k; cin >> l >> r >> k;
que.push_back({r, l, k, i});
}
sort(que.begin(), que.end());
vector<int> st;
for (int i = 1, j = 0; i <= n; ++i) {
while (st.size() && a[st.back()] <= a[i]) {
st.pop_back();
}
if (st.size()) {
upd(st.back(), a[st.back()] + a[i]);
}
st.push_back(i);
while (j < m && que[j][0] == i) {
res[que[j][3]] = qry(que[j][1]) <= que[j][2];
++j;
}
}
for (int i = 1; i <= m; ++i) {
cout << res[i] << "\n";
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
480 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
480 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
2 ms |
600 KB |
Output is correct |
12 |
Correct |
2 ms |
604 KB |
Output is correct |
13 |
Correct |
2 ms |
604 KB |
Output is correct |
14 |
Correct |
4 ms |
848 KB |
Output is correct |
15 |
Correct |
2 ms |
852 KB |
Output is correct |
16 |
Correct |
2 ms |
856 KB |
Output is correct |
17 |
Correct |
2 ms |
604 KB |
Output is correct |
18 |
Correct |
3 ms |
604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
474 ms |
61600 KB |
Output is correct |
2 |
Correct |
482 ms |
62628 KB |
Output is correct |
3 |
Correct |
477 ms |
62552 KB |
Output is correct |
4 |
Correct |
480 ms |
62620 KB |
Output is correct |
5 |
Correct |
465 ms |
58820 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
41 ms |
5452 KB |
Output is correct |
2 |
Correct |
43 ms |
5320 KB |
Output is correct |
3 |
Correct |
40 ms |
5076 KB |
Output is correct |
4 |
Correct |
38 ms |
5068 KB |
Output is correct |
5 |
Correct |
39 ms |
5052 KB |
Output is correct |
6 |
Correct |
41 ms |
4808 KB |
Output is correct |
7 |
Correct |
40 ms |
4820 KB |
Output is correct |
8 |
Correct |
38 ms |
4816 KB |
Output is correct |
9 |
Correct |
30 ms |
4044 KB |
Output is correct |
10 |
Correct |
37 ms |
4868 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
480 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
2 ms |
600 KB |
Output is correct |
12 |
Correct |
2 ms |
604 KB |
Output is correct |
13 |
Correct |
2 ms |
604 KB |
Output is correct |
14 |
Correct |
4 ms |
848 KB |
Output is correct |
15 |
Correct |
2 ms |
852 KB |
Output is correct |
16 |
Correct |
2 ms |
856 KB |
Output is correct |
17 |
Correct |
2 ms |
604 KB |
Output is correct |
18 |
Correct |
3 ms |
604 KB |
Output is correct |
19 |
Correct |
94 ms |
12992 KB |
Output is correct |
20 |
Correct |
101 ms |
12988 KB |
Output is correct |
21 |
Correct |
89 ms |
12760 KB |
Output is correct |
22 |
Correct |
89 ms |
12848 KB |
Output is correct |
23 |
Correct |
94 ms |
12744 KB |
Output is correct |
24 |
Correct |
84 ms |
11968 KB |
Output is correct |
25 |
Correct |
84 ms |
11968 KB |
Output is correct |
26 |
Correct |
85 ms |
11960 KB |
Output is correct |
27 |
Correct |
84 ms |
11968 KB |
Output is correct |
28 |
Correct |
84 ms |
11964 KB |
Output is correct |
29 |
Correct |
87 ms |
12172 KB |
Output is correct |
30 |
Correct |
91 ms |
12216 KB |
Output is correct |
31 |
Correct |
88 ms |
12236 KB |
Output is correct |
32 |
Correct |
92 ms |
12220 KB |
Output is correct |
33 |
Correct |
90 ms |
12056 KB |
Output is correct |
34 |
Correct |
88 ms |
11708 KB |
Output is correct |
35 |
Correct |
98 ms |
11712 KB |
Output is correct |
36 |
Correct |
96 ms |
11712 KB |
Output is correct |
37 |
Correct |
91 ms |
11712 KB |
Output is correct |
38 |
Correct |
94 ms |
11672 KB |
Output is correct |
39 |
Correct |
91 ms |
11192 KB |
Output is correct |
40 |
Correct |
80 ms |
9740 KB |
Output is correct |
41 |
Correct |
86 ms |
10248 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
480 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
2 ms |
600 KB |
Output is correct |
12 |
Correct |
2 ms |
604 KB |
Output is correct |
13 |
Correct |
2 ms |
604 KB |
Output is correct |
14 |
Correct |
4 ms |
848 KB |
Output is correct |
15 |
Correct |
2 ms |
852 KB |
Output is correct |
16 |
Correct |
2 ms |
856 KB |
Output is correct |
17 |
Correct |
2 ms |
604 KB |
Output is correct |
18 |
Correct |
3 ms |
604 KB |
Output is correct |
19 |
Correct |
474 ms |
61600 KB |
Output is correct |
20 |
Correct |
482 ms |
62628 KB |
Output is correct |
21 |
Correct |
477 ms |
62552 KB |
Output is correct |
22 |
Correct |
480 ms |
62620 KB |
Output is correct |
23 |
Correct |
465 ms |
58820 KB |
Output is correct |
24 |
Correct |
41 ms |
5452 KB |
Output is correct |
25 |
Correct |
43 ms |
5320 KB |
Output is correct |
26 |
Correct |
40 ms |
5076 KB |
Output is correct |
27 |
Correct |
38 ms |
5068 KB |
Output is correct |
28 |
Correct |
39 ms |
5052 KB |
Output is correct |
29 |
Correct |
41 ms |
4808 KB |
Output is correct |
30 |
Correct |
40 ms |
4820 KB |
Output is correct |
31 |
Correct |
38 ms |
4816 KB |
Output is correct |
32 |
Correct |
30 ms |
4044 KB |
Output is correct |
33 |
Correct |
37 ms |
4868 KB |
Output is correct |
34 |
Correct |
94 ms |
12992 KB |
Output is correct |
35 |
Correct |
101 ms |
12988 KB |
Output is correct |
36 |
Correct |
89 ms |
12760 KB |
Output is correct |
37 |
Correct |
89 ms |
12848 KB |
Output is correct |
38 |
Correct |
94 ms |
12744 KB |
Output is correct |
39 |
Correct |
84 ms |
11968 KB |
Output is correct |
40 |
Correct |
84 ms |
11968 KB |
Output is correct |
41 |
Correct |
85 ms |
11960 KB |
Output is correct |
42 |
Correct |
84 ms |
11968 KB |
Output is correct |
43 |
Correct |
84 ms |
11964 KB |
Output is correct |
44 |
Correct |
87 ms |
12172 KB |
Output is correct |
45 |
Correct |
91 ms |
12216 KB |
Output is correct |
46 |
Correct |
88 ms |
12236 KB |
Output is correct |
47 |
Correct |
92 ms |
12220 KB |
Output is correct |
48 |
Correct |
90 ms |
12056 KB |
Output is correct |
49 |
Correct |
88 ms |
11708 KB |
Output is correct |
50 |
Correct |
98 ms |
11712 KB |
Output is correct |
51 |
Correct |
96 ms |
11712 KB |
Output is correct |
52 |
Correct |
91 ms |
11712 KB |
Output is correct |
53 |
Correct |
94 ms |
11672 KB |
Output is correct |
54 |
Correct |
91 ms |
11192 KB |
Output is correct |
55 |
Correct |
80 ms |
9740 KB |
Output is correct |
56 |
Correct |
86 ms |
10248 KB |
Output is correct |
57 |
Correct |
484 ms |
63388 KB |
Output is correct |
58 |
Correct |
485 ms |
63644 KB |
Output is correct |
59 |
Correct |
493 ms |
63396 KB |
Output is correct |
60 |
Correct |
492 ms |
63388 KB |
Output is correct |
61 |
Correct |
492 ms |
63176 KB |
Output is correct |
62 |
Correct |
462 ms |
63392 KB |
Output is correct |
63 |
Correct |
449 ms |
57504 KB |
Output is correct |
64 |
Correct |
463 ms |
57624 KB |
Output is correct |
65 |
Correct |
450 ms |
59324 KB |
Output is correct |
66 |
Correct |
450 ms |
59280 KB |
Output is correct |
67 |
Correct |
465 ms |
59296 KB |
Output is correct |
68 |
Correct |
459 ms |
59540 KB |
Output is correct |
69 |
Correct |
459 ms |
59552 KB |
Output is correct |
70 |
Correct |
466 ms |
59400 KB |
Output is correct |
71 |
Correct |
486 ms |
59316 KB |
Output is correct |
72 |
Correct |
451 ms |
59576 KB |
Output is correct |
73 |
Correct |
469 ms |
55964 KB |
Output is correct |
74 |
Correct |
475 ms |
57124 KB |
Output is correct |
75 |
Correct |
465 ms |
55968 KB |
Output is correct |
76 |
Correct |
459 ms |
55968 KB |
Output is correct |
77 |
Correct |
471 ms |
56080 KB |
Output is correct |
78 |
Correct |
436 ms |
54688 KB |
Output is correct |
79 |
Correct |
383 ms |
46752 KB |
Output is correct |
80 |
Correct |
439 ms |
50676 KB |
Output is correct |