#include <bits/stdc++.h>
using namespace std;
const int mx = 1e6+5;
int n, m, A[mx], bit[mx], ans[mx]; vector<array<int, 3>> R[mx];
void upd(int i, int val){
for (; i > 0; i -= i&(-i)) bit[i] = max(bit[i], val);
}
int query(int i){
int ret = 0;
for (; i <= n; i += i&(-i)) ret = max(ret, bit[i]);
return ret;
}
int main(){
ios_base::sync_with_stdio(0); cin.tie(0);
cin >> n >> m;
for (int i = 1; i <= n; i++) cin >> A[i];
for (int i = 1; i <= m; i++){
int l, r, k; cin >> l >> r >> k;
R[r].push_back({l, k, i});
}stack<int> stk;
for (int i = 1; i <= n; i++){
while (!stk.empty() and A[stk.top()] <= A[i]) stk.pop();
if (!stk.empty()) upd(stk.top(), A[stk.top()]+A[i]);
for (auto x : R[i]) ans[x[2]] = (query(x[0]) <= x[1]);
stk.push(i);
}for (int i = 1; i <= m; i++) cout<<ans[i]<<endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
15 ms |
23756 KB |
Output is correct |
2 |
Correct |
14 ms |
23808 KB |
Output is correct |
3 |
Correct |
15 ms |
23748 KB |
Output is correct |
4 |
Correct |
14 ms |
23756 KB |
Output is correct |
5 |
Correct |
14 ms |
23776 KB |
Output is correct |
6 |
Correct |
15 ms |
23720 KB |
Output is correct |
7 |
Correct |
16 ms |
23776 KB |
Output is correct |
8 |
Correct |
15 ms |
23844 KB |
Output is correct |
9 |
Correct |
15 ms |
23760 KB |
Output is correct |
10 |
Correct |
15 ms |
23756 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
15 ms |
23756 KB |
Output is correct |
2 |
Correct |
14 ms |
23808 KB |
Output is correct |
3 |
Correct |
15 ms |
23748 KB |
Output is correct |
4 |
Correct |
14 ms |
23756 KB |
Output is correct |
5 |
Correct |
14 ms |
23776 KB |
Output is correct |
6 |
Correct |
15 ms |
23720 KB |
Output is correct |
7 |
Correct |
16 ms |
23776 KB |
Output is correct |
8 |
Correct |
15 ms |
23844 KB |
Output is correct |
9 |
Correct |
15 ms |
23760 KB |
Output is correct |
10 |
Correct |
15 ms |
23756 KB |
Output is correct |
11 |
Correct |
20 ms |
23884 KB |
Output is correct |
12 |
Correct |
20 ms |
23944 KB |
Output is correct |
13 |
Correct |
20 ms |
23888 KB |
Output is correct |
14 |
Correct |
26 ms |
23936 KB |
Output is correct |
15 |
Correct |
24 ms |
23988 KB |
Output is correct |
16 |
Correct |
24 ms |
23980 KB |
Output is correct |
17 |
Correct |
25 ms |
23884 KB |
Output is correct |
18 |
Correct |
30 ms |
23976 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2406 ms |
59168 KB |
Output is correct |
2 |
Correct |
2483 ms |
92008 KB |
Output is correct |
3 |
Correct |
2490 ms |
92064 KB |
Output is correct |
4 |
Correct |
2461 ms |
92320 KB |
Output is correct |
5 |
Correct |
2360 ms |
88172 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
239 ms |
27200 KB |
Output is correct |
2 |
Correct |
218 ms |
26968 KB |
Output is correct |
3 |
Correct |
223 ms |
26692 KB |
Output is correct |
4 |
Correct |
219 ms |
26872 KB |
Output is correct |
5 |
Correct |
217 ms |
26896 KB |
Output is correct |
6 |
Correct |
209 ms |
26468 KB |
Output is correct |
7 |
Correct |
210 ms |
26404 KB |
Output is correct |
8 |
Correct |
217 ms |
26728 KB |
Output is correct |
9 |
Correct |
198 ms |
25852 KB |
Output is correct |
10 |
Correct |
223 ms |
26780 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
15 ms |
23756 KB |
Output is correct |
2 |
Correct |
14 ms |
23808 KB |
Output is correct |
3 |
Correct |
15 ms |
23748 KB |
Output is correct |
4 |
Correct |
14 ms |
23756 KB |
Output is correct |
5 |
Correct |
14 ms |
23776 KB |
Output is correct |
6 |
Correct |
15 ms |
23720 KB |
Output is correct |
7 |
Correct |
16 ms |
23776 KB |
Output is correct |
8 |
Correct |
15 ms |
23844 KB |
Output is correct |
9 |
Correct |
15 ms |
23760 KB |
Output is correct |
10 |
Correct |
15 ms |
23756 KB |
Output is correct |
11 |
Correct |
20 ms |
23884 KB |
Output is correct |
12 |
Correct |
20 ms |
23944 KB |
Output is correct |
13 |
Correct |
20 ms |
23888 KB |
Output is correct |
14 |
Correct |
26 ms |
23936 KB |
Output is correct |
15 |
Correct |
24 ms |
23988 KB |
Output is correct |
16 |
Correct |
24 ms |
23980 KB |
Output is correct |
17 |
Correct |
25 ms |
23884 KB |
Output is correct |
18 |
Correct |
30 ms |
23976 KB |
Output is correct |
19 |
Correct |
470 ms |
30888 KB |
Output is correct |
20 |
Correct |
471 ms |
30916 KB |
Output is correct |
21 |
Correct |
449 ms |
30240 KB |
Output is correct |
22 |
Correct |
445 ms |
30276 KB |
Output is correct |
23 |
Correct |
447 ms |
30356 KB |
Output is correct |
24 |
Correct |
431 ms |
29472 KB |
Output is correct |
25 |
Correct |
442 ms |
29476 KB |
Output is correct |
26 |
Correct |
451 ms |
29696 KB |
Output is correct |
27 |
Correct |
440 ms |
29508 KB |
Output is correct |
28 |
Correct |
452 ms |
29892 KB |
Output is correct |
29 |
Correct |
449 ms |
30020 KB |
Output is correct |
30 |
Correct |
465 ms |
30012 KB |
Output is correct |
31 |
Correct |
462 ms |
30096 KB |
Output is correct |
32 |
Correct |
450 ms |
29932 KB |
Output is correct |
33 |
Correct |
459 ms |
30028 KB |
Output is correct |
34 |
Correct |
432 ms |
29080 KB |
Output is correct |
35 |
Correct |
435 ms |
29076 KB |
Output is correct |
36 |
Correct |
430 ms |
29132 KB |
Output is correct |
37 |
Correct |
421 ms |
29252 KB |
Output is correct |
38 |
Correct |
428 ms |
29120 KB |
Output is correct |
39 |
Correct |
452 ms |
29816 KB |
Output is correct |
40 |
Correct |
436 ms |
29044 KB |
Output is correct |
41 |
Correct |
436 ms |
29684 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
15 ms |
23756 KB |
Output is correct |
2 |
Correct |
14 ms |
23808 KB |
Output is correct |
3 |
Correct |
15 ms |
23748 KB |
Output is correct |
4 |
Correct |
14 ms |
23756 KB |
Output is correct |
5 |
Correct |
14 ms |
23776 KB |
Output is correct |
6 |
Correct |
15 ms |
23720 KB |
Output is correct |
7 |
Correct |
16 ms |
23776 KB |
Output is correct |
8 |
Correct |
15 ms |
23844 KB |
Output is correct |
9 |
Correct |
15 ms |
23760 KB |
Output is correct |
10 |
Correct |
15 ms |
23756 KB |
Output is correct |
11 |
Correct |
20 ms |
23884 KB |
Output is correct |
12 |
Correct |
20 ms |
23944 KB |
Output is correct |
13 |
Correct |
20 ms |
23888 KB |
Output is correct |
14 |
Correct |
26 ms |
23936 KB |
Output is correct |
15 |
Correct |
24 ms |
23988 KB |
Output is correct |
16 |
Correct |
24 ms |
23980 KB |
Output is correct |
17 |
Correct |
25 ms |
23884 KB |
Output is correct |
18 |
Correct |
30 ms |
23976 KB |
Output is correct |
19 |
Correct |
2406 ms |
59168 KB |
Output is correct |
20 |
Correct |
2483 ms |
92008 KB |
Output is correct |
21 |
Correct |
2490 ms |
92064 KB |
Output is correct |
22 |
Correct |
2461 ms |
92320 KB |
Output is correct |
23 |
Correct |
2360 ms |
88172 KB |
Output is correct |
24 |
Correct |
239 ms |
27200 KB |
Output is correct |
25 |
Correct |
218 ms |
26968 KB |
Output is correct |
26 |
Correct |
223 ms |
26692 KB |
Output is correct |
27 |
Correct |
219 ms |
26872 KB |
Output is correct |
28 |
Correct |
217 ms |
26896 KB |
Output is correct |
29 |
Correct |
209 ms |
26468 KB |
Output is correct |
30 |
Correct |
210 ms |
26404 KB |
Output is correct |
31 |
Correct |
217 ms |
26728 KB |
Output is correct |
32 |
Correct |
198 ms |
25852 KB |
Output is correct |
33 |
Correct |
223 ms |
26780 KB |
Output is correct |
34 |
Correct |
470 ms |
30888 KB |
Output is correct |
35 |
Correct |
471 ms |
30916 KB |
Output is correct |
36 |
Correct |
449 ms |
30240 KB |
Output is correct |
37 |
Correct |
445 ms |
30276 KB |
Output is correct |
38 |
Correct |
447 ms |
30356 KB |
Output is correct |
39 |
Correct |
431 ms |
29472 KB |
Output is correct |
40 |
Correct |
442 ms |
29476 KB |
Output is correct |
41 |
Correct |
451 ms |
29696 KB |
Output is correct |
42 |
Correct |
440 ms |
29508 KB |
Output is correct |
43 |
Correct |
452 ms |
29892 KB |
Output is correct |
44 |
Correct |
449 ms |
30020 KB |
Output is correct |
45 |
Correct |
465 ms |
30012 KB |
Output is correct |
46 |
Correct |
462 ms |
30096 KB |
Output is correct |
47 |
Correct |
450 ms |
29932 KB |
Output is correct |
48 |
Correct |
459 ms |
30028 KB |
Output is correct |
49 |
Correct |
432 ms |
29080 KB |
Output is correct |
50 |
Correct |
435 ms |
29076 KB |
Output is correct |
51 |
Correct |
430 ms |
29132 KB |
Output is correct |
52 |
Correct |
421 ms |
29252 KB |
Output is correct |
53 |
Correct |
428 ms |
29120 KB |
Output is correct |
54 |
Correct |
452 ms |
29816 KB |
Output is correct |
55 |
Correct |
436 ms |
29044 KB |
Output is correct |
56 |
Correct |
436 ms |
29684 KB |
Output is correct |
57 |
Correct |
2467 ms |
92292 KB |
Output is correct |
58 |
Correct |
2482 ms |
92408 KB |
Output is correct |
59 |
Correct |
2429 ms |
90792 KB |
Output is correct |
60 |
Correct |
2403 ms |
90772 KB |
Output is correct |
61 |
Correct |
2400 ms |
90720 KB |
Output is correct |
62 |
Correct |
2411 ms |
90764 KB |
Output is correct |
63 |
Correct |
2140 ms |
83684 KB |
Output is correct |
64 |
Correct |
2148 ms |
83568 KB |
Output is correct |
65 |
Correct |
2347 ms |
86712 KB |
Output is correct |
66 |
Correct |
2362 ms |
86608 KB |
Output is correct |
67 |
Correct |
2382 ms |
86788 KB |
Output is correct |
68 |
Correct |
2395 ms |
88668 KB |
Output is correct |
69 |
Correct |
2429 ms |
88492 KB |
Output is correct |
70 |
Correct |
2370 ms |
88064 KB |
Output is correct |
71 |
Correct |
2404 ms |
88296 KB |
Output is correct |
72 |
Correct |
2400 ms |
88032 KB |
Output is correct |
73 |
Correct |
2082 ms |
79588 KB |
Output is correct |
74 |
Correct |
2116 ms |
80576 KB |
Output is correct |
75 |
Correct |
2100 ms |
79584 KB |
Output is correct |
76 |
Correct |
2101 ms |
79720 KB |
Output is correct |
77 |
Correct |
2108 ms |
79340 KB |
Output is correct |
78 |
Correct |
2290 ms |
81872 KB |
Output is correct |
79 |
Correct |
2139 ms |
71492 KB |
Output is correct |
80 |
Correct |
2303 ms |
77752 KB |
Output is correct |