#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define dbg(x) cerr << #x << " " << x << "\n"
typedef long long ll;
int n, m;
const int N = 1e6;
int w[1 + N];
int stk[1 + N];
vector <int> op[1 + N];
void prec () {
int top = 0;
for (int i = 1; i <= n; i++) {
while (top && w[stk[top]] <= w[i])
top--;
if (top)
op[stk[top]].pb (i);
stk[++top] = i;
}
}
struct Query {
int l;
int r;
int mood;
int index;
};
Query q[1 + N];
bool cmp (Query a, Query b) {
return a.l > b.l;
}
int lsb (int x) {
return x & -x;
}
int aib[1 + N];
int ans[1 + N];
void upd (int pos, int val) {
while (pos <= n) {
aib[pos] = max (aib[pos], val);
pos += lsb (pos);
}
}
int qry (int pos) {
int ans = 0;
while (pos) {
ans = max (ans, aib[pos]);
pos -= lsb (pos);
}
return ans;
}
int main () {
ios::sync_with_stdio (false);
cin.tie (0); cout.tie (0);
cin >> n >> m;
for (int i = 1; i <= n; i++) {
cin >> w[i];
}
prec ();
for (int i = 1; i <= m; i++) {
cin >> q[i].l >> q[i].r >> q[i].mood;
q[i].index = i;
}
sort (q + 1, q + m + 1, cmp);
int l = n;
for (int i = 1; i <= m; i++) {
while (l >= q[i].l) {
for (auto x : op[l])
upd (x, w[x] + w[l]);
l--;
}
ans[q[i].index] = (qry (q[i].r) <= q[i].mood);
}
for (int i = 1; i <= m; i++)
cout << ans[i] << "\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
29 ms |
23928 KB |
Output is correct |
2 |
Correct |
24 ms |
23900 KB |
Output is correct |
3 |
Correct |
25 ms |
23800 KB |
Output is correct |
4 |
Correct |
25 ms |
23800 KB |
Output is correct |
5 |
Correct |
25 ms |
23800 KB |
Output is correct |
6 |
Correct |
25 ms |
23928 KB |
Output is correct |
7 |
Correct |
26 ms |
23928 KB |
Output is correct |
8 |
Correct |
25 ms |
23900 KB |
Output is correct |
9 |
Correct |
26 ms |
23796 KB |
Output is correct |
10 |
Correct |
25 ms |
23932 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
29 ms |
23928 KB |
Output is correct |
2 |
Correct |
24 ms |
23900 KB |
Output is correct |
3 |
Correct |
25 ms |
23800 KB |
Output is correct |
4 |
Correct |
25 ms |
23800 KB |
Output is correct |
5 |
Correct |
25 ms |
23800 KB |
Output is correct |
6 |
Correct |
25 ms |
23928 KB |
Output is correct |
7 |
Correct |
26 ms |
23928 KB |
Output is correct |
8 |
Correct |
25 ms |
23900 KB |
Output is correct |
9 |
Correct |
26 ms |
23796 KB |
Output is correct |
10 |
Correct |
25 ms |
23932 KB |
Output is correct |
11 |
Correct |
28 ms |
24056 KB |
Output is correct |
12 |
Correct |
28 ms |
24184 KB |
Output is correct |
13 |
Correct |
27 ms |
24184 KB |
Output is correct |
14 |
Correct |
31 ms |
24312 KB |
Output is correct |
15 |
Correct |
29 ms |
24312 KB |
Output is correct |
16 |
Correct |
28 ms |
24188 KB |
Output is correct |
17 |
Correct |
29 ms |
24056 KB |
Output is correct |
18 |
Correct |
30 ms |
24056 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
962 ms |
69376 KB |
Output is correct |
2 |
Correct |
934 ms |
69624 KB |
Output is correct |
3 |
Correct |
933 ms |
69528 KB |
Output is correct |
4 |
Correct |
939 ms |
69508 KB |
Output is correct |
5 |
Correct |
771 ms |
49512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
103 ms |
28408 KB |
Output is correct |
2 |
Correct |
99 ms |
30352 KB |
Output is correct |
3 |
Correct |
88 ms |
28408 KB |
Output is correct |
4 |
Correct |
89 ms |
28436 KB |
Output is correct |
5 |
Correct |
89 ms |
28408 KB |
Output is correct |
6 |
Correct |
82 ms |
28408 KB |
Output is correct |
7 |
Correct |
82 ms |
28408 KB |
Output is correct |
8 |
Correct |
84 ms |
28792 KB |
Output is correct |
9 |
Correct |
68 ms |
27000 KB |
Output is correct |
10 |
Correct |
84 ms |
28408 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
29 ms |
23928 KB |
Output is correct |
2 |
Correct |
24 ms |
23900 KB |
Output is correct |
3 |
Correct |
25 ms |
23800 KB |
Output is correct |
4 |
Correct |
25 ms |
23800 KB |
Output is correct |
5 |
Correct |
25 ms |
23800 KB |
Output is correct |
6 |
Correct |
25 ms |
23928 KB |
Output is correct |
7 |
Correct |
26 ms |
23928 KB |
Output is correct |
8 |
Correct |
25 ms |
23900 KB |
Output is correct |
9 |
Correct |
26 ms |
23796 KB |
Output is correct |
10 |
Correct |
25 ms |
23932 KB |
Output is correct |
11 |
Correct |
28 ms |
24056 KB |
Output is correct |
12 |
Correct |
28 ms |
24184 KB |
Output is correct |
13 |
Correct |
27 ms |
24184 KB |
Output is correct |
14 |
Correct |
31 ms |
24312 KB |
Output is correct |
15 |
Correct |
29 ms |
24312 KB |
Output is correct |
16 |
Correct |
28 ms |
24188 KB |
Output is correct |
17 |
Correct |
29 ms |
24056 KB |
Output is correct |
18 |
Correct |
30 ms |
24056 KB |
Output is correct |
19 |
Correct |
209 ms |
39656 KB |
Output is correct |
20 |
Correct |
208 ms |
39672 KB |
Output is correct |
21 |
Correct |
196 ms |
39416 KB |
Output is correct |
22 |
Correct |
199 ms |
39472 KB |
Output is correct |
23 |
Correct |
198 ms |
39416 KB |
Output is correct |
24 |
Correct |
166 ms |
35364 KB |
Output is correct |
25 |
Correct |
166 ms |
35260 KB |
Output is correct |
26 |
Correct |
171 ms |
35520 KB |
Output is correct |
27 |
Correct |
174 ms |
35516 KB |
Output is correct |
28 |
Correct |
171 ms |
35576 KB |
Output is correct |
29 |
Correct |
175 ms |
35616 KB |
Output is correct |
30 |
Correct |
177 ms |
35812 KB |
Output is correct |
31 |
Correct |
177 ms |
35552 KB |
Output is correct |
32 |
Correct |
175 ms |
35576 KB |
Output is correct |
33 |
Correct |
184 ms |
35756 KB |
Output is correct |
34 |
Correct |
161 ms |
35192 KB |
Output is correct |
35 |
Correct |
179 ms |
35192 KB |
Output is correct |
36 |
Correct |
159 ms |
35128 KB |
Output is correct |
37 |
Correct |
160 ms |
35112 KB |
Output is correct |
38 |
Correct |
162 ms |
35192 KB |
Output is correct |
39 |
Correct |
168 ms |
35548 KB |
Output is correct |
40 |
Correct |
149 ms |
33528 KB |
Output is correct |
41 |
Correct |
157 ms |
34904 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
29 ms |
23928 KB |
Output is correct |
2 |
Correct |
24 ms |
23900 KB |
Output is correct |
3 |
Correct |
25 ms |
23800 KB |
Output is correct |
4 |
Correct |
25 ms |
23800 KB |
Output is correct |
5 |
Correct |
25 ms |
23800 KB |
Output is correct |
6 |
Correct |
25 ms |
23928 KB |
Output is correct |
7 |
Correct |
26 ms |
23928 KB |
Output is correct |
8 |
Correct |
25 ms |
23900 KB |
Output is correct |
9 |
Correct |
26 ms |
23796 KB |
Output is correct |
10 |
Correct |
25 ms |
23932 KB |
Output is correct |
11 |
Correct |
28 ms |
24056 KB |
Output is correct |
12 |
Correct |
28 ms |
24184 KB |
Output is correct |
13 |
Correct |
27 ms |
24184 KB |
Output is correct |
14 |
Correct |
31 ms |
24312 KB |
Output is correct |
15 |
Correct |
29 ms |
24312 KB |
Output is correct |
16 |
Correct |
28 ms |
24188 KB |
Output is correct |
17 |
Correct |
29 ms |
24056 KB |
Output is correct |
18 |
Correct |
30 ms |
24056 KB |
Output is correct |
19 |
Correct |
962 ms |
69376 KB |
Output is correct |
20 |
Correct |
934 ms |
69624 KB |
Output is correct |
21 |
Correct |
933 ms |
69528 KB |
Output is correct |
22 |
Correct |
939 ms |
69508 KB |
Output is correct |
23 |
Correct |
771 ms |
49512 KB |
Output is correct |
24 |
Correct |
103 ms |
28408 KB |
Output is correct |
25 |
Correct |
99 ms |
30352 KB |
Output is correct |
26 |
Correct |
88 ms |
28408 KB |
Output is correct |
27 |
Correct |
89 ms |
28436 KB |
Output is correct |
28 |
Correct |
89 ms |
28408 KB |
Output is correct |
29 |
Correct |
82 ms |
28408 KB |
Output is correct |
30 |
Correct |
82 ms |
28408 KB |
Output is correct |
31 |
Correct |
84 ms |
28792 KB |
Output is correct |
32 |
Correct |
68 ms |
27000 KB |
Output is correct |
33 |
Correct |
84 ms |
28408 KB |
Output is correct |
34 |
Correct |
209 ms |
39656 KB |
Output is correct |
35 |
Correct |
208 ms |
39672 KB |
Output is correct |
36 |
Correct |
196 ms |
39416 KB |
Output is correct |
37 |
Correct |
199 ms |
39472 KB |
Output is correct |
38 |
Correct |
198 ms |
39416 KB |
Output is correct |
39 |
Correct |
166 ms |
35364 KB |
Output is correct |
40 |
Correct |
166 ms |
35260 KB |
Output is correct |
41 |
Correct |
171 ms |
35520 KB |
Output is correct |
42 |
Correct |
174 ms |
35516 KB |
Output is correct |
43 |
Correct |
171 ms |
35576 KB |
Output is correct |
44 |
Correct |
175 ms |
35616 KB |
Output is correct |
45 |
Correct |
177 ms |
35812 KB |
Output is correct |
46 |
Correct |
177 ms |
35552 KB |
Output is correct |
47 |
Correct |
175 ms |
35576 KB |
Output is correct |
48 |
Correct |
184 ms |
35756 KB |
Output is correct |
49 |
Correct |
161 ms |
35192 KB |
Output is correct |
50 |
Correct |
179 ms |
35192 KB |
Output is correct |
51 |
Correct |
159 ms |
35128 KB |
Output is correct |
52 |
Correct |
160 ms |
35112 KB |
Output is correct |
53 |
Correct |
162 ms |
35192 KB |
Output is correct |
54 |
Correct |
168 ms |
35548 KB |
Output is correct |
55 |
Correct |
149 ms |
33528 KB |
Output is correct |
56 |
Correct |
157 ms |
34904 KB |
Output is correct |
57 |
Correct |
952 ms |
94948 KB |
Output is correct |
58 |
Correct |
963 ms |
94980 KB |
Output is correct |
59 |
Correct |
941 ms |
94968 KB |
Output is correct |
60 |
Correct |
930 ms |
94812 KB |
Output is correct |
61 |
Correct |
952 ms |
94756 KB |
Output is correct |
62 |
Correct |
942 ms |
94768 KB |
Output is correct |
63 |
Correct |
764 ms |
73592 KB |
Output is correct |
64 |
Correct |
858 ms |
73464 KB |
Output is correct |
65 |
Correct |
825 ms |
74344 KB |
Output is correct |
66 |
Correct |
802 ms |
74604 KB |
Output is correct |
67 |
Correct |
841 ms |
74108 KB |
Output is correct |
68 |
Correct |
795 ms |
73392 KB |
Output is correct |
69 |
Correct |
789 ms |
71688 KB |
Output is correct |
70 |
Correct |
790 ms |
70588 KB |
Output is correct |
71 |
Correct |
789 ms |
68872 KB |
Output is correct |
72 |
Correct |
793 ms |
69872 KB |
Output is correct |
73 |
Correct |
709 ms |
67244 KB |
Output is correct |
74 |
Correct |
710 ms |
63768 KB |
Output is correct |
75 |
Correct |
706 ms |
60832 KB |
Output is correct |
76 |
Correct |
703 ms |
63092 KB |
Output is correct |
77 |
Correct |
908 ms |
66000 KB |
Output is correct |
78 |
Correct |
772 ms |
76104 KB |
Output is correct |
79 |
Correct |
634 ms |
65808 KB |
Output is correct |
80 |
Correct |
825 ms |
72408 KB |
Output is correct |