#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
#define TASK ""
#define ALL(x) (x).begin(), (x).end()
using namespace std;
template <typename T1, typename T2> bool mini(T1 &a, T2 b) {
if (a > b) {a = b; return true;} return false;
}
template <typename T1, typename T2> bool maxi(T1 &a, T2 b) {
if (a < b) {a = b; return true;} return false;
}
const int N = 1e6 + 5;
const int oo = 1e9;
const long long ooo = 1e18;
const int mod = 1e9 + 7; // 998244353;
const long double pi = acos(-1);
vector <int> ind[N];
vector <int> qr[N];
int bit[N];
int ans[N];
int a[N];
int r[N];
int w[N];
int n,q;
void update(int pos, int val) {
for (; pos <= n; pos += pos & -pos)
maxi(bit[pos], val);
}
int getmax(int pos) {
int res = 0;
for (; pos; pos -= pos & -pos)
maxi(res, bit[pos]);
return res;
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
#ifdef ONLINE_JUDGE
// freopen(TASK".inp","r",stdin);
// freopen(TASK".out","w",stdout);
#endif
cin >> n >> q;
for (int i = 1; i <= n; i++)
cin >> a[i];
for (int i = 1; i <= q; i++) {
int l;
cin >> l >> r[i] >> w[i];
qr[l].push_back(i);
}
a[0] = 2 * oo;
vector <int> s(1, 0);
for (int i = 1; i <= n; i++) {
while (s.size() && a[i] >= a[s.back()])
s.pop_back();
ind[s.back()].push_back(i);
s.push_back(i);
}
for (int i = n; i >= 1; i--) {
for (int j : ind[i])
update(j, a[i] + a[j]);
for (int id : qr[i])
ans[id] = (getmax(r[id]) <= w[id]);
}
for (int i = 1; i <= q; i++)
cout << ans[i] << "\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
47308 KB |
Output is correct |
2 |
Correct |
27 ms |
47296 KB |
Output is correct |
3 |
Correct |
23 ms |
47272 KB |
Output is correct |
4 |
Correct |
25 ms |
47212 KB |
Output is correct |
5 |
Correct |
24 ms |
47276 KB |
Output is correct |
6 |
Correct |
22 ms |
47316 KB |
Output is correct |
7 |
Correct |
24 ms |
47316 KB |
Output is correct |
8 |
Correct |
27 ms |
47336 KB |
Output is correct |
9 |
Correct |
23 ms |
47332 KB |
Output is correct |
10 |
Correct |
23 ms |
47316 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
47308 KB |
Output is correct |
2 |
Correct |
27 ms |
47296 KB |
Output is correct |
3 |
Correct |
23 ms |
47272 KB |
Output is correct |
4 |
Correct |
25 ms |
47212 KB |
Output is correct |
5 |
Correct |
24 ms |
47276 KB |
Output is correct |
6 |
Correct |
22 ms |
47316 KB |
Output is correct |
7 |
Correct |
24 ms |
47316 KB |
Output is correct |
8 |
Correct |
27 ms |
47336 KB |
Output is correct |
9 |
Correct |
23 ms |
47332 KB |
Output is correct |
10 |
Correct |
23 ms |
47316 KB |
Output is correct |
11 |
Correct |
25 ms |
47380 KB |
Output is correct |
12 |
Correct |
25 ms |
47584 KB |
Output is correct |
13 |
Correct |
28 ms |
47640 KB |
Output is correct |
14 |
Correct |
30 ms |
47748 KB |
Output is correct |
15 |
Correct |
28 ms |
47676 KB |
Output is correct |
16 |
Correct |
27 ms |
47604 KB |
Output is correct |
17 |
Correct |
24 ms |
47552 KB |
Output is correct |
18 |
Correct |
32 ms |
47696 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1020 ms |
134936 KB |
Output is correct |
2 |
Correct |
969 ms |
127452 KB |
Output is correct |
3 |
Correct |
968 ms |
127360 KB |
Output is correct |
4 |
Correct |
974 ms |
127652 KB |
Output is correct |
5 |
Correct |
866 ms |
111504 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
86 ms |
54988 KB |
Output is correct |
2 |
Correct |
80 ms |
53784 KB |
Output is correct |
3 |
Correct |
73 ms |
53280 KB |
Output is correct |
4 |
Correct |
75 ms |
53484 KB |
Output is correct |
5 |
Correct |
76 ms |
53560 KB |
Output is correct |
6 |
Correct |
62 ms |
52008 KB |
Output is correct |
7 |
Correct |
64 ms |
51948 KB |
Output is correct |
8 |
Correct |
69 ms |
52788 KB |
Output is correct |
9 |
Correct |
54 ms |
50536 KB |
Output is correct |
10 |
Correct |
70 ms |
52640 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
47308 KB |
Output is correct |
2 |
Correct |
27 ms |
47296 KB |
Output is correct |
3 |
Correct |
23 ms |
47272 KB |
Output is correct |
4 |
Correct |
25 ms |
47212 KB |
Output is correct |
5 |
Correct |
24 ms |
47276 KB |
Output is correct |
6 |
Correct |
22 ms |
47316 KB |
Output is correct |
7 |
Correct |
24 ms |
47316 KB |
Output is correct |
8 |
Correct |
27 ms |
47336 KB |
Output is correct |
9 |
Correct |
23 ms |
47332 KB |
Output is correct |
10 |
Correct |
23 ms |
47316 KB |
Output is correct |
11 |
Correct |
25 ms |
47380 KB |
Output is correct |
12 |
Correct |
25 ms |
47584 KB |
Output is correct |
13 |
Correct |
28 ms |
47640 KB |
Output is correct |
14 |
Correct |
30 ms |
47748 KB |
Output is correct |
15 |
Correct |
28 ms |
47676 KB |
Output is correct |
16 |
Correct |
27 ms |
47604 KB |
Output is correct |
17 |
Correct |
24 ms |
47552 KB |
Output is correct |
18 |
Correct |
32 ms |
47696 KB |
Output is correct |
19 |
Correct |
183 ms |
65364 KB |
Output is correct |
20 |
Correct |
176 ms |
65356 KB |
Output is correct |
21 |
Correct |
153 ms |
62860 KB |
Output is correct |
22 |
Correct |
152 ms |
62668 KB |
Output is correct |
23 |
Correct |
147 ms |
62684 KB |
Output is correct |
24 |
Correct |
129 ms |
59700 KB |
Output is correct |
25 |
Correct |
133 ms |
59568 KB |
Output is correct |
26 |
Correct |
141 ms |
60480 KB |
Output is correct |
27 |
Correct |
151 ms |
60484 KB |
Output is correct |
28 |
Correct |
149 ms |
60944 KB |
Output is correct |
29 |
Correct |
169 ms |
62276 KB |
Output is correct |
30 |
Correct |
162 ms |
62216 KB |
Output is correct |
31 |
Correct |
157 ms |
62136 KB |
Output is correct |
32 |
Correct |
161 ms |
62232 KB |
Output is correct |
33 |
Correct |
155 ms |
62156 KB |
Output is correct |
34 |
Correct |
125 ms |
59044 KB |
Output is correct |
35 |
Correct |
134 ms |
59072 KB |
Output is correct |
36 |
Correct |
121 ms |
58928 KB |
Output is correct |
37 |
Correct |
124 ms |
58816 KB |
Output is correct |
38 |
Correct |
125 ms |
59032 KB |
Output is correct |
39 |
Correct |
143 ms |
60360 KB |
Output is correct |
40 |
Correct |
128 ms |
58176 KB |
Output is correct |
41 |
Correct |
143 ms |
59600 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
47308 KB |
Output is correct |
2 |
Correct |
27 ms |
47296 KB |
Output is correct |
3 |
Correct |
23 ms |
47272 KB |
Output is correct |
4 |
Correct |
25 ms |
47212 KB |
Output is correct |
5 |
Correct |
24 ms |
47276 KB |
Output is correct |
6 |
Correct |
22 ms |
47316 KB |
Output is correct |
7 |
Correct |
24 ms |
47316 KB |
Output is correct |
8 |
Correct |
27 ms |
47336 KB |
Output is correct |
9 |
Correct |
23 ms |
47332 KB |
Output is correct |
10 |
Correct |
23 ms |
47316 KB |
Output is correct |
11 |
Correct |
25 ms |
47380 KB |
Output is correct |
12 |
Correct |
25 ms |
47584 KB |
Output is correct |
13 |
Correct |
28 ms |
47640 KB |
Output is correct |
14 |
Correct |
30 ms |
47748 KB |
Output is correct |
15 |
Correct |
28 ms |
47676 KB |
Output is correct |
16 |
Correct |
27 ms |
47604 KB |
Output is correct |
17 |
Correct |
24 ms |
47552 KB |
Output is correct |
18 |
Correct |
32 ms |
47696 KB |
Output is correct |
19 |
Correct |
1020 ms |
134936 KB |
Output is correct |
20 |
Correct |
969 ms |
127452 KB |
Output is correct |
21 |
Correct |
968 ms |
127360 KB |
Output is correct |
22 |
Correct |
974 ms |
127652 KB |
Output is correct |
23 |
Correct |
866 ms |
111504 KB |
Output is correct |
24 |
Correct |
86 ms |
54988 KB |
Output is correct |
25 |
Correct |
80 ms |
53784 KB |
Output is correct |
26 |
Correct |
73 ms |
53280 KB |
Output is correct |
27 |
Correct |
75 ms |
53484 KB |
Output is correct |
28 |
Correct |
76 ms |
53560 KB |
Output is correct |
29 |
Correct |
62 ms |
52008 KB |
Output is correct |
30 |
Correct |
64 ms |
51948 KB |
Output is correct |
31 |
Correct |
69 ms |
52788 KB |
Output is correct |
32 |
Correct |
54 ms |
50536 KB |
Output is correct |
33 |
Correct |
70 ms |
52640 KB |
Output is correct |
34 |
Correct |
183 ms |
65364 KB |
Output is correct |
35 |
Correct |
176 ms |
65356 KB |
Output is correct |
36 |
Correct |
153 ms |
62860 KB |
Output is correct |
37 |
Correct |
152 ms |
62668 KB |
Output is correct |
38 |
Correct |
147 ms |
62684 KB |
Output is correct |
39 |
Correct |
129 ms |
59700 KB |
Output is correct |
40 |
Correct |
133 ms |
59568 KB |
Output is correct |
41 |
Correct |
141 ms |
60480 KB |
Output is correct |
42 |
Correct |
151 ms |
60484 KB |
Output is correct |
43 |
Correct |
149 ms |
60944 KB |
Output is correct |
44 |
Correct |
169 ms |
62276 KB |
Output is correct |
45 |
Correct |
162 ms |
62216 KB |
Output is correct |
46 |
Correct |
157 ms |
62136 KB |
Output is correct |
47 |
Correct |
161 ms |
62232 KB |
Output is correct |
48 |
Correct |
155 ms |
62156 KB |
Output is correct |
49 |
Correct |
125 ms |
59044 KB |
Output is correct |
50 |
Correct |
134 ms |
59072 KB |
Output is correct |
51 |
Correct |
121 ms |
58928 KB |
Output is correct |
52 |
Correct |
124 ms |
58816 KB |
Output is correct |
53 |
Correct |
125 ms |
59032 KB |
Output is correct |
54 |
Correct |
143 ms |
60360 KB |
Output is correct |
55 |
Correct |
128 ms |
58176 KB |
Output is correct |
56 |
Correct |
143 ms |
59600 KB |
Output is correct |
57 |
Correct |
1046 ms |
126912 KB |
Output is correct |
58 |
Correct |
1006 ms |
127324 KB |
Output is correct |
59 |
Correct |
930 ms |
121684 KB |
Output is correct |
60 |
Correct |
934 ms |
121576 KB |
Output is correct |
61 |
Correct |
961 ms |
121664 KB |
Output is correct |
62 |
Correct |
944 ms |
121804 KB |
Output is correct |
63 |
Correct |
592 ms |
106280 KB |
Output is correct |
64 |
Correct |
614 ms |
106232 KB |
Output is correct |
65 |
Correct |
846 ms |
105452 KB |
Output is correct |
66 |
Correct |
841 ms |
105244 KB |
Output is correct |
67 |
Correct |
843 ms |
105896 KB |
Output is correct |
68 |
Correct |
874 ms |
111680 KB |
Output is correct |
69 |
Correct |
876 ms |
111588 KB |
Output is correct |
70 |
Correct |
883 ms |
110996 KB |
Output is correct |
71 |
Correct |
872 ms |
110888 KB |
Output is correct |
72 |
Correct |
926 ms |
111128 KB |
Output is correct |
73 |
Correct |
548 ms |
104900 KB |
Output is correct |
74 |
Correct |
572 ms |
105664 KB |
Output is correct |
75 |
Correct |
561 ms |
104672 KB |
Output is correct |
76 |
Correct |
557 ms |
104748 KB |
Output is correct |
77 |
Correct |
594 ms |
104940 KB |
Output is correct |
78 |
Correct |
753 ms |
114272 KB |
Output is correct |
79 |
Correct |
591 ms |
99968 KB |
Output is correct |
80 |
Correct |
757 ms |
110112 KB |
Output is correct |