#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define sz(v) (int)(v).size()
#define all(v) (v).begin(), v.end()
#define ff first
#define ss second
#define pii pair<int, int>
int main() {
ios::sync_with_stdio(false); cin.tie(nullptr);
int n, q;
cin >> n >> q;
vector<int> a(n);
for (auto &i : a)
cin >> i;
int sz = sqrt(n);
while (sz * sz < n) sz++;
while (sz * sz > n) sz--;
vector<int> b = a, v((n - 1) / sz + 1);
for (int i = 0; i < sz(v); i++) {
int mx = 0;
for (int j = i * sz; j < min(n, (i + 1) * sz); j++) {
if (a[j] < mx) v[i] = max(v[i], a[j] + mx);
mx = max(mx, a[j]);
}
// cout << i << ' ' << v[i] << ' ' << i * sz << ' ' << min(n, (i + 1) * sz) - 1 << '\n';
sort(b.begin() + i * sz, b.begin() + min(n, (i + 1) * sz));
}
// cout << "sz " << sz << endl;
while (q--) {
int l, r, k;
cin >> l >> r >> k; l--; r--;
if (l / sz == r / sz) {
int mx = 0;
bool tr = true;
for (int i = l; i <= r && tr; i++) {
tr = (a[i] >= mx || a[i] + mx <= k);
mx = max(mx, a[i]);
}
cout << tr << '\n';
continue;
}
int mx = 0;
bool tr = true;
for (int i = l; i < (l / sz + 1) * sz && tr; i++) {
tr = (a[i] >= mx || a[i] + mx <= k);
mx = max(mx, a[i]);
}
// cout << tr << ' ' << l << ' ' << (l / sz + 1) * sz << endl;
if (!tr) {
cout << "0\n";
continue;
}
for (int i = l / sz + 1; i < r / sz && tr; i++) {
int x = i * sz, y = (i + 1) * sz - 1;
tr = (max(v[i], (mx > b[x] ? mx + *--lower_bound(b.begin() + x, b.begin() + y + 1, mx) : 0)) <= k);
mx = max(mx, b[y]);
}
int x = r / sz * sz;
for (int i = x; i <= r && tr; i++) {
tr = (a[i] >= mx || a[i] + mx <= k);
mx = max(mx, a[i]);
}
// cout << x << ' ' << mx << ' ' << mx2 << ' ' << tr << endl;
cout << tr << '\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 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 |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 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 |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
2 ms |
604 KB |
Output is correct |
13 |
Correct |
1 ms |
604 KB |
Output is correct |
14 |
Correct |
2 ms |
588 KB |
Output is correct |
15 |
Correct |
2 ms |
604 KB |
Output is correct |
16 |
Correct |
2 ms |
604 KB |
Output is correct |
17 |
Correct |
3 ms |
348 KB |
Output is correct |
18 |
Correct |
2 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
339 ms |
42068 KB |
Output is correct |
2 |
Correct |
342 ms |
43092 KB |
Output is correct |
3 |
Correct |
354 ms |
42832 KB |
Output is correct |
4 |
Correct |
307 ms |
43092 KB |
Output is correct |
5 |
Correct |
1725 ms |
43028 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
50 ms |
3404 KB |
Output is correct |
2 |
Correct |
87 ms |
3332 KB |
Output is correct |
3 |
Correct |
72 ms |
3372 KB |
Output is correct |
4 |
Correct |
71 ms |
3268 KB |
Output is correct |
5 |
Correct |
65 ms |
3412 KB |
Output is correct |
6 |
Correct |
59 ms |
3152 KB |
Output is correct |
7 |
Correct |
65 ms |
3156 KB |
Output is correct |
8 |
Correct |
89 ms |
2896 KB |
Output is correct |
9 |
Correct |
23 ms |
1884 KB |
Output is correct |
10 |
Correct |
93 ms |
2924 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 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 |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
2 ms |
604 KB |
Output is correct |
13 |
Correct |
1 ms |
604 KB |
Output is correct |
14 |
Correct |
2 ms |
588 KB |
Output is correct |
15 |
Correct |
2 ms |
604 KB |
Output is correct |
16 |
Correct |
2 ms |
604 KB |
Output is correct |
17 |
Correct |
3 ms |
348 KB |
Output is correct |
18 |
Correct |
2 ms |
344 KB |
Output is correct |
19 |
Correct |
128 ms |
8892 KB |
Output is correct |
20 |
Correct |
126 ms |
8784 KB |
Output is correct |
21 |
Correct |
219 ms |
8788 KB |
Output is correct |
22 |
Correct |
232 ms |
8784 KB |
Output is correct |
23 |
Correct |
213 ms |
8696 KB |
Output is correct |
24 |
Correct |
221 ms |
8528 KB |
Output is correct |
25 |
Correct |
262 ms |
8532 KB |
Output is correct |
26 |
Correct |
227 ms |
8664 KB |
Output is correct |
27 |
Correct |
226 ms |
8812 KB |
Output is correct |
28 |
Correct |
217 ms |
8764 KB |
Output is correct |
29 |
Correct |
169 ms |
8760 KB |
Output is correct |
30 |
Correct |
173 ms |
8912 KB |
Output is correct |
31 |
Correct |
175 ms |
8784 KB |
Output is correct |
32 |
Correct |
179 ms |
8788 KB |
Output is correct |
33 |
Correct |
185 ms |
9108 KB |
Output is correct |
34 |
Correct |
187 ms |
8528 KB |
Output is correct |
35 |
Correct |
187 ms |
8444 KB |
Output is correct |
36 |
Correct |
198 ms |
8276 KB |
Output is correct |
37 |
Correct |
189 ms |
8272 KB |
Output is correct |
38 |
Correct |
195 ms |
8528 KB |
Output is correct |
39 |
Correct |
238 ms |
7504 KB |
Output is correct |
40 |
Correct |
230 ms |
6228 KB |
Output is correct |
41 |
Correct |
234 ms |
6880 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 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 |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
2 ms |
604 KB |
Output is correct |
13 |
Correct |
1 ms |
604 KB |
Output is correct |
14 |
Correct |
2 ms |
588 KB |
Output is correct |
15 |
Correct |
2 ms |
604 KB |
Output is correct |
16 |
Correct |
2 ms |
604 KB |
Output is correct |
17 |
Correct |
3 ms |
348 KB |
Output is correct |
18 |
Correct |
2 ms |
344 KB |
Output is correct |
19 |
Correct |
339 ms |
42068 KB |
Output is correct |
20 |
Correct |
342 ms |
43092 KB |
Output is correct |
21 |
Correct |
354 ms |
42832 KB |
Output is correct |
22 |
Correct |
307 ms |
43092 KB |
Output is correct |
23 |
Correct |
1725 ms |
43028 KB |
Output is correct |
24 |
Correct |
50 ms |
3404 KB |
Output is correct |
25 |
Correct |
87 ms |
3332 KB |
Output is correct |
26 |
Correct |
72 ms |
3372 KB |
Output is correct |
27 |
Correct |
71 ms |
3268 KB |
Output is correct |
28 |
Correct |
65 ms |
3412 KB |
Output is correct |
29 |
Correct |
59 ms |
3152 KB |
Output is correct |
30 |
Correct |
65 ms |
3156 KB |
Output is correct |
31 |
Correct |
89 ms |
2896 KB |
Output is correct |
32 |
Correct |
23 ms |
1884 KB |
Output is correct |
33 |
Correct |
93 ms |
2924 KB |
Output is correct |
34 |
Correct |
128 ms |
8892 KB |
Output is correct |
35 |
Correct |
126 ms |
8784 KB |
Output is correct |
36 |
Correct |
219 ms |
8788 KB |
Output is correct |
37 |
Correct |
232 ms |
8784 KB |
Output is correct |
38 |
Correct |
213 ms |
8696 KB |
Output is correct |
39 |
Correct |
221 ms |
8528 KB |
Output is correct |
40 |
Correct |
262 ms |
8532 KB |
Output is correct |
41 |
Correct |
227 ms |
8664 KB |
Output is correct |
42 |
Correct |
226 ms |
8812 KB |
Output is correct |
43 |
Correct |
217 ms |
8764 KB |
Output is correct |
44 |
Correct |
169 ms |
8760 KB |
Output is correct |
45 |
Correct |
173 ms |
8912 KB |
Output is correct |
46 |
Correct |
175 ms |
8784 KB |
Output is correct |
47 |
Correct |
179 ms |
8788 KB |
Output is correct |
48 |
Correct |
185 ms |
9108 KB |
Output is correct |
49 |
Correct |
187 ms |
8528 KB |
Output is correct |
50 |
Correct |
187 ms |
8444 KB |
Output is correct |
51 |
Correct |
198 ms |
8276 KB |
Output is correct |
52 |
Correct |
189 ms |
8272 KB |
Output is correct |
53 |
Correct |
195 ms |
8528 KB |
Output is correct |
54 |
Correct |
238 ms |
7504 KB |
Output is correct |
55 |
Correct |
230 ms |
6228 KB |
Output is correct |
56 |
Correct |
234 ms |
6880 KB |
Output is correct |
57 |
Correct |
1038 ms |
43744 KB |
Output is correct |
58 |
Correct |
1121 ms |
43752 KB |
Output is correct |
59 |
Correct |
1921 ms |
43668 KB |
Output is correct |
60 |
Correct |
1819 ms |
43660 KB |
Output is correct |
61 |
Correct |
1868 ms |
43600 KB |
Output is correct |
62 |
Correct |
1897 ms |
43568 KB |
Output is correct |
63 |
Correct |
2540 ms |
41864 KB |
Output is correct |
64 |
Correct |
2626 ms |
41768 KB |
Output is correct |
65 |
Correct |
2077 ms |
43524 KB |
Output is correct |
66 |
Correct |
2104 ms |
43604 KB |
Output is correct |
67 |
Correct |
2077 ms |
43332 KB |
Output is correct |
68 |
Correct |
1572 ms |
43708 KB |
Output is correct |
69 |
Correct |
1685 ms |
43748 KB |
Output is correct |
70 |
Correct |
1664 ms |
43860 KB |
Output is correct |
71 |
Correct |
1672 ms |
43760 KB |
Output is correct |
72 |
Correct |
1743 ms |
43776 KB |
Output is correct |
73 |
Correct |
1962 ms |
40204 KB |
Output is correct |
74 |
Correct |
2008 ms |
41312 KB |
Output is correct |
75 |
Correct |
1962 ms |
40400 KB |
Output is correct |
76 |
Correct |
1888 ms |
40276 KB |
Output is correct |
77 |
Correct |
2001 ms |
40280 KB |
Output is correct |
78 |
Correct |
2493 ms |
37720 KB |
Output is correct |
79 |
Correct |
2072 ms |
29008 KB |
Output is correct |
80 |
Execution timed out |
3017 ms |
34900 KB |
Time limit exceeded |
81 |
Halted |
0 ms |
0 KB |
- |