#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
const int N = 1e6 + 1;
const int mod = 1e9 + 7;
template <typename T>
bool umx(T& a, T b) {
return (a < b ? a = b, 1 : 0);
}
template <typename T>
bool umn(T& a, T b) {
return (a > b ? a = b, 1 : 0);
}
int t[4 * N];
vector<array<int,3>> query[N];
void update (int v, int tl, int tr, int pos, int x) {
if (tl == tr) {
umx (t[v], x);
return;
}
int tm = (tr + tl) >> 1;
if (pos <= tm) update (v << 1, tl, tm, pos, x);
else update (v << 1 | 1, tm + 1, tr, pos, x);
t[v] = max (t[v << 1], t[v << 1 | 1]);
}
int get (int v, int tl, int tr, int l, int r) {
if (l > r) return 0;
if (l == tl && r == tr) return t[v];
int tm = (tr + tl) >> 1;
return max (get (v << 1, tl, tm, l, min (r, tm)), get (v << 1 | 1, tm + 1, tr, max (l, tm + 1), r));
}
void solve () {
int n, q;
cin >> n >> q;
vector<int> w (n + 1);
for (int i = 1; i <= n; ++i) cin >> w[i];
for (int i = 1; i <= q; ++i) {
int l, r, k;
cin >> l >> r >> k;
query[r].push_back ({l, k, i});
}
vector<int> ans (q + 1);
vector<int> ve;
for (int right = 1; right <= n; ++right) {
while ((int)ve.size() && w[ve.back()] <= w[right]) {
ve.pop_back();
}
if ((int)ve.size()) update (1, 1, n, ve.back(), w[right] + w[ve.back()]);
ve.push_back(right);
for (auto [l, k, i] : query[right]) {
ans[i] = bool(get (1, 1, n, l, right) <= k);
}
}
for (int i = 1; i <= q; ++i) cout << ans[i] << '\n';
cout << endl;
}
signed main() {
#ifdef LOCAL
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#else
// freopen ("input.txt", "r", stdin);
// freopen ("output.txt", "w", stdout);
#endif
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int T = 1;
while (T--) solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
25176 KB |
Output is correct |
2 |
Correct |
8 ms |
25176 KB |
Output is correct |
3 |
Correct |
6 ms |
25180 KB |
Output is correct |
4 |
Correct |
6 ms |
25192 KB |
Output is correct |
5 |
Correct |
6 ms |
25180 KB |
Output is correct |
6 |
Correct |
6 ms |
25228 KB |
Output is correct |
7 |
Correct |
6 ms |
25180 KB |
Output is correct |
8 |
Correct |
6 ms |
25180 KB |
Output is correct |
9 |
Correct |
6 ms |
25176 KB |
Output is correct |
10 |
Correct |
7 ms |
25176 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
25176 KB |
Output is correct |
2 |
Correct |
8 ms |
25176 KB |
Output is correct |
3 |
Correct |
6 ms |
25180 KB |
Output is correct |
4 |
Correct |
6 ms |
25192 KB |
Output is correct |
5 |
Correct |
6 ms |
25180 KB |
Output is correct |
6 |
Correct |
6 ms |
25228 KB |
Output is correct |
7 |
Correct |
6 ms |
25180 KB |
Output is correct |
8 |
Correct |
6 ms |
25180 KB |
Output is correct |
9 |
Correct |
6 ms |
25176 KB |
Output is correct |
10 |
Correct |
7 ms |
25176 KB |
Output is correct |
11 |
Correct |
9 ms |
25180 KB |
Output is correct |
12 |
Correct |
8 ms |
25180 KB |
Output is correct |
13 |
Correct |
8 ms |
25180 KB |
Output is correct |
14 |
Correct |
11 ms |
25296 KB |
Output is correct |
15 |
Correct |
9 ms |
25176 KB |
Output is correct |
16 |
Correct |
8 ms |
25180 KB |
Output is correct |
17 |
Correct |
8 ms |
25180 KB |
Output is correct |
18 |
Correct |
9 ms |
25404 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1109 ms |
85592 KB |
Output is correct |
2 |
Correct |
1106 ms |
96568 KB |
Output is correct |
3 |
Correct |
1120 ms |
96248 KB |
Output is correct |
4 |
Correct |
1092 ms |
96460 KB |
Output is correct |
5 |
Correct |
943 ms |
89680 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
74 ms |
28152 KB |
Output is correct |
2 |
Correct |
69 ms |
27960 KB |
Output is correct |
3 |
Correct |
67 ms |
28244 KB |
Output is correct |
4 |
Correct |
75 ms |
28264 KB |
Output is correct |
5 |
Correct |
69 ms |
28156 KB |
Output is correct |
6 |
Correct |
54 ms |
27760 KB |
Output is correct |
7 |
Correct |
55 ms |
27736 KB |
Output is correct |
8 |
Correct |
58 ms |
28168 KB |
Output is correct |
9 |
Correct |
36 ms |
27200 KB |
Output is correct |
10 |
Correct |
57 ms |
28052 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
25176 KB |
Output is correct |
2 |
Correct |
8 ms |
25176 KB |
Output is correct |
3 |
Correct |
6 ms |
25180 KB |
Output is correct |
4 |
Correct |
6 ms |
25192 KB |
Output is correct |
5 |
Correct |
6 ms |
25180 KB |
Output is correct |
6 |
Correct |
6 ms |
25228 KB |
Output is correct |
7 |
Correct |
6 ms |
25180 KB |
Output is correct |
8 |
Correct |
6 ms |
25180 KB |
Output is correct |
9 |
Correct |
6 ms |
25176 KB |
Output is correct |
10 |
Correct |
7 ms |
25176 KB |
Output is correct |
11 |
Correct |
9 ms |
25180 KB |
Output is correct |
12 |
Correct |
8 ms |
25180 KB |
Output is correct |
13 |
Correct |
8 ms |
25180 KB |
Output is correct |
14 |
Correct |
11 ms |
25296 KB |
Output is correct |
15 |
Correct |
9 ms |
25176 KB |
Output is correct |
16 |
Correct |
8 ms |
25180 KB |
Output is correct |
17 |
Correct |
8 ms |
25180 KB |
Output is correct |
18 |
Correct |
9 ms |
25404 KB |
Output is correct |
19 |
Correct |
163 ms |
36548 KB |
Output is correct |
20 |
Correct |
201 ms |
38584 KB |
Output is correct |
21 |
Correct |
157 ms |
38120 KB |
Output is correct |
22 |
Correct |
165 ms |
37968 KB |
Output is correct |
23 |
Correct |
153 ms |
37972 KB |
Output is correct |
24 |
Correct |
126 ms |
37164 KB |
Output is correct |
25 |
Correct |
126 ms |
37120 KB |
Output is correct |
26 |
Correct |
148 ms |
37500 KB |
Output is correct |
27 |
Correct |
134 ms |
37472 KB |
Output is correct |
28 |
Correct |
173 ms |
37548 KB |
Output is correct |
29 |
Correct |
154 ms |
38068 KB |
Output is correct |
30 |
Correct |
155 ms |
37988 KB |
Output is correct |
31 |
Correct |
168 ms |
37904 KB |
Output is correct |
32 |
Correct |
156 ms |
37880 KB |
Output is correct |
33 |
Correct |
144 ms |
38040 KB |
Output is correct |
34 |
Correct |
118 ms |
36656 KB |
Output is correct |
35 |
Correct |
117 ms |
36692 KB |
Output is correct |
36 |
Correct |
126 ms |
36388 KB |
Output is correct |
37 |
Correct |
116 ms |
36472 KB |
Output is correct |
38 |
Correct |
121 ms |
36672 KB |
Output is correct |
39 |
Correct |
145 ms |
37020 KB |
Output is correct |
40 |
Correct |
101 ms |
34908 KB |
Output is correct |
41 |
Correct |
123 ms |
35844 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
25176 KB |
Output is correct |
2 |
Correct |
8 ms |
25176 KB |
Output is correct |
3 |
Correct |
6 ms |
25180 KB |
Output is correct |
4 |
Correct |
6 ms |
25192 KB |
Output is correct |
5 |
Correct |
6 ms |
25180 KB |
Output is correct |
6 |
Correct |
6 ms |
25228 KB |
Output is correct |
7 |
Correct |
6 ms |
25180 KB |
Output is correct |
8 |
Correct |
6 ms |
25180 KB |
Output is correct |
9 |
Correct |
6 ms |
25176 KB |
Output is correct |
10 |
Correct |
7 ms |
25176 KB |
Output is correct |
11 |
Correct |
9 ms |
25180 KB |
Output is correct |
12 |
Correct |
8 ms |
25180 KB |
Output is correct |
13 |
Correct |
8 ms |
25180 KB |
Output is correct |
14 |
Correct |
11 ms |
25296 KB |
Output is correct |
15 |
Correct |
9 ms |
25176 KB |
Output is correct |
16 |
Correct |
8 ms |
25180 KB |
Output is correct |
17 |
Correct |
8 ms |
25180 KB |
Output is correct |
18 |
Correct |
9 ms |
25404 KB |
Output is correct |
19 |
Correct |
1109 ms |
85592 KB |
Output is correct |
20 |
Correct |
1106 ms |
96568 KB |
Output is correct |
21 |
Correct |
1120 ms |
96248 KB |
Output is correct |
22 |
Correct |
1092 ms |
96460 KB |
Output is correct |
23 |
Correct |
943 ms |
89680 KB |
Output is correct |
24 |
Correct |
74 ms |
28152 KB |
Output is correct |
25 |
Correct |
69 ms |
27960 KB |
Output is correct |
26 |
Correct |
67 ms |
28244 KB |
Output is correct |
27 |
Correct |
75 ms |
28264 KB |
Output is correct |
28 |
Correct |
69 ms |
28156 KB |
Output is correct |
29 |
Correct |
54 ms |
27760 KB |
Output is correct |
30 |
Correct |
55 ms |
27736 KB |
Output is correct |
31 |
Correct |
58 ms |
28168 KB |
Output is correct |
32 |
Correct |
36 ms |
27200 KB |
Output is correct |
33 |
Correct |
57 ms |
28052 KB |
Output is correct |
34 |
Correct |
163 ms |
36548 KB |
Output is correct |
35 |
Correct |
201 ms |
38584 KB |
Output is correct |
36 |
Correct |
157 ms |
38120 KB |
Output is correct |
37 |
Correct |
165 ms |
37968 KB |
Output is correct |
38 |
Correct |
153 ms |
37972 KB |
Output is correct |
39 |
Correct |
126 ms |
37164 KB |
Output is correct |
40 |
Correct |
126 ms |
37120 KB |
Output is correct |
41 |
Correct |
148 ms |
37500 KB |
Output is correct |
42 |
Correct |
134 ms |
37472 KB |
Output is correct |
43 |
Correct |
173 ms |
37548 KB |
Output is correct |
44 |
Correct |
154 ms |
38068 KB |
Output is correct |
45 |
Correct |
155 ms |
37988 KB |
Output is correct |
46 |
Correct |
168 ms |
37904 KB |
Output is correct |
47 |
Correct |
156 ms |
37880 KB |
Output is correct |
48 |
Correct |
144 ms |
38040 KB |
Output is correct |
49 |
Correct |
118 ms |
36656 KB |
Output is correct |
50 |
Correct |
117 ms |
36692 KB |
Output is correct |
51 |
Correct |
126 ms |
36388 KB |
Output is correct |
52 |
Correct |
116 ms |
36472 KB |
Output is correct |
53 |
Correct |
121 ms |
36672 KB |
Output is correct |
54 |
Correct |
145 ms |
37020 KB |
Output is correct |
55 |
Correct |
101 ms |
34908 KB |
Output is correct |
56 |
Correct |
123 ms |
35844 KB |
Output is correct |
57 |
Correct |
1194 ms |
96584 KB |
Output is correct |
58 |
Correct |
1095 ms |
96576 KB |
Output is correct |
59 |
Correct |
1020 ms |
95040 KB |
Output is correct |
60 |
Correct |
1145 ms |
95068 KB |
Output is correct |
61 |
Correct |
1052 ms |
95128 KB |
Output is correct |
62 |
Correct |
1049 ms |
95096 KB |
Output is correct |
63 |
Correct |
659 ms |
85072 KB |
Output is correct |
64 |
Correct |
708 ms |
84912 KB |
Output is correct |
65 |
Correct |
863 ms |
88024 KB |
Output is correct |
66 |
Correct |
843 ms |
87996 KB |
Output is correct |
67 |
Correct |
888 ms |
88092 KB |
Output is correct |
68 |
Correct |
948 ms |
89704 KB |
Output is correct |
69 |
Correct |
939 ms |
89600 KB |
Output is correct |
70 |
Correct |
929 ms |
89400 KB |
Output is correct |
71 |
Correct |
910 ms |
89156 KB |
Output is correct |
72 |
Correct |
964 ms |
89656 KB |
Output is correct |
73 |
Correct |
574 ms |
80876 KB |
Output is correct |
74 |
Correct |
617 ms |
81780 KB |
Output is correct |
75 |
Correct |
583 ms |
80896 KB |
Output is correct |
76 |
Correct |
606 ms |
81264 KB |
Output is correct |
77 |
Correct |
595 ms |
80736 KB |
Output is correct |
78 |
Correct |
798 ms |
84156 KB |
Output is correct |
79 |
Correct |
605 ms |
73012 KB |
Output is correct |
80 |
Correct |
775 ms |
80600 KB |
Output is correct |