#include <bits/stdc++.h>
using namespace std;
int t[4000005];
void update(int v, int tl, int tr, int pos, int val){
if (tl == tr){
t[v] = max(t[v], val);
return;
}
int tm = (tl + tr) >> 1;
if (pos <= tm) update(v + v, tl, tm, pos, val); else
update(v + v + 1, tm + 1, tr, pos, val);
t[v] = max(t[v + v], t[v + v + 1]);
}
int get(int v, int tl, int tr, int l, int r){
if (l <= tl && tr <= r) return t[v];
if (tl > r || tr < l) return 0;
int tm = (tl + tr) >> 1;
return max(get(v + v, tl, tm, l, r), get(v + v + 1, tm + 1, tr, l, r));
}
int a[1000005];
vector<pair<int, pair<int, int>>> queries[1000005];
int main() {
ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
int n, q;
cin >> n >> q;
for (int i = 1; i <= n; i++){
cin >> a[i];
}
for (int i = 1; i <= q; i++){
int l, r, k;
cin >> l >> r >> k;
queries[r].emplace_back(l, make_pair(k, i));
}
bitset<1000001> ans;
a[0] = 2e9;
stack<int> st;
st.push(0);
for (int i = 1; i <= n; i++){
while (a[st.top()] <= a[i]) st.pop();
int j = st.top();
if (j != 0) update(1, 1, n, j, a[j] + a[i]);
for (auto qu : queries[i]){
int l = qu.first, k = qu.second.first, ind = qu.second.second;
ans[ind] = get(1, 1, n, l, i) <= k;
}
st.push(i);
}
for (int i = 1; i <= q; i++) cout << ans[i] << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
12 ms |
23884 KB |
Output is correct |
2 |
Correct |
16 ms |
23804 KB |
Output is correct |
3 |
Correct |
14 ms |
23884 KB |
Output is correct |
4 |
Correct |
13 ms |
23940 KB |
Output is correct |
5 |
Correct |
13 ms |
23808 KB |
Output is correct |
6 |
Correct |
16 ms |
23844 KB |
Output is correct |
7 |
Correct |
16 ms |
23884 KB |
Output is correct |
8 |
Correct |
12 ms |
23884 KB |
Output is correct |
9 |
Correct |
13 ms |
23884 KB |
Output is correct |
10 |
Correct |
13 ms |
23884 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
12 ms |
23884 KB |
Output is correct |
2 |
Correct |
16 ms |
23804 KB |
Output is correct |
3 |
Correct |
14 ms |
23884 KB |
Output is correct |
4 |
Correct |
13 ms |
23940 KB |
Output is correct |
5 |
Correct |
13 ms |
23808 KB |
Output is correct |
6 |
Correct |
16 ms |
23844 KB |
Output is correct |
7 |
Correct |
16 ms |
23884 KB |
Output is correct |
8 |
Correct |
12 ms |
23884 KB |
Output is correct |
9 |
Correct |
13 ms |
23884 KB |
Output is correct |
10 |
Correct |
13 ms |
23884 KB |
Output is correct |
11 |
Correct |
14 ms |
23924 KB |
Output is correct |
12 |
Correct |
15 ms |
24012 KB |
Output is correct |
13 |
Correct |
15 ms |
24036 KB |
Output is correct |
14 |
Correct |
16 ms |
24028 KB |
Output is correct |
15 |
Correct |
16 ms |
24140 KB |
Output is correct |
16 |
Correct |
17 ms |
24100 KB |
Output is correct |
17 |
Correct |
19 ms |
24012 KB |
Output is correct |
18 |
Correct |
16 ms |
24012 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1229 ms |
59704 KB |
Output is correct |
2 |
Correct |
1264 ms |
66924 KB |
Output is correct |
3 |
Correct |
1303 ms |
66996 KB |
Output is correct |
4 |
Correct |
1225 ms |
67012 KB |
Output is correct |
5 |
Correct |
1115 ms |
58828 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
95 ms |
27592 KB |
Output is correct |
2 |
Correct |
91 ms |
27488 KB |
Output is correct |
3 |
Correct |
79 ms |
26456 KB |
Output is correct |
4 |
Correct |
81 ms |
26564 KB |
Output is correct |
5 |
Correct |
85 ms |
26616 KB |
Output is correct |
6 |
Correct |
89 ms |
26112 KB |
Output is correct |
7 |
Correct |
73 ms |
26172 KB |
Output is correct |
8 |
Correct |
79 ms |
26624 KB |
Output is correct |
9 |
Correct |
47 ms |
25572 KB |
Output is correct |
10 |
Correct |
81 ms |
26560 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
12 ms |
23884 KB |
Output is correct |
2 |
Correct |
16 ms |
23804 KB |
Output is correct |
3 |
Correct |
14 ms |
23884 KB |
Output is correct |
4 |
Correct |
13 ms |
23940 KB |
Output is correct |
5 |
Correct |
13 ms |
23808 KB |
Output is correct |
6 |
Correct |
16 ms |
23844 KB |
Output is correct |
7 |
Correct |
16 ms |
23884 KB |
Output is correct |
8 |
Correct |
12 ms |
23884 KB |
Output is correct |
9 |
Correct |
13 ms |
23884 KB |
Output is correct |
10 |
Correct |
13 ms |
23884 KB |
Output is correct |
11 |
Correct |
14 ms |
23924 KB |
Output is correct |
12 |
Correct |
15 ms |
24012 KB |
Output is correct |
13 |
Correct |
15 ms |
24036 KB |
Output is correct |
14 |
Correct |
16 ms |
24028 KB |
Output is correct |
15 |
Correct |
16 ms |
24140 KB |
Output is correct |
16 |
Correct |
17 ms |
24100 KB |
Output is correct |
17 |
Correct |
19 ms |
24012 KB |
Output is correct |
18 |
Correct |
16 ms |
24012 KB |
Output is correct |
19 |
Correct |
205 ms |
31336 KB |
Output is correct |
20 |
Correct |
220 ms |
31332 KB |
Output is correct |
21 |
Correct |
201 ms |
30892 KB |
Output is correct |
22 |
Correct |
183 ms |
30876 KB |
Output is correct |
23 |
Correct |
205 ms |
30780 KB |
Output is correct |
24 |
Correct |
161 ms |
28768 KB |
Output is correct |
25 |
Correct |
147 ms |
28740 KB |
Output is correct |
26 |
Correct |
181 ms |
28952 KB |
Output is correct |
27 |
Correct |
181 ms |
28912 KB |
Output is correct |
28 |
Correct |
167 ms |
29036 KB |
Output is correct |
29 |
Correct |
177 ms |
29252 KB |
Output is correct |
30 |
Correct |
211 ms |
29304 KB |
Output is correct |
31 |
Correct |
182 ms |
29240 KB |
Output is correct |
32 |
Correct |
205 ms |
29296 KB |
Output is correct |
33 |
Correct |
195 ms |
29284 KB |
Output is correct |
34 |
Correct |
142 ms |
28500 KB |
Output is correct |
35 |
Correct |
152 ms |
28404 KB |
Output is correct |
36 |
Correct |
161 ms |
28532 KB |
Output is correct |
37 |
Correct |
138 ms |
28372 KB |
Output is correct |
38 |
Correct |
154 ms |
28392 KB |
Output is correct |
39 |
Correct |
160 ms |
29692 KB |
Output is correct |
40 |
Correct |
132 ms |
28512 KB |
Output is correct |
41 |
Correct |
154 ms |
29216 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
12 ms |
23884 KB |
Output is correct |
2 |
Correct |
16 ms |
23804 KB |
Output is correct |
3 |
Correct |
14 ms |
23884 KB |
Output is correct |
4 |
Correct |
13 ms |
23940 KB |
Output is correct |
5 |
Correct |
13 ms |
23808 KB |
Output is correct |
6 |
Correct |
16 ms |
23844 KB |
Output is correct |
7 |
Correct |
16 ms |
23884 KB |
Output is correct |
8 |
Correct |
12 ms |
23884 KB |
Output is correct |
9 |
Correct |
13 ms |
23884 KB |
Output is correct |
10 |
Correct |
13 ms |
23884 KB |
Output is correct |
11 |
Correct |
14 ms |
23924 KB |
Output is correct |
12 |
Correct |
15 ms |
24012 KB |
Output is correct |
13 |
Correct |
15 ms |
24036 KB |
Output is correct |
14 |
Correct |
16 ms |
24028 KB |
Output is correct |
15 |
Correct |
16 ms |
24140 KB |
Output is correct |
16 |
Correct |
17 ms |
24100 KB |
Output is correct |
17 |
Correct |
19 ms |
24012 KB |
Output is correct |
18 |
Correct |
16 ms |
24012 KB |
Output is correct |
19 |
Correct |
1229 ms |
59704 KB |
Output is correct |
20 |
Correct |
1264 ms |
66924 KB |
Output is correct |
21 |
Correct |
1303 ms |
66996 KB |
Output is correct |
22 |
Correct |
1225 ms |
67012 KB |
Output is correct |
23 |
Correct |
1115 ms |
58828 KB |
Output is correct |
24 |
Correct |
95 ms |
27592 KB |
Output is correct |
25 |
Correct |
91 ms |
27488 KB |
Output is correct |
26 |
Correct |
79 ms |
26456 KB |
Output is correct |
27 |
Correct |
81 ms |
26564 KB |
Output is correct |
28 |
Correct |
85 ms |
26616 KB |
Output is correct |
29 |
Correct |
89 ms |
26112 KB |
Output is correct |
30 |
Correct |
73 ms |
26172 KB |
Output is correct |
31 |
Correct |
79 ms |
26624 KB |
Output is correct |
32 |
Correct |
47 ms |
25572 KB |
Output is correct |
33 |
Correct |
81 ms |
26560 KB |
Output is correct |
34 |
Correct |
205 ms |
31336 KB |
Output is correct |
35 |
Correct |
220 ms |
31332 KB |
Output is correct |
36 |
Correct |
201 ms |
30892 KB |
Output is correct |
37 |
Correct |
183 ms |
30876 KB |
Output is correct |
38 |
Correct |
205 ms |
30780 KB |
Output is correct |
39 |
Correct |
161 ms |
28768 KB |
Output is correct |
40 |
Correct |
147 ms |
28740 KB |
Output is correct |
41 |
Correct |
181 ms |
28952 KB |
Output is correct |
42 |
Correct |
181 ms |
28912 KB |
Output is correct |
43 |
Correct |
167 ms |
29036 KB |
Output is correct |
44 |
Correct |
177 ms |
29252 KB |
Output is correct |
45 |
Correct |
211 ms |
29304 KB |
Output is correct |
46 |
Correct |
182 ms |
29240 KB |
Output is correct |
47 |
Correct |
205 ms |
29296 KB |
Output is correct |
48 |
Correct |
195 ms |
29284 KB |
Output is correct |
49 |
Correct |
142 ms |
28500 KB |
Output is correct |
50 |
Correct |
152 ms |
28404 KB |
Output is correct |
51 |
Correct |
161 ms |
28532 KB |
Output is correct |
52 |
Correct |
138 ms |
28372 KB |
Output is correct |
53 |
Correct |
154 ms |
28392 KB |
Output is correct |
54 |
Correct |
160 ms |
29692 KB |
Output is correct |
55 |
Correct |
132 ms |
28512 KB |
Output is correct |
56 |
Correct |
154 ms |
29216 KB |
Output is correct |
57 |
Correct |
1286 ms |
63360 KB |
Output is correct |
58 |
Correct |
1289 ms |
63528 KB |
Output is correct |
59 |
Correct |
1170 ms |
61920 KB |
Output is correct |
60 |
Correct |
1197 ms |
61888 KB |
Output is correct |
61 |
Correct |
1149 ms |
61928 KB |
Output is correct |
62 |
Correct |
1351 ms |
61804 KB |
Output is correct |
63 |
Correct |
834 ms |
52372 KB |
Output is correct |
64 |
Correct |
825 ms |
52264 KB |
Output is correct |
65 |
Correct |
1002 ms |
53628 KB |
Output is correct |
66 |
Correct |
1006 ms |
53828 KB |
Output is correct |
67 |
Correct |
956 ms |
49856 KB |
Output is correct |
68 |
Correct |
1080 ms |
55572 KB |
Output is correct |
69 |
Correct |
1089 ms |
55480 KB |
Output is correct |
70 |
Correct |
1099 ms |
55104 KB |
Output is correct |
71 |
Correct |
1061 ms |
55088 KB |
Output is correct |
72 |
Correct |
1038 ms |
55148 KB |
Output is correct |
73 |
Correct |
705 ms |
50196 KB |
Output is correct |
74 |
Correct |
750 ms |
50292 KB |
Output is correct |
75 |
Correct |
710 ms |
50248 KB |
Output is correct |
76 |
Correct |
715 ms |
50296 KB |
Output is correct |
77 |
Correct |
714 ms |
50116 KB |
Output is correct |
78 |
Correct |
887 ms |
56596 KB |
Output is correct |
79 |
Correct |
652 ms |
49892 KB |
Output is correct |
80 |
Correct |
871 ms |
53956 KB |
Output is correct |