#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1 << 20;
int N, Q;
int A[MAXN];
vector<tuple<int, int, int>> qs[MAXN];
int tr[MAXN * 2];
bool ans[MAXN];
void update(int v, int val) {
v += MAXN;
tr[v] = max(tr[v], val);
for (v >>= 1; v > 0; v >>= 1) {
tr[v] = max(tr[v << 1], tr[v << 1 | 1]);
}
}
int get(int l, int r) {
int ans = 0;
for (l += MAXN, r += MAXN; l <= r; l >>= 1, r >>= 1) {
if (l & 1) ans = max(ans, tr[l++]);
if (!(r & 1)) ans = max(ans, tr[r--]);
}
return ans;
}
int main() {
ios_base::sync_with_stdio(false);
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;
qs[l].emplace_back(r, k, i);
}
vector<int> st;
for (int i = N; i > 0; --i) {
while (!st.empty() && A[i] > A[st.back()]) {
update(st.back(), A[i] + A[st.back()]);
st.pop_back();
}
st.emplace_back(i);
for (auto q : qs[i]) {
ans[get<2>(q)] = get(i, get<0>(q)) <= get<1>(q);
}
}
for (int i = 1; i <= Q; ++i) {
cout << ans[i] << "\n";
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
25 ms |
25188 KB |
Output is correct |
2 |
Correct |
25 ms |
24956 KB |
Output is correct |
3 |
Correct |
25 ms |
25080 KB |
Output is correct |
4 |
Correct |
25 ms |
25080 KB |
Output is correct |
5 |
Correct |
25 ms |
25080 KB |
Output is correct |
6 |
Correct |
25 ms |
25080 KB |
Output is correct |
7 |
Correct |
25 ms |
25080 KB |
Output is correct |
8 |
Correct |
25 ms |
25080 KB |
Output is correct |
9 |
Correct |
26 ms |
25080 KB |
Output is correct |
10 |
Correct |
26 ms |
25080 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
25 ms |
25188 KB |
Output is correct |
2 |
Correct |
25 ms |
24956 KB |
Output is correct |
3 |
Correct |
25 ms |
25080 KB |
Output is correct |
4 |
Correct |
25 ms |
25080 KB |
Output is correct |
5 |
Correct |
25 ms |
25080 KB |
Output is correct |
6 |
Correct |
25 ms |
25080 KB |
Output is correct |
7 |
Correct |
25 ms |
25080 KB |
Output is correct |
8 |
Correct |
25 ms |
25080 KB |
Output is correct |
9 |
Correct |
26 ms |
25080 KB |
Output is correct |
10 |
Correct |
26 ms |
25080 KB |
Output is correct |
11 |
Correct |
27 ms |
25208 KB |
Output is correct |
12 |
Correct |
31 ms |
25336 KB |
Output is correct |
13 |
Correct |
28 ms |
25336 KB |
Output is correct |
14 |
Correct |
30 ms |
25436 KB |
Output is correct |
15 |
Correct |
30 ms |
25464 KB |
Output is correct |
16 |
Correct |
29 ms |
25340 KB |
Output is correct |
17 |
Correct |
30 ms |
25268 KB |
Output is correct |
18 |
Correct |
29 ms |
25336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1297 ms |
93420 KB |
Output is correct |
2 |
Correct |
1300 ms |
94576 KB |
Output is correct |
3 |
Correct |
1306 ms |
94328 KB |
Output is correct |
4 |
Correct |
1293 ms |
94408 KB |
Output is correct |
5 |
Correct |
1205 ms |
90840 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
123 ms |
30800 KB |
Output is correct |
2 |
Correct |
109 ms |
30500 KB |
Output is correct |
3 |
Correct |
115 ms |
30324 KB |
Output is correct |
4 |
Correct |
118 ms |
30444 KB |
Output is correct |
5 |
Correct |
117 ms |
30476 KB |
Output is correct |
6 |
Correct |
88 ms |
29936 KB |
Output is correct |
7 |
Correct |
87 ms |
29808 KB |
Output is correct |
8 |
Correct |
109 ms |
30252 KB |
Output is correct |
9 |
Correct |
69 ms |
28208 KB |
Output is correct |
10 |
Correct |
106 ms |
30180 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
25 ms |
25188 KB |
Output is correct |
2 |
Correct |
25 ms |
24956 KB |
Output is correct |
3 |
Correct |
25 ms |
25080 KB |
Output is correct |
4 |
Correct |
25 ms |
25080 KB |
Output is correct |
5 |
Correct |
25 ms |
25080 KB |
Output is correct |
6 |
Correct |
25 ms |
25080 KB |
Output is correct |
7 |
Correct |
25 ms |
25080 KB |
Output is correct |
8 |
Correct |
25 ms |
25080 KB |
Output is correct |
9 |
Correct |
26 ms |
25080 KB |
Output is correct |
10 |
Correct |
26 ms |
25080 KB |
Output is correct |
11 |
Correct |
27 ms |
25208 KB |
Output is correct |
12 |
Correct |
31 ms |
25336 KB |
Output is correct |
13 |
Correct |
28 ms |
25336 KB |
Output is correct |
14 |
Correct |
30 ms |
25436 KB |
Output is correct |
15 |
Correct |
30 ms |
25464 KB |
Output is correct |
16 |
Correct |
29 ms |
25340 KB |
Output is correct |
17 |
Correct |
30 ms |
25268 KB |
Output is correct |
18 |
Correct |
29 ms |
25336 KB |
Output is correct |
19 |
Correct |
263 ms |
39396 KB |
Output is correct |
20 |
Correct |
259 ms |
39164 KB |
Output is correct |
21 |
Correct |
220 ms |
38520 KB |
Output is correct |
22 |
Correct |
221 ms |
38604 KB |
Output is correct |
23 |
Correct |
230 ms |
38544 KB |
Output is correct |
24 |
Correct |
199 ms |
37608 KB |
Output is correct |
25 |
Correct |
195 ms |
37612 KB |
Output is correct |
26 |
Correct |
228 ms |
37940 KB |
Output is correct |
27 |
Correct |
228 ms |
37864 KB |
Output is correct |
28 |
Correct |
232 ms |
38000 KB |
Output is correct |
29 |
Correct |
245 ms |
38356 KB |
Output is correct |
30 |
Correct |
244 ms |
38520 KB |
Output is correct |
31 |
Correct |
248 ms |
38376 KB |
Output is correct |
32 |
Correct |
244 ms |
38280 KB |
Output is correct |
33 |
Correct |
263 ms |
38476 KB |
Output is correct |
34 |
Correct |
187 ms |
36896 KB |
Output is correct |
35 |
Correct |
177 ms |
36840 KB |
Output is correct |
36 |
Correct |
169 ms |
36696 KB |
Output is correct |
37 |
Correct |
170 ms |
36756 KB |
Output is correct |
38 |
Correct |
176 ms |
37072 KB |
Output is correct |
39 |
Correct |
236 ms |
37040 KB |
Output is correct |
40 |
Correct |
182 ms |
35320 KB |
Output is correct |
41 |
Correct |
203 ms |
36520 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
25 ms |
25188 KB |
Output is correct |
2 |
Correct |
25 ms |
24956 KB |
Output is correct |
3 |
Correct |
25 ms |
25080 KB |
Output is correct |
4 |
Correct |
25 ms |
25080 KB |
Output is correct |
5 |
Correct |
25 ms |
25080 KB |
Output is correct |
6 |
Correct |
25 ms |
25080 KB |
Output is correct |
7 |
Correct |
25 ms |
25080 KB |
Output is correct |
8 |
Correct |
25 ms |
25080 KB |
Output is correct |
9 |
Correct |
26 ms |
25080 KB |
Output is correct |
10 |
Correct |
26 ms |
25080 KB |
Output is correct |
11 |
Correct |
27 ms |
25208 KB |
Output is correct |
12 |
Correct |
31 ms |
25336 KB |
Output is correct |
13 |
Correct |
28 ms |
25336 KB |
Output is correct |
14 |
Correct |
30 ms |
25436 KB |
Output is correct |
15 |
Correct |
30 ms |
25464 KB |
Output is correct |
16 |
Correct |
29 ms |
25340 KB |
Output is correct |
17 |
Correct |
30 ms |
25268 KB |
Output is correct |
18 |
Correct |
29 ms |
25336 KB |
Output is correct |
19 |
Correct |
1297 ms |
93420 KB |
Output is correct |
20 |
Correct |
1300 ms |
94576 KB |
Output is correct |
21 |
Correct |
1306 ms |
94328 KB |
Output is correct |
22 |
Correct |
1293 ms |
94408 KB |
Output is correct |
23 |
Correct |
1205 ms |
90840 KB |
Output is correct |
24 |
Correct |
123 ms |
30800 KB |
Output is correct |
25 |
Correct |
109 ms |
30500 KB |
Output is correct |
26 |
Correct |
115 ms |
30324 KB |
Output is correct |
27 |
Correct |
118 ms |
30444 KB |
Output is correct |
28 |
Correct |
117 ms |
30476 KB |
Output is correct |
29 |
Correct |
88 ms |
29936 KB |
Output is correct |
30 |
Correct |
87 ms |
29808 KB |
Output is correct |
31 |
Correct |
109 ms |
30252 KB |
Output is correct |
32 |
Correct |
69 ms |
28208 KB |
Output is correct |
33 |
Correct |
106 ms |
30180 KB |
Output is correct |
34 |
Correct |
263 ms |
39396 KB |
Output is correct |
35 |
Correct |
259 ms |
39164 KB |
Output is correct |
36 |
Correct |
220 ms |
38520 KB |
Output is correct |
37 |
Correct |
221 ms |
38604 KB |
Output is correct |
38 |
Correct |
230 ms |
38544 KB |
Output is correct |
39 |
Correct |
199 ms |
37608 KB |
Output is correct |
40 |
Correct |
195 ms |
37612 KB |
Output is correct |
41 |
Correct |
228 ms |
37940 KB |
Output is correct |
42 |
Correct |
228 ms |
37864 KB |
Output is correct |
43 |
Correct |
232 ms |
38000 KB |
Output is correct |
44 |
Correct |
245 ms |
38356 KB |
Output is correct |
45 |
Correct |
244 ms |
38520 KB |
Output is correct |
46 |
Correct |
248 ms |
38376 KB |
Output is correct |
47 |
Correct |
244 ms |
38280 KB |
Output is correct |
48 |
Correct |
263 ms |
38476 KB |
Output is correct |
49 |
Correct |
187 ms |
36896 KB |
Output is correct |
50 |
Correct |
177 ms |
36840 KB |
Output is correct |
51 |
Correct |
169 ms |
36696 KB |
Output is correct |
52 |
Correct |
170 ms |
36756 KB |
Output is correct |
53 |
Correct |
176 ms |
37072 KB |
Output is correct |
54 |
Correct |
236 ms |
37040 KB |
Output is correct |
55 |
Correct |
182 ms |
35320 KB |
Output is correct |
56 |
Correct |
203 ms |
36520 KB |
Output is correct |
57 |
Correct |
1329 ms |
95960 KB |
Output is correct |
58 |
Correct |
1308 ms |
96100 KB |
Output is correct |
59 |
Correct |
1283 ms |
93976 KB |
Output is correct |
60 |
Correct |
1292 ms |
93472 KB |
Output is correct |
61 |
Correct |
1304 ms |
93804 KB |
Output is correct |
62 |
Correct |
1285 ms |
93928 KB |
Output is correct |
63 |
Correct |
852 ms |
84312 KB |
Output is correct |
64 |
Correct |
854 ms |
83776 KB |
Output is correct |
65 |
Correct |
1183 ms |
90204 KB |
Output is correct |
66 |
Correct |
1187 ms |
90028 KB |
Output is correct |
67 |
Correct |
1231 ms |
89120 KB |
Output is correct |
68 |
Correct |
1219 ms |
92200 KB |
Output is correct |
69 |
Correct |
1233 ms |
92160 KB |
Output is correct |
70 |
Correct |
1263 ms |
90964 KB |
Output is correct |
71 |
Correct |
1224 ms |
91660 KB |
Output is correct |
72 |
Correct |
1294 ms |
91748 KB |
Output is correct |
73 |
Correct |
748 ms |
82100 KB |
Output is correct |
74 |
Correct |
761 ms |
82144 KB |
Output is correct |
75 |
Correct |
780 ms |
81712 KB |
Output is correct |
76 |
Correct |
755 ms |
81856 KB |
Output is correct |
77 |
Correct |
753 ms |
82268 KB |
Output is correct |
78 |
Correct |
1194 ms |
84440 KB |
Output is correct |
79 |
Correct |
828 ms |
74008 KB |
Output is correct |
80 |
Correct |
1042 ms |
84760 KB |
Output is correct |