#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e6 + 5;
int tree[4*maxn+5];
void update(int u, int tl, int tr, int p, int v) {
if(tl == tr) {
tree[u] = max(tree[u], v);
} else {
int tm = (tl + tr) / 2;
if(p <= tm) update(2*u, tl, tm, p, v);
else update(2*u+1, tm+1, tr, p, v);
tree[u] = max(tree[2*u], tree[2*u+1]);
}
}
int query(int u, int tl, int tr, int l, int r) {
if(l > tr || tl > r) return 0;
if(l <= tl && tr <= r) return tree[u];
int tm = (tl + tr) / 2;
return max(query(2*u, tl, tm, l, r), query(2*u+1, tm+1, tr, l, r));
}
int main() {
int n, q;
cin >> n >> q;
vector<int> v(n+1), ans(q);
for(int i=1; i<=n; i++) cin >> v[i];
vector<array<int, 3> > qus[n+1];
for(int i=0; i<q; i++) {
int l, r, k; cin >> l >> r >> k;
qus[r].push_back({ l, k, i });
}
stack<int> st;
for(int i=1; i<=n; i++) {
while(!st.empty() && v[st.top()] <= v[i]) st.pop();
if(!st.empty()) update(1, 1, n, st.top(), v[st.top()] + v[i]);
for(auto &[l, k, id] : qus[i]) ans[id] = (query(1, 1, n, l, i) <= k);
st.push(i);
}
for(int x : ans) cout << x << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 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 |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 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 |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
3 ms |
348 KB |
Output is correct |
12 |
Correct |
4 ms |
600 KB |
Output is correct |
13 |
Correct |
4 ms |
604 KB |
Output is correct |
14 |
Correct |
7 ms |
600 KB |
Output is correct |
15 |
Correct |
6 ms |
604 KB |
Output is correct |
16 |
Correct |
5 ms |
604 KB |
Output is correct |
17 |
Correct |
4 ms |
604 KB |
Output is correct |
18 |
Correct |
4 ms |
604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1463 ms |
63556 KB |
Output is correct |
2 |
Correct |
1492 ms |
63652 KB |
Output is correct |
3 |
Correct |
1493 ms |
63556 KB |
Output is correct |
4 |
Correct |
1482 ms |
63568 KB |
Output is correct |
5 |
Correct |
1369 ms |
55352 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
106 ms |
6740 KB |
Output is correct |
2 |
Correct |
95 ms |
6480 KB |
Output is correct |
3 |
Correct |
93 ms |
5972 KB |
Output is correct |
4 |
Correct |
90 ms |
7596 KB |
Output is correct |
5 |
Correct |
95 ms |
7508 KB |
Output is correct |
6 |
Correct |
79 ms |
7300 KB |
Output is correct |
7 |
Correct |
83 ms |
7232 KB |
Output is correct |
8 |
Correct |
81 ms |
7308 KB |
Output is correct |
9 |
Correct |
50 ms |
3596 KB |
Output is correct |
10 |
Correct |
98 ms |
7312 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 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 |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
3 ms |
348 KB |
Output is correct |
12 |
Correct |
4 ms |
600 KB |
Output is correct |
13 |
Correct |
4 ms |
604 KB |
Output is correct |
14 |
Correct |
7 ms |
600 KB |
Output is correct |
15 |
Correct |
6 ms |
604 KB |
Output is correct |
16 |
Correct |
5 ms |
604 KB |
Output is correct |
17 |
Correct |
4 ms |
604 KB |
Output is correct |
18 |
Correct |
4 ms |
604 KB |
Output is correct |
19 |
Correct |
256 ms |
13136 KB |
Output is correct |
20 |
Correct |
255 ms |
13136 KB |
Output is correct |
21 |
Correct |
244 ms |
14284 KB |
Output is correct |
22 |
Correct |
251 ms |
18128 KB |
Output is correct |
23 |
Correct |
244 ms |
18004 KB |
Output is correct |
24 |
Correct |
216 ms |
15700 KB |
Output is correct |
25 |
Correct |
221 ms |
15696 KB |
Output is correct |
26 |
Correct |
226 ms |
16212 KB |
Output is correct |
27 |
Correct |
229 ms |
16208 KB |
Output is correct |
28 |
Correct |
230 ms |
16324 KB |
Output is correct |
29 |
Correct |
253 ms |
16468 KB |
Output is correct |
30 |
Correct |
242 ms |
16520 KB |
Output is correct |
31 |
Correct |
240 ms |
16548 KB |
Output is correct |
32 |
Correct |
243 ms |
16724 KB |
Output is correct |
33 |
Correct |
240 ms |
16472 KB |
Output is correct |
34 |
Correct |
218 ms |
15440 KB |
Output is correct |
35 |
Correct |
217 ms |
15440 KB |
Output is correct |
36 |
Correct |
228 ms |
15308 KB |
Output is correct |
37 |
Correct |
212 ms |
15176 KB |
Output is correct |
38 |
Correct |
206 ms |
15548 KB |
Output is correct |
39 |
Correct |
209 ms |
15884 KB |
Output is correct |
40 |
Correct |
177 ms |
12716 KB |
Output is correct |
41 |
Correct |
198 ms |
15116 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 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 |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
3 ms |
348 KB |
Output is correct |
12 |
Correct |
4 ms |
600 KB |
Output is correct |
13 |
Correct |
4 ms |
604 KB |
Output is correct |
14 |
Correct |
7 ms |
600 KB |
Output is correct |
15 |
Correct |
6 ms |
604 KB |
Output is correct |
16 |
Correct |
5 ms |
604 KB |
Output is correct |
17 |
Correct |
4 ms |
604 KB |
Output is correct |
18 |
Correct |
4 ms |
604 KB |
Output is correct |
19 |
Correct |
1463 ms |
63556 KB |
Output is correct |
20 |
Correct |
1492 ms |
63652 KB |
Output is correct |
21 |
Correct |
1493 ms |
63556 KB |
Output is correct |
22 |
Correct |
1482 ms |
63568 KB |
Output is correct |
23 |
Correct |
1369 ms |
55352 KB |
Output is correct |
24 |
Correct |
106 ms |
6740 KB |
Output is correct |
25 |
Correct |
95 ms |
6480 KB |
Output is correct |
26 |
Correct |
93 ms |
5972 KB |
Output is correct |
27 |
Correct |
90 ms |
7596 KB |
Output is correct |
28 |
Correct |
95 ms |
7508 KB |
Output is correct |
29 |
Correct |
79 ms |
7300 KB |
Output is correct |
30 |
Correct |
83 ms |
7232 KB |
Output is correct |
31 |
Correct |
81 ms |
7308 KB |
Output is correct |
32 |
Correct |
50 ms |
3596 KB |
Output is correct |
33 |
Correct |
98 ms |
7312 KB |
Output is correct |
34 |
Correct |
256 ms |
13136 KB |
Output is correct |
35 |
Correct |
255 ms |
13136 KB |
Output is correct |
36 |
Correct |
244 ms |
14284 KB |
Output is correct |
37 |
Correct |
251 ms |
18128 KB |
Output is correct |
38 |
Correct |
244 ms |
18004 KB |
Output is correct |
39 |
Correct |
216 ms |
15700 KB |
Output is correct |
40 |
Correct |
221 ms |
15696 KB |
Output is correct |
41 |
Correct |
226 ms |
16212 KB |
Output is correct |
42 |
Correct |
229 ms |
16208 KB |
Output is correct |
43 |
Correct |
230 ms |
16324 KB |
Output is correct |
44 |
Correct |
253 ms |
16468 KB |
Output is correct |
45 |
Correct |
242 ms |
16520 KB |
Output is correct |
46 |
Correct |
240 ms |
16548 KB |
Output is correct |
47 |
Correct |
243 ms |
16724 KB |
Output is correct |
48 |
Correct |
240 ms |
16472 KB |
Output is correct |
49 |
Correct |
218 ms |
15440 KB |
Output is correct |
50 |
Correct |
217 ms |
15440 KB |
Output is correct |
51 |
Correct |
228 ms |
15308 KB |
Output is correct |
52 |
Correct |
212 ms |
15176 KB |
Output is correct |
53 |
Correct |
206 ms |
15548 KB |
Output is correct |
54 |
Correct |
209 ms |
15884 KB |
Output is correct |
55 |
Correct |
177 ms |
12716 KB |
Output is correct |
56 |
Correct |
198 ms |
15116 KB |
Output is correct |
57 |
Correct |
1456 ms |
88348 KB |
Output is correct |
58 |
Correct |
1483 ms |
88408 KB |
Output is correct |
59 |
Correct |
1521 ms |
86828 KB |
Output is correct |
60 |
Correct |
1480 ms |
86956 KB |
Output is correct |
61 |
Correct |
1514 ms |
86864 KB |
Output is correct |
62 |
Correct |
1580 ms |
86964 KB |
Output is correct |
63 |
Correct |
1175 ms |
76128 KB |
Output is correct |
64 |
Correct |
1282 ms |
76128 KB |
Output is correct |
65 |
Correct |
1499 ms |
70080 KB |
Output is correct |
66 |
Correct |
1507 ms |
70172 KB |
Output is correct |
67 |
Correct |
1496 ms |
70364 KB |
Output is correct |
68 |
Correct |
1674 ms |
71716 KB |
Output is correct |
69 |
Correct |
1529 ms |
71664 KB |
Output is correct |
70 |
Correct |
1409 ms |
71428 KB |
Output is correct |
71 |
Correct |
1501 ms |
71504 KB |
Output is correct |
72 |
Correct |
1513 ms |
71428 KB |
Output is correct |
73 |
Correct |
1078 ms |
64944 KB |
Output is correct |
74 |
Correct |
1107 ms |
65368 KB |
Output is correct |
75 |
Correct |
1062 ms |
67052 KB |
Output is correct |
76 |
Correct |
1093 ms |
66844 KB |
Output is correct |
77 |
Correct |
1064 ms |
66760 KB |
Output is correct |
78 |
Correct |
1132 ms |
69792 KB |
Output is correct |
79 |
Correct |
893 ms |
49404 KB |
Output is correct |
80 |
Correct |
1069 ms |
66856 KB |
Output is correct |