#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e6 + 5;
int tree[4*maxn], n, q;
void U(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) U(2*u, tl, tm, p, v);
else U(2*u+1, tm+1, tr, p, v);
tree[u] = max(tree[2*u], tree[2*u+1]);
}
}
int Q(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(Q(2*u, tl, tm, l, r), Q(2*u+1, tm+1, tr, l, r));
}
int main() {
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()) U(1, 1, n, st.top(), v[st.top()] + v[i]);
for(auto &[l, k, id] : qus[i]) ans[id] = (Q(1, 1, n, l, i) <= k);
st.push(i);
}
for(int x : ans) cout << x << '\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
2 ms |
336 KB |
Output is correct |
6 |
Correct |
2 ms |
592 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
2 ms |
336 KB |
Output is correct |
6 |
Correct |
2 ms |
592 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
4 ms |
592 KB |
Output is correct |
12 |
Correct |
5 ms |
716 KB |
Output is correct |
13 |
Correct |
6 ms |
724 KB |
Output is correct |
14 |
Correct |
12 ms |
848 KB |
Output is correct |
15 |
Correct |
9 ms |
848 KB |
Output is correct |
16 |
Correct |
11 ms |
848 KB |
Output is correct |
17 |
Correct |
5 ms |
592 KB |
Output is correct |
18 |
Correct |
6 ms |
792 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1913 ms |
95240 KB |
Output is correct |
2 |
Correct |
1955 ms |
96320 KB |
Output is correct |
3 |
Correct |
1974 ms |
96392 KB |
Output is correct |
4 |
Correct |
1981 ms |
96452 KB |
Output is correct |
5 |
Correct |
1789 ms |
88252 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
117 ms |
8652 KB |
Output is correct |
2 |
Correct |
105 ms |
8624 KB |
Output is correct |
3 |
Correct |
112 ms |
7676 KB |
Output is correct |
4 |
Correct |
121 ms |
7624 KB |
Output is correct |
5 |
Correct |
115 ms |
7752 KB |
Output is correct |
6 |
Correct |
91 ms |
7224 KB |
Output is correct |
7 |
Correct |
89 ms |
7240 KB |
Output is correct |
8 |
Correct |
90 ms |
7424 KB |
Output is correct |
9 |
Correct |
54 ms |
3584 KB |
Output is correct |
10 |
Correct |
97 ms |
7424 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
2 ms |
336 KB |
Output is correct |
6 |
Correct |
2 ms |
592 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
4 ms |
592 KB |
Output is correct |
12 |
Correct |
5 ms |
716 KB |
Output is correct |
13 |
Correct |
6 ms |
724 KB |
Output is correct |
14 |
Correct |
12 ms |
848 KB |
Output is correct |
15 |
Correct |
9 ms |
848 KB |
Output is correct |
16 |
Correct |
11 ms |
848 KB |
Output is correct |
17 |
Correct |
5 ms |
592 KB |
Output is correct |
18 |
Correct |
6 ms |
792 KB |
Output is correct |
19 |
Correct |
313 ms |
19856 KB |
Output is correct |
20 |
Correct |
302 ms |
19832 KB |
Output is correct |
21 |
Correct |
293 ms |
19264 KB |
Output is correct |
22 |
Correct |
276 ms |
19272 KB |
Output is correct |
23 |
Correct |
272 ms |
19272 KB |
Output is correct |
24 |
Correct |
239 ms |
16968 KB |
Output is correct |
25 |
Correct |
241 ms |
16968 KB |
Output is correct |
26 |
Correct |
260 ms |
17480 KB |
Output is correct |
27 |
Correct |
267 ms |
17348 KB |
Output is correct |
28 |
Correct |
283 ms |
17480 KB |
Output is correct |
29 |
Correct |
292 ms |
17736 KB |
Output is correct |
30 |
Correct |
287 ms |
17732 KB |
Output is correct |
31 |
Correct |
268 ms |
17872 KB |
Output is correct |
32 |
Correct |
268 ms |
17740 KB |
Output is correct |
33 |
Correct |
259 ms |
17736 KB |
Output is correct |
34 |
Correct |
216 ms |
16456 KB |
Output is correct |
35 |
Correct |
219 ms |
16460 KB |
Output is correct |
36 |
Correct |
229 ms |
16456 KB |
Output is correct |
37 |
Correct |
216 ms |
16456 KB |
Output is correct |
38 |
Correct |
220 ms |
16580 KB |
Output is correct |
39 |
Correct |
249 ms |
16716 KB |
Output is correct |
40 |
Correct |
190 ms |
13052 KB |
Output is correct |
41 |
Correct |
228 ms |
15872 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
2 ms |
336 KB |
Output is correct |
6 |
Correct |
2 ms |
592 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
4 ms |
592 KB |
Output is correct |
12 |
Correct |
5 ms |
716 KB |
Output is correct |
13 |
Correct |
6 ms |
724 KB |
Output is correct |
14 |
Correct |
12 ms |
848 KB |
Output is correct |
15 |
Correct |
9 ms |
848 KB |
Output is correct |
16 |
Correct |
11 ms |
848 KB |
Output is correct |
17 |
Correct |
5 ms |
592 KB |
Output is correct |
18 |
Correct |
6 ms |
792 KB |
Output is correct |
19 |
Correct |
1913 ms |
95240 KB |
Output is correct |
20 |
Correct |
1955 ms |
96320 KB |
Output is correct |
21 |
Correct |
1974 ms |
96392 KB |
Output is correct |
22 |
Correct |
1981 ms |
96452 KB |
Output is correct |
23 |
Correct |
1789 ms |
88252 KB |
Output is correct |
24 |
Correct |
117 ms |
8652 KB |
Output is correct |
25 |
Correct |
105 ms |
8624 KB |
Output is correct |
26 |
Correct |
112 ms |
7676 KB |
Output is correct |
27 |
Correct |
121 ms |
7624 KB |
Output is correct |
28 |
Correct |
115 ms |
7752 KB |
Output is correct |
29 |
Correct |
91 ms |
7224 KB |
Output is correct |
30 |
Correct |
89 ms |
7240 KB |
Output is correct |
31 |
Correct |
90 ms |
7424 KB |
Output is correct |
32 |
Correct |
54 ms |
3584 KB |
Output is correct |
33 |
Correct |
97 ms |
7424 KB |
Output is correct |
34 |
Correct |
313 ms |
19856 KB |
Output is correct |
35 |
Correct |
302 ms |
19832 KB |
Output is correct |
36 |
Correct |
293 ms |
19264 KB |
Output is correct |
37 |
Correct |
276 ms |
19272 KB |
Output is correct |
38 |
Correct |
272 ms |
19272 KB |
Output is correct |
39 |
Correct |
239 ms |
16968 KB |
Output is correct |
40 |
Correct |
241 ms |
16968 KB |
Output is correct |
41 |
Correct |
260 ms |
17480 KB |
Output is correct |
42 |
Correct |
267 ms |
17348 KB |
Output is correct |
43 |
Correct |
283 ms |
17480 KB |
Output is correct |
44 |
Correct |
292 ms |
17736 KB |
Output is correct |
45 |
Correct |
287 ms |
17732 KB |
Output is correct |
46 |
Correct |
268 ms |
17872 KB |
Output is correct |
47 |
Correct |
268 ms |
17740 KB |
Output is correct |
48 |
Correct |
259 ms |
17736 KB |
Output is correct |
49 |
Correct |
216 ms |
16456 KB |
Output is correct |
50 |
Correct |
219 ms |
16460 KB |
Output is correct |
51 |
Correct |
229 ms |
16456 KB |
Output is correct |
52 |
Correct |
216 ms |
16456 KB |
Output is correct |
53 |
Correct |
220 ms |
16580 KB |
Output is correct |
54 |
Correct |
249 ms |
16716 KB |
Output is correct |
55 |
Correct |
190 ms |
13052 KB |
Output is correct |
56 |
Correct |
228 ms |
15872 KB |
Output is correct |
57 |
Correct |
1738 ms |
96564 KB |
Output is correct |
58 |
Correct |
1735 ms |
96584 KB |
Output is correct |
59 |
Correct |
1570 ms |
95100 KB |
Output is correct |
60 |
Correct |
1570 ms |
95148 KB |
Output is correct |
61 |
Correct |
1624 ms |
94980 KB |
Output is correct |
62 |
Correct |
1502 ms |
94912 KB |
Output is correct |
63 |
Correct |
1205 ms |
83652 KB |
Output is correct |
64 |
Correct |
1248 ms |
83528 KB |
Output is correct |
65 |
Correct |
1447 ms |
86616 KB |
Output is correct |
66 |
Correct |
1483 ms |
86600 KB |
Output is correct |
67 |
Correct |
1435 ms |
86856 KB |
Output is correct |
68 |
Correct |
1522 ms |
88392 KB |
Output is correct |
69 |
Correct |
1517 ms |
88300 KB |
Output is correct |
70 |
Correct |
1386 ms |
88136 KB |
Output is correct |
71 |
Correct |
1605 ms |
88120 KB |
Output is correct |
72 |
Correct |
1668 ms |
88136 KB |
Output is correct |
73 |
Correct |
1132 ms |
81592 KB |
Output is correct |
74 |
Correct |
1187 ms |
82504 KB |
Output is correct |
75 |
Correct |
1144 ms |
81664 KB |
Output is correct |
76 |
Correct |
1135 ms |
81580 KB |
Output is correct |
77 |
Correct |
1233 ms |
81460 KB |
Output is correct |
78 |
Correct |
1237 ms |
83164 KB |
Output is correct |
79 |
Correct |
990 ms |
60772 KB |
Output is correct |
80 |
Correct |
1301 ms |
77912 KB |
Output is correct |