#include <iostream>
#include <vector>
#include <list>
#include <algorithm>
#include <math.h>
#include <tuple>
#include <queue>
#include <unordered_map>
#include <unordered_set>
#include <set>
#include <map>
#include <stack>
#include <climits>
#include <cassert>
using namespace std;
typedef long long ll;
#define all(v) v.begin(), v.end()
vector<int> st;
int len = 1;
int query(int f, int t, int i = 1, int s = 0, int e = len) {
if (f >= e || t <= s) return { INT_MIN };
if (f <= s && e <= t) return st[i];
return max(query(f, t, i * 2, s, (s + e) / 2), query(f, t, i * 2 + 1, (s + e) / 2, e));
}
void upd(int idx, int val, int i = 1, int s = 0, int e = len) {
if (idx >= e || idx < s) return;
if (idx == s && s + 1 == e) {
st[i] = max(st[i], val);
return;
}
upd(idx, val, i * 2, s, (s + e) / 2);
upd(idx, val, i * 2 + 1, (s + e) / 2, e);
st[i] = max(st[i * 2], st[i * 2 + 1]);
}
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
int n, q; cin >> n >> q;
vector<int> v(n);
for (auto& i : v) {
cin >> i;
}
while (len < n) len *= 2;
st.resize(2 * len, INT_MIN);
vector<bool> ans(q);
vector<tuple<int, int, int>> qry;
vector<vector<pair<int, int>>> ls(n+1);
for (int i = 0; i < q; i++) {
int f, t, k; cin >> f >> t >> k;
qry.push_back({ f, t, k });
ls[t].push_back({ f, i });
}
stack<pair<int, int>> s;
s.push({ INT_MAX, 0 });
for (int i = 0; i < n; i++) {
while (v[i] >= s.top().first) s.pop();
upd(s.top().second, s.top().first + v[i]);
s.push({ v[i], i + 1});
for (auto& f : ls[i + 1]) {
ans[f.second] = (query(f.first, len+1) <= get<2>(qry[f.second]));
}
}
for (int i = 0; i < q; i++) {
cout << ans[i] << '\n';
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
2 ms |
604 KB |
Output is correct |
12 |
Correct |
2 ms |
860 KB |
Output is correct |
13 |
Correct |
3 ms |
860 KB |
Output is correct |
14 |
Correct |
4 ms |
860 KB |
Output is correct |
15 |
Correct |
4 ms |
840 KB |
Output is correct |
16 |
Correct |
3 ms |
860 KB |
Output is correct |
17 |
Correct |
3 ms |
860 KB |
Output is correct |
18 |
Correct |
4 ms |
856 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1047 ms |
69748 KB |
Output is correct |
2 |
Correct |
1160 ms |
69608 KB |
Output is correct |
3 |
Correct |
1076 ms |
69572 KB |
Output is correct |
4 |
Correct |
1095 ms |
102496 KB |
Output is correct |
5 |
Correct |
1127 ms |
102632 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
67 ms |
7436 KB |
Output is correct |
2 |
Correct |
63 ms |
8780 KB |
Output is correct |
3 |
Correct |
65 ms |
9224 KB |
Output is correct |
4 |
Correct |
66 ms |
9372 KB |
Output is correct |
5 |
Correct |
70 ms |
9376 KB |
Output is correct |
6 |
Correct |
52 ms |
8404 KB |
Output is correct |
7 |
Correct |
57 ms |
8392 KB |
Output is correct |
8 |
Correct |
58 ms |
9096 KB |
Output is correct |
9 |
Correct |
28 ms |
3932 KB |
Output is correct |
10 |
Correct |
59 ms |
9220 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
2 ms |
604 KB |
Output is correct |
12 |
Correct |
2 ms |
860 KB |
Output is correct |
13 |
Correct |
3 ms |
860 KB |
Output is correct |
14 |
Correct |
4 ms |
860 KB |
Output is correct |
15 |
Correct |
4 ms |
840 KB |
Output is correct |
16 |
Correct |
3 ms |
860 KB |
Output is correct |
17 |
Correct |
3 ms |
860 KB |
Output is correct |
18 |
Correct |
4 ms |
856 KB |
Output is correct |
19 |
Correct |
172 ms |
21544 KB |
Output is correct |
20 |
Correct |
165 ms |
21088 KB |
Output is correct |
21 |
Correct |
145 ms |
19712 KB |
Output is correct |
22 |
Correct |
142 ms |
19724 KB |
Output is correct |
23 |
Correct |
147 ms |
19716 KB |
Output is correct |
24 |
Correct |
125 ms |
19456 KB |
Output is correct |
25 |
Correct |
153 ms |
19568 KB |
Output is correct |
26 |
Correct |
134 ms |
20808 KB |
Output is correct |
27 |
Correct |
136 ms |
20736 KB |
Output is correct |
28 |
Correct |
149 ms |
20944 KB |
Output is correct |
29 |
Correct |
144 ms |
21132 KB |
Output is correct |
30 |
Correct |
143 ms |
21372 KB |
Output is correct |
31 |
Correct |
170 ms |
20988 KB |
Output is correct |
32 |
Correct |
147 ms |
20992 KB |
Output is correct |
33 |
Correct |
156 ms |
21252 KB |
Output is correct |
34 |
Correct |
139 ms |
19224 KB |
Output is correct |
35 |
Correct |
125 ms |
19200 KB |
Output is correct |
36 |
Correct |
120 ms |
18900 KB |
Output is correct |
37 |
Correct |
145 ms |
18924 KB |
Output is correct |
38 |
Correct |
130 ms |
19184 KB |
Output is correct |
39 |
Correct |
139 ms |
19176 KB |
Output is correct |
40 |
Correct |
109 ms |
15888 KB |
Output is correct |
41 |
Correct |
143 ms |
19224 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
2 ms |
604 KB |
Output is correct |
12 |
Correct |
2 ms |
860 KB |
Output is correct |
13 |
Correct |
3 ms |
860 KB |
Output is correct |
14 |
Correct |
4 ms |
860 KB |
Output is correct |
15 |
Correct |
4 ms |
840 KB |
Output is correct |
16 |
Correct |
3 ms |
860 KB |
Output is correct |
17 |
Correct |
3 ms |
860 KB |
Output is correct |
18 |
Correct |
4 ms |
856 KB |
Output is correct |
19 |
Correct |
1047 ms |
69748 KB |
Output is correct |
20 |
Correct |
1160 ms |
69608 KB |
Output is correct |
21 |
Correct |
1076 ms |
69572 KB |
Output is correct |
22 |
Correct |
1095 ms |
102496 KB |
Output is correct |
23 |
Correct |
1127 ms |
102632 KB |
Output is correct |
24 |
Correct |
67 ms |
7436 KB |
Output is correct |
25 |
Correct |
63 ms |
8780 KB |
Output is correct |
26 |
Correct |
65 ms |
9224 KB |
Output is correct |
27 |
Correct |
66 ms |
9372 KB |
Output is correct |
28 |
Correct |
70 ms |
9376 KB |
Output is correct |
29 |
Correct |
52 ms |
8404 KB |
Output is correct |
30 |
Correct |
57 ms |
8392 KB |
Output is correct |
31 |
Correct |
58 ms |
9096 KB |
Output is correct |
32 |
Correct |
28 ms |
3932 KB |
Output is correct |
33 |
Correct |
59 ms |
9220 KB |
Output is correct |
34 |
Correct |
172 ms |
21544 KB |
Output is correct |
35 |
Correct |
165 ms |
21088 KB |
Output is correct |
36 |
Correct |
145 ms |
19712 KB |
Output is correct |
37 |
Correct |
142 ms |
19724 KB |
Output is correct |
38 |
Correct |
147 ms |
19716 KB |
Output is correct |
39 |
Correct |
125 ms |
19456 KB |
Output is correct |
40 |
Correct |
153 ms |
19568 KB |
Output is correct |
41 |
Correct |
134 ms |
20808 KB |
Output is correct |
42 |
Correct |
136 ms |
20736 KB |
Output is correct |
43 |
Correct |
149 ms |
20944 KB |
Output is correct |
44 |
Correct |
144 ms |
21132 KB |
Output is correct |
45 |
Correct |
143 ms |
21372 KB |
Output is correct |
46 |
Correct |
170 ms |
20988 KB |
Output is correct |
47 |
Correct |
147 ms |
20992 KB |
Output is correct |
48 |
Correct |
156 ms |
21252 KB |
Output is correct |
49 |
Correct |
139 ms |
19224 KB |
Output is correct |
50 |
Correct |
125 ms |
19200 KB |
Output is correct |
51 |
Correct |
120 ms |
18900 KB |
Output is correct |
52 |
Correct |
145 ms |
18924 KB |
Output is correct |
53 |
Correct |
130 ms |
19184 KB |
Output is correct |
54 |
Correct |
139 ms |
19176 KB |
Output is correct |
55 |
Correct |
109 ms |
15888 KB |
Output is correct |
56 |
Correct |
143 ms |
19224 KB |
Output is correct |
57 |
Correct |
1098 ms |
102380 KB |
Output is correct |
58 |
Correct |
1113 ms |
101992 KB |
Output is correct |
59 |
Correct |
1004 ms |
99356 KB |
Output is correct |
60 |
Correct |
991 ms |
99352 KB |
Output is correct |
61 |
Correct |
1066 ms |
99008 KB |
Output is correct |
62 |
Correct |
965 ms |
99408 KB |
Output is correct |
63 |
Correct |
679 ms |
93948 KB |
Output is correct |
64 |
Correct |
647 ms |
93796 KB |
Output is correct |
65 |
Correct |
941 ms |
98976 KB |
Output is correct |
66 |
Correct |
902 ms |
99020 KB |
Output is correct |
67 |
Correct |
949 ms |
99176 KB |
Output is correct |
68 |
Correct |
1052 ms |
102324 KB |
Output is correct |
69 |
Correct |
1081 ms |
102724 KB |
Output is correct |
70 |
Correct |
996 ms |
101492 KB |
Output is correct |
71 |
Correct |
979 ms |
101592 KB |
Output is correct |
72 |
Correct |
994 ms |
101760 KB |
Output is correct |
73 |
Correct |
640 ms |
90784 KB |
Output is correct |
74 |
Correct |
630 ms |
91876 KB |
Output is correct |
75 |
Correct |
641 ms |
90640 KB |
Output is correct |
76 |
Correct |
675 ms |
90828 KB |
Output is correct |
77 |
Correct |
642 ms |
90504 KB |
Output is correct |
78 |
Correct |
864 ms |
94208 KB |
Output is correct |
79 |
Correct |
631 ms |
70124 KB |
Output is correct |
80 |
Correct |
839 ms |
92912 KB |
Output is correct |