#include <bits/stdc++.h>
using namespace std;
#define file ""
#define mp make_pair
#define fi first
#define se second
#define all(x) x.begin(), x.end()
#define getbit(x, i) (((x) >> (i)) & 1)
#define bit(x) (1LL << (x))
#define popcount __builtin_popcountll
mt19937_64 rd(chrono::steady_clock::now().time_since_epoch().count());
int rand(int l, int r) {
return l + rd() % (r - l + 1);
}
const int N = 1e6 + 5;
const int mod = (int)1e9 + 7; // 998244353;
const int lg = 25; // lg + 1
const int oo = 1e9;
const long long ooo = 1e18;
template<class X, class Y> bool mini(X &a, Y b) {
return a > b ? (a = b, true) : false;
}
template<class X, class Y> bool maxi(X &a, Y b) {
return a < b ? (a = b, true) : false;
}
void add(int &a, int b) {
a += b;
if (a >= mod) a -= mod;
if (a < 0) a += mod;
}
int n, q;
int a[N];
vector<tuple<int, int, int> > query[N];
int lpos[N];
int res[N];
int bit[N];
void update(int u, int c) {
for (; u > 0; u -= u &(-u)) maxi(bit[u], c);
}
int get(int u) {
int res = 0;
for (; u <= n; u += u & (-u)) maxi(res, bit[u]);
return res;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
// freopen(file".inp", "r", stdin);
// freopen(file".out", "w", stdout);
cin >> n >> q;
for (int i = 1; i <= n; ++i)
cin >> a[i];
for (int i = 1; i <= q; ++i) {
int l, r, c;
cin >> l >> r >> c;
query[r].emplace_back(l, c, i);
}
stack<int> st;
for (int i = 1; i <= n; ++i) {
while (st.size() && a[i] >= a[st.top()]) st.pop();
lpos[i] = st.size() ? st.top() : 0;
st.push(i);
}
for (int i = 1; i <= n; ++i) {
if (lpos[i]) {
update(lpos[i], a[lpos[i]] + a[i]);
}
for (auto [l, c, id] : query[i]) {
res[id] = get(l) <= c;
}
}
for (int i = 1; i <= q; ++i) {
cout << res[i] << ' ';
}
return 0;
}
/*
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
31068 KB |
Output is correct |
2 |
Correct |
6 ms |
31068 KB |
Output is correct |
3 |
Correct |
6 ms |
31068 KB |
Output is correct |
4 |
Correct |
6 ms |
31064 KB |
Output is correct |
5 |
Correct |
6 ms |
31068 KB |
Output is correct |
6 |
Correct |
7 ms |
31068 KB |
Output is correct |
7 |
Correct |
6 ms |
31244 KB |
Output is correct |
8 |
Correct |
6 ms |
31168 KB |
Output is correct |
9 |
Correct |
6 ms |
31068 KB |
Output is correct |
10 |
Correct |
6 ms |
31068 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
31068 KB |
Output is correct |
2 |
Correct |
6 ms |
31068 KB |
Output is correct |
3 |
Correct |
6 ms |
31068 KB |
Output is correct |
4 |
Correct |
6 ms |
31064 KB |
Output is correct |
5 |
Correct |
6 ms |
31068 KB |
Output is correct |
6 |
Correct |
7 ms |
31068 KB |
Output is correct |
7 |
Correct |
6 ms |
31244 KB |
Output is correct |
8 |
Correct |
6 ms |
31168 KB |
Output is correct |
9 |
Correct |
6 ms |
31068 KB |
Output is correct |
10 |
Correct |
6 ms |
31068 KB |
Output is correct |
11 |
Correct |
7 ms |
31320 KB |
Output is correct |
12 |
Correct |
7 ms |
31324 KB |
Output is correct |
13 |
Correct |
8 ms |
31324 KB |
Output is correct |
14 |
Correct |
8 ms |
31324 KB |
Output is correct |
15 |
Correct |
9 ms |
31500 KB |
Output is correct |
16 |
Correct |
8 ms |
31404 KB |
Output is correct |
17 |
Correct |
8 ms |
31324 KB |
Output is correct |
18 |
Correct |
8 ms |
31324 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
649 ms |
84984 KB |
Output is correct |
2 |
Correct |
639 ms |
95980 KB |
Output is correct |
3 |
Correct |
640 ms |
96080 KB |
Output is correct |
4 |
Correct |
641 ms |
96124 KB |
Output is correct |
5 |
Correct |
639 ms |
93892 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
46 ms |
37204 KB |
Output is correct |
2 |
Correct |
43 ms |
37880 KB |
Output is correct |
3 |
Correct |
41 ms |
37456 KB |
Output is correct |
4 |
Correct |
42 ms |
37356 KB |
Output is correct |
5 |
Correct |
42 ms |
37452 KB |
Output is correct |
6 |
Correct |
36 ms |
36944 KB |
Output is correct |
7 |
Correct |
35 ms |
36956 KB |
Output is correct |
8 |
Correct |
42 ms |
37132 KB |
Output is correct |
9 |
Correct |
29 ms |
36112 KB |
Output is correct |
10 |
Correct |
42 ms |
37100 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
31068 KB |
Output is correct |
2 |
Correct |
6 ms |
31068 KB |
Output is correct |
3 |
Correct |
6 ms |
31068 KB |
Output is correct |
4 |
Correct |
6 ms |
31064 KB |
Output is correct |
5 |
Correct |
6 ms |
31068 KB |
Output is correct |
6 |
Correct |
7 ms |
31068 KB |
Output is correct |
7 |
Correct |
6 ms |
31244 KB |
Output is correct |
8 |
Correct |
6 ms |
31168 KB |
Output is correct |
9 |
Correct |
6 ms |
31068 KB |
Output is correct |
10 |
Correct |
6 ms |
31068 KB |
Output is correct |
11 |
Correct |
7 ms |
31320 KB |
Output is correct |
12 |
Correct |
7 ms |
31324 KB |
Output is correct |
13 |
Correct |
8 ms |
31324 KB |
Output is correct |
14 |
Correct |
8 ms |
31324 KB |
Output is correct |
15 |
Correct |
9 ms |
31500 KB |
Output is correct |
16 |
Correct |
8 ms |
31404 KB |
Output is correct |
17 |
Correct |
8 ms |
31324 KB |
Output is correct |
18 |
Correct |
8 ms |
31324 KB |
Output is correct |
19 |
Correct |
116 ms |
47328 KB |
Output is correct |
20 |
Correct |
135 ms |
47212 KB |
Output is correct |
21 |
Correct |
107 ms |
43344 KB |
Output is correct |
22 |
Correct |
95 ms |
43344 KB |
Output is correct |
23 |
Correct |
111 ms |
44744 KB |
Output is correct |
24 |
Correct |
87 ms |
43860 KB |
Output is correct |
25 |
Correct |
83 ms |
45540 KB |
Output is correct |
26 |
Correct |
96 ms |
45908 KB |
Output is correct |
27 |
Correct |
102 ms |
45912 KB |
Output is correct |
28 |
Correct |
108 ms |
46056 KB |
Output is correct |
29 |
Correct |
124 ms |
46384 KB |
Output is correct |
30 |
Correct |
111 ms |
46560 KB |
Output is correct |
31 |
Correct |
121 ms |
46404 KB |
Output is correct |
32 |
Correct |
123 ms |
46448 KB |
Output is correct |
33 |
Correct |
115 ms |
46448 KB |
Output is correct |
34 |
Correct |
84 ms |
45208 KB |
Output is correct |
35 |
Correct |
84 ms |
45180 KB |
Output is correct |
36 |
Correct |
82 ms |
45060 KB |
Output is correct |
37 |
Correct |
83 ms |
45120 KB |
Output is correct |
38 |
Correct |
85 ms |
45088 KB |
Output is correct |
39 |
Correct |
106 ms |
44968 KB |
Output is correct |
40 |
Correct |
84 ms |
41624 KB |
Output is correct |
41 |
Correct |
104 ms |
44296 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
31068 KB |
Output is correct |
2 |
Correct |
6 ms |
31068 KB |
Output is correct |
3 |
Correct |
6 ms |
31068 KB |
Output is correct |
4 |
Correct |
6 ms |
31064 KB |
Output is correct |
5 |
Correct |
6 ms |
31068 KB |
Output is correct |
6 |
Correct |
7 ms |
31068 KB |
Output is correct |
7 |
Correct |
6 ms |
31244 KB |
Output is correct |
8 |
Correct |
6 ms |
31168 KB |
Output is correct |
9 |
Correct |
6 ms |
31068 KB |
Output is correct |
10 |
Correct |
6 ms |
31068 KB |
Output is correct |
11 |
Correct |
7 ms |
31320 KB |
Output is correct |
12 |
Correct |
7 ms |
31324 KB |
Output is correct |
13 |
Correct |
8 ms |
31324 KB |
Output is correct |
14 |
Correct |
8 ms |
31324 KB |
Output is correct |
15 |
Correct |
9 ms |
31500 KB |
Output is correct |
16 |
Correct |
8 ms |
31404 KB |
Output is correct |
17 |
Correct |
8 ms |
31324 KB |
Output is correct |
18 |
Correct |
8 ms |
31324 KB |
Output is correct |
19 |
Correct |
649 ms |
84984 KB |
Output is correct |
20 |
Correct |
639 ms |
95980 KB |
Output is correct |
21 |
Correct |
640 ms |
96080 KB |
Output is correct |
22 |
Correct |
641 ms |
96124 KB |
Output is correct |
23 |
Correct |
639 ms |
93892 KB |
Output is correct |
24 |
Correct |
46 ms |
37204 KB |
Output is correct |
25 |
Correct |
43 ms |
37880 KB |
Output is correct |
26 |
Correct |
41 ms |
37456 KB |
Output is correct |
27 |
Correct |
42 ms |
37356 KB |
Output is correct |
28 |
Correct |
42 ms |
37452 KB |
Output is correct |
29 |
Correct |
36 ms |
36944 KB |
Output is correct |
30 |
Correct |
35 ms |
36956 KB |
Output is correct |
31 |
Correct |
42 ms |
37132 KB |
Output is correct |
32 |
Correct |
29 ms |
36112 KB |
Output is correct |
33 |
Correct |
42 ms |
37100 KB |
Output is correct |
34 |
Correct |
116 ms |
47328 KB |
Output is correct |
35 |
Correct |
135 ms |
47212 KB |
Output is correct |
36 |
Correct |
107 ms |
43344 KB |
Output is correct |
37 |
Correct |
95 ms |
43344 KB |
Output is correct |
38 |
Correct |
111 ms |
44744 KB |
Output is correct |
39 |
Correct |
87 ms |
43860 KB |
Output is correct |
40 |
Correct |
83 ms |
45540 KB |
Output is correct |
41 |
Correct |
96 ms |
45908 KB |
Output is correct |
42 |
Correct |
102 ms |
45912 KB |
Output is correct |
43 |
Correct |
108 ms |
46056 KB |
Output is correct |
44 |
Correct |
124 ms |
46384 KB |
Output is correct |
45 |
Correct |
111 ms |
46560 KB |
Output is correct |
46 |
Correct |
121 ms |
46404 KB |
Output is correct |
47 |
Correct |
123 ms |
46448 KB |
Output is correct |
48 |
Correct |
115 ms |
46448 KB |
Output is correct |
49 |
Correct |
84 ms |
45208 KB |
Output is correct |
50 |
Correct |
84 ms |
45180 KB |
Output is correct |
51 |
Correct |
82 ms |
45060 KB |
Output is correct |
52 |
Correct |
83 ms |
45120 KB |
Output is correct |
53 |
Correct |
85 ms |
45088 KB |
Output is correct |
54 |
Correct |
106 ms |
44968 KB |
Output is correct |
55 |
Correct |
84 ms |
41624 KB |
Output is correct |
56 |
Correct |
104 ms |
44296 KB |
Output is correct |
57 |
Correct |
708 ms |
96572 KB |
Output is correct |
58 |
Correct |
692 ms |
96360 KB |
Output is correct |
59 |
Correct |
645 ms |
94548 KB |
Output is correct |
60 |
Correct |
603 ms |
94748 KB |
Output is correct |
61 |
Correct |
581 ms |
94852 KB |
Output is correct |
62 |
Correct |
563 ms |
94708 KB |
Output is correct |
63 |
Correct |
388 ms |
89596 KB |
Output is correct |
64 |
Correct |
409 ms |
89160 KB |
Output is correct |
65 |
Correct |
530 ms |
92340 KB |
Output is correct |
66 |
Correct |
525 ms |
90464 KB |
Output is correct |
67 |
Correct |
546 ms |
92732 KB |
Output is correct |
68 |
Correct |
603 ms |
94188 KB |
Output is correct |
69 |
Correct |
604 ms |
94388 KB |
Output is correct |
70 |
Correct |
580 ms |
93816 KB |
Output is correct |
71 |
Correct |
584 ms |
93856 KB |
Output is correct |
72 |
Correct |
577 ms |
91976 KB |
Output is correct |
73 |
Correct |
358 ms |
85072 KB |
Output is correct |
74 |
Correct |
370 ms |
86184 KB |
Output is correct |
75 |
Correct |
359 ms |
85076 KB |
Output is correct |
76 |
Correct |
357 ms |
85508 KB |
Output is correct |
77 |
Correct |
362 ms |
85024 KB |
Output is correct |
78 |
Correct |
543 ms |
87032 KB |
Output is correct |
79 |
Correct |
420 ms |
77012 KB |
Output is correct |
80 |
Correct |
552 ms |
84828 KB |
Output is correct |