#include <bits/stdc++.h>
#define y1 theboatman
#define make_struct(args...) {args}
using namespace std;
const int inf = 1e9 + 10;
const int N = 1e6 + 10;
struct tree {
int n;
vector <int> t, f;
void init(int temp) {
n = temp;
t.resize(n * 4);
f.resize(n * 4);
}
void inc(int pos) {
if(f[pos])return;
f[pos] = 1;
for(int i = pos; i <= n; i += i & -i) {
t[i] += 1;
}
}
int get(int pos) {
int res = 0;
for(int i = pos; i > 0; i -= i & -i) {
res += t[i];
}
return res;
}
int get(int l, int r) {
return get(r) - get(l - 1);
}
};
int main() {
cin.tie(0);
ios::sync_with_stdio(0);
int n;
cin >> n;
vector <int> a(n);
for(int i = 0; i < n; i++) {
cin >> a[i];
}
int now = 0, x = 0;
while(now < n && x <= a[now]) {
x = a[now];
now++;
}
tree bank;
bank.init(N);
set <int> s;
for(int i = 0; i < now; i++) {
bank.inc(a[i]);
s.insert(a[i]);
}
int ans = 0;
for(int i = now; i < n; i++) {
ans++;
int l = *s.begin(), r = *--s.end();
//cout << a[i] << " " << l << " " << r << endl;
if (a[i] >= r) {
int x = 0;
while(i < n && x <= a[i]) {
x = a[i];
bank.inc(x);
s.insert(x);
i++;
}
i--;
}
else {
vector <int> lazy;
if (a[i] < l) {
int x = 0;
while(i < n && x <= a[i] && a[i] <= l) {
x = a[i];
lazy.push_back(x);
i++;
}
i--;
}
else {
int x = 0;
int les = *--s.upper_bound(a[i]);
while(i < n && x <= a[i]) {
auto more = s.lower_bound(a[i]);
if (more == s.end()) {
break;
}
int pos = bank.get(1, les);
int pos1 = bank.get(1, *more);
//cout << les << " " << *more << " " << pos << " " << pos1 << " " << i << endl;
if (pos1 - pos <= 1) {
x = a[i];
lazy.push_back(x);
i++;
}
else {
break;
}
}
i--;
}
for(auto it : lazy) {
bank.inc(it);
s.insert(it);
}
}
}
cout << ans + 1 << "\n";
return 0;
}
/*
find_by_order(X) k -> элемент, нумерация с нуля
order_of_key(X) кол-во < чем X
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
30 ms |
31608 KB |
Output is correct |
2 |
Correct |
30 ms |
31608 KB |
Output is correct |
3 |
Correct |
34 ms |
31692 KB |
Output is correct |
4 |
Correct |
35 ms |
31736 KB |
Output is correct |
5 |
Correct |
30 ms |
31612 KB |
Output is correct |
6 |
Correct |
29 ms |
31608 KB |
Output is correct |
7 |
Correct |
39 ms |
31608 KB |
Output is correct |
8 |
Correct |
35 ms |
31608 KB |
Output is correct |
9 |
Correct |
34 ms |
31604 KB |
Output is correct |
10 |
Correct |
37 ms |
31608 KB |
Output is correct |
11 |
Correct |
30 ms |
31608 KB |
Output is correct |
12 |
Correct |
30 ms |
31664 KB |
Output is correct |
13 |
Correct |
29 ms |
31608 KB |
Output is correct |
14 |
Correct |
30 ms |
31776 KB |
Output is correct |
15 |
Correct |
31 ms |
31608 KB |
Output is correct |
16 |
Correct |
30 ms |
31608 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
30 ms |
31608 KB |
Output is correct |
2 |
Correct |
30 ms |
31608 KB |
Output is correct |
3 |
Correct |
34 ms |
31692 KB |
Output is correct |
4 |
Correct |
35 ms |
31736 KB |
Output is correct |
5 |
Correct |
30 ms |
31612 KB |
Output is correct |
6 |
Correct |
29 ms |
31608 KB |
Output is correct |
7 |
Correct |
39 ms |
31608 KB |
Output is correct |
8 |
Correct |
35 ms |
31608 KB |
Output is correct |
9 |
Correct |
34 ms |
31604 KB |
Output is correct |
10 |
Correct |
37 ms |
31608 KB |
Output is correct |
11 |
Correct |
30 ms |
31608 KB |
Output is correct |
12 |
Correct |
30 ms |
31664 KB |
Output is correct |
13 |
Correct |
29 ms |
31608 KB |
Output is correct |
14 |
Correct |
30 ms |
31776 KB |
Output is correct |
15 |
Correct |
31 ms |
31608 KB |
Output is correct |
16 |
Correct |
30 ms |
31608 KB |
Output is correct |
17 |
Correct |
30 ms |
31608 KB |
Output is correct |
18 |
Correct |
29 ms |
31608 KB |
Output is correct |
19 |
Correct |
29 ms |
31736 KB |
Output is correct |
20 |
Correct |
30 ms |
31608 KB |
Output is correct |
21 |
Correct |
30 ms |
31736 KB |
Output is correct |
22 |
Correct |
30 ms |
31612 KB |
Output is correct |
23 |
Correct |
30 ms |
31608 KB |
Output is correct |
24 |
Correct |
30 ms |
31612 KB |
Output is correct |
25 |
Correct |
30 ms |
31656 KB |
Output is correct |
26 |
Correct |
30 ms |
31612 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
30 ms |
31608 KB |
Output is correct |
2 |
Correct |
30 ms |
31608 KB |
Output is correct |
3 |
Correct |
34 ms |
31692 KB |
Output is correct |
4 |
Correct |
35 ms |
31736 KB |
Output is correct |
5 |
Correct |
30 ms |
31612 KB |
Output is correct |
6 |
Correct |
29 ms |
31608 KB |
Output is correct |
7 |
Correct |
39 ms |
31608 KB |
Output is correct |
8 |
Correct |
35 ms |
31608 KB |
Output is correct |
9 |
Correct |
34 ms |
31604 KB |
Output is correct |
10 |
Correct |
37 ms |
31608 KB |
Output is correct |
11 |
Correct |
30 ms |
31608 KB |
Output is correct |
12 |
Correct |
30 ms |
31664 KB |
Output is correct |
13 |
Correct |
29 ms |
31608 KB |
Output is correct |
14 |
Correct |
30 ms |
31776 KB |
Output is correct |
15 |
Correct |
31 ms |
31608 KB |
Output is correct |
16 |
Correct |
30 ms |
31608 KB |
Output is correct |
17 |
Correct |
30 ms |
31608 KB |
Output is correct |
18 |
Correct |
29 ms |
31608 KB |
Output is correct |
19 |
Correct |
29 ms |
31736 KB |
Output is correct |
20 |
Correct |
30 ms |
31608 KB |
Output is correct |
21 |
Correct |
30 ms |
31736 KB |
Output is correct |
22 |
Correct |
30 ms |
31612 KB |
Output is correct |
23 |
Correct |
30 ms |
31608 KB |
Output is correct |
24 |
Correct |
30 ms |
31612 KB |
Output is correct |
25 |
Correct |
30 ms |
31656 KB |
Output is correct |
26 |
Correct |
30 ms |
31612 KB |
Output is correct |
27 |
Correct |
31 ms |
31668 KB |
Output is correct |
28 |
Correct |
29 ms |
31608 KB |
Output is correct |
29 |
Correct |
29 ms |
31608 KB |
Output is correct |
30 |
Correct |
30 ms |
31608 KB |
Output is correct |
31 |
Correct |
30 ms |
31608 KB |
Output is correct |
32 |
Correct |
30 ms |
31608 KB |
Output is correct |
33 |
Correct |
38 ms |
31608 KB |
Output is correct |
34 |
Correct |
31 ms |
31700 KB |
Output is correct |
35 |
Correct |
30 ms |
31608 KB |
Output is correct |
36 |
Correct |
32 ms |
31768 KB |
Output is correct |
37 |
Correct |
30 ms |
31608 KB |
Output is correct |
38 |
Correct |
30 ms |
31608 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
30 ms |
31608 KB |
Output is correct |
2 |
Correct |
30 ms |
31608 KB |
Output is correct |
3 |
Correct |
34 ms |
31692 KB |
Output is correct |
4 |
Correct |
35 ms |
31736 KB |
Output is correct |
5 |
Correct |
30 ms |
31612 KB |
Output is correct |
6 |
Correct |
29 ms |
31608 KB |
Output is correct |
7 |
Correct |
39 ms |
31608 KB |
Output is correct |
8 |
Correct |
35 ms |
31608 KB |
Output is correct |
9 |
Correct |
34 ms |
31604 KB |
Output is correct |
10 |
Correct |
37 ms |
31608 KB |
Output is correct |
11 |
Correct |
30 ms |
31608 KB |
Output is correct |
12 |
Correct |
30 ms |
31664 KB |
Output is correct |
13 |
Correct |
29 ms |
31608 KB |
Output is correct |
14 |
Correct |
30 ms |
31776 KB |
Output is correct |
15 |
Correct |
31 ms |
31608 KB |
Output is correct |
16 |
Correct |
30 ms |
31608 KB |
Output is correct |
17 |
Correct |
30 ms |
31608 KB |
Output is correct |
18 |
Correct |
29 ms |
31608 KB |
Output is correct |
19 |
Correct |
29 ms |
31736 KB |
Output is correct |
20 |
Correct |
30 ms |
31608 KB |
Output is correct |
21 |
Correct |
30 ms |
31736 KB |
Output is correct |
22 |
Correct |
30 ms |
31612 KB |
Output is correct |
23 |
Correct |
30 ms |
31608 KB |
Output is correct |
24 |
Correct |
30 ms |
31612 KB |
Output is correct |
25 |
Correct |
30 ms |
31656 KB |
Output is correct |
26 |
Correct |
30 ms |
31612 KB |
Output is correct |
27 |
Correct |
31 ms |
31668 KB |
Output is correct |
28 |
Correct |
29 ms |
31608 KB |
Output is correct |
29 |
Correct |
29 ms |
31608 KB |
Output is correct |
30 |
Correct |
30 ms |
31608 KB |
Output is correct |
31 |
Correct |
30 ms |
31608 KB |
Output is correct |
32 |
Correct |
30 ms |
31608 KB |
Output is correct |
33 |
Correct |
38 ms |
31608 KB |
Output is correct |
34 |
Correct |
31 ms |
31700 KB |
Output is correct |
35 |
Correct |
30 ms |
31608 KB |
Output is correct |
36 |
Correct |
32 ms |
31768 KB |
Output is correct |
37 |
Correct |
30 ms |
31608 KB |
Output is correct |
38 |
Correct |
30 ms |
31608 KB |
Output is correct |
39 |
Correct |
135 ms |
33508 KB |
Output is correct |
40 |
Correct |
220 ms |
34800 KB |
Output is correct |
41 |
Correct |
112 ms |
33272 KB |
Output is correct |
42 |
Correct |
122 ms |
33060 KB |
Output is correct |
43 |
Correct |
93 ms |
32588 KB |
Output is correct |
44 |
Correct |
253 ms |
35540 KB |
Output is correct |
45 |
Correct |
254 ms |
35576 KB |
Output is correct |
46 |
Correct |
271 ms |
35676 KB |
Output is correct |
47 |
Correct |
229 ms |
35540 KB |
Output is correct |
48 |
Correct |
231 ms |
35544 KB |
Output is correct |
49 |
Correct |
1135 ms |
54136 KB |
Output is correct |
50 |
Correct |
1111 ms |
54428 KB |
Output is correct |
51 |
Correct |
1006 ms |
54352 KB |
Output is correct |
52 |
Correct |
1048 ms |
54340 KB |
Output is correct |
53 |
Correct |
997 ms |
54360 KB |
Output is correct |
54 |
Correct |
951 ms |
54548 KB |
Output is correct |
55 |
Execution timed out |
1573 ms |
77012 KB |
Time limit exceeded |
56 |
Halted |
0 ms |
0 KB |
- |