#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define f first
#define s second
#define pb push_back
#define ep emplace
#define eb emplace_back
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define uniquev(v) sort(all(v)), (v).resize(unique(all(v)) - (v).begin())
#define mem(f,x) memset(f , x , sizeof(f))
#define sz(x) (ll)(x).size()
#define __lcm(a, b) (1ll * ((a) / __gcd((a), (b))) * (b))
#define mxx *max_element
#define mnn *min_element
#define cntbit(x) __builtin_popcountll(x)
#define len(x) (int)(x.length())
ll mod = 1e9 + 7;
const int N = 1e6 + 1;
int st[N * 4];
void upd(int id, int l, int r, int p, int v) {
st[id] = max(st[id], v);
if (l == r) {
return;
}
int m = (l + r) / 2;
if (m >= p) {
upd(id * 2, l, m, p, v);
} else {
upd(id * 2 + 1, m + 1, r, p, v);
}
}
int get(int id, int l, int r, int u, int v) {
if (l > v || r < u || u > v)
return 0;
if (l >= u && r <= v) {
return st[id];
}
int m = (l + r) / 2;
return max(get(id * 2, l, m, u, v), get(id * 2 + 1, m + 1, r, u, v));
}
int a[N], f[N], len = 0;
vector <int> layer[N], lst;
int dfs(int u) {
lst.pb(u);
if (f[u] == len)
return 1;
while (sz(layer[f[u] + 1]) && layer[f[u] + 1].back() < u) {
layer[f[u] + 1].pop_back();
}
while (sz(layer[f[u] + 1]) && a[layer[f[u] + 1].back()] > a[u]) {
int is = dfs(layer[f[u] + 1].back());
layer[f[u] + 1].pop_back();
if (is) {
return 1;
}
}
lst.pop_back();
return 0;
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n;
cin >> n;
for (int i = 1; i <= n; i++) {
cin >> a[i];
}
for (int i = 1; i <= n; i++) {
f[i] = get(1, 1, n, 1, a[i] - 1) + 1;
upd(1, 1, n, a[i], f[i]);
len = max(len, f[i]);
}
for (int i = n; i >= 1; i--) {
layer[f[i]].pb(i);
}
vector < vector <int>> ans;
while (sz(layer[1])) {
lst.clear();
if (dfs(layer[1].back())) {
ans.pb(lst);
}
layer[1].pop_back();
}
cout << sz(ans) << " " << len << '\n';
for (auto x : ans) {
for (auto t : x) {
cout << t << ' ';
}
cout << '\n';
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
27224 KB |
Output is correct |
2 |
Correct |
5 ms |
27228 KB |
Output is correct |
3 |
Correct |
4 ms |
27272 KB |
Output is correct |
4 |
Correct |
4 ms |
27228 KB |
Output is correct |
5 |
Correct |
4 ms |
27324 KB |
Output is correct |
6 |
Correct |
6 ms |
27228 KB |
Output is correct |
7 |
Correct |
4 ms |
27228 KB |
Output is correct |
8 |
Correct |
5 ms |
27228 KB |
Output is correct |
9 |
Correct |
5 ms |
27224 KB |
Output is correct |
10 |
Correct |
4 ms |
27268 KB |
Output is correct |
11 |
Correct |
5 ms |
27224 KB |
Output is correct |
12 |
Correct |
4 ms |
27228 KB |
Output is correct |
13 |
Correct |
4 ms |
27228 KB |
Output is correct |
14 |
Correct |
4 ms |
27228 KB |
Output is correct |
15 |
Correct |
4 ms |
27228 KB |
Output is correct |
16 |
Correct |
4 ms |
27312 KB |
Output is correct |
17 |
Correct |
4 ms |
27312 KB |
Output is correct |
18 |
Correct |
4 ms |
27228 KB |
Output is correct |
19 |
Correct |
4 ms |
27228 KB |
Output is correct |
20 |
Correct |
4 ms |
27228 KB |
Output is correct |
21 |
Correct |
4 ms |
27228 KB |
Output is correct |
22 |
Correct |
4 ms |
27228 KB |
Output is correct |
23 |
Correct |
4 ms |
27224 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
27224 KB |
Output is correct |
2 |
Correct |
5 ms |
27228 KB |
Output is correct |
3 |
Correct |
4 ms |
27272 KB |
Output is correct |
4 |
Correct |
4 ms |
27228 KB |
Output is correct |
5 |
Correct |
4 ms |
27324 KB |
Output is correct |
6 |
Correct |
6 ms |
27228 KB |
Output is correct |
7 |
Correct |
4 ms |
27228 KB |
Output is correct |
8 |
Correct |
5 ms |
27228 KB |
Output is correct |
9 |
Correct |
5 ms |
27224 KB |
Output is correct |
10 |
Correct |
4 ms |
27268 KB |
Output is correct |
11 |
Correct |
5 ms |
27224 KB |
Output is correct |
12 |
Correct |
4 ms |
27228 KB |
Output is correct |
13 |
Correct |
4 ms |
27228 KB |
Output is correct |
14 |
Correct |
4 ms |
27228 KB |
Output is correct |
15 |
Correct |
4 ms |
27228 KB |
Output is correct |
16 |
Correct |
4 ms |
27312 KB |
Output is correct |
17 |
Correct |
4 ms |
27312 KB |
Output is correct |
18 |
Correct |
4 ms |
27228 KB |
Output is correct |
19 |
Correct |
4 ms |
27228 KB |
Output is correct |
20 |
Correct |
4 ms |
27228 KB |
Output is correct |
21 |
Correct |
4 ms |
27228 KB |
Output is correct |
22 |
Correct |
4 ms |
27228 KB |
Output is correct |
23 |
Correct |
4 ms |
27224 KB |
Output is correct |
24 |
Correct |
6 ms |
27228 KB |
Output is correct |
25 |
Correct |
4 ms |
27228 KB |
Output is correct |
26 |
Correct |
5 ms |
27228 KB |
Output is correct |
27 |
Correct |
5 ms |
27228 KB |
Output is correct |
28 |
Correct |
4 ms |
27228 KB |
Output is correct |
29 |
Correct |
4 ms |
27308 KB |
Output is correct |
30 |
Correct |
5 ms |
27228 KB |
Output is correct |
31 |
Correct |
5 ms |
27240 KB |
Output is correct |
32 |
Correct |
5 ms |
27272 KB |
Output is correct |
33 |
Correct |
4 ms |
27228 KB |
Output is correct |
34 |
Correct |
5 ms |
27228 KB |
Output is correct |
35 |
Correct |
4 ms |
27224 KB |
Output is correct |
36 |
Correct |
4 ms |
27280 KB |
Output is correct |
37 |
Correct |
5 ms |
27228 KB |
Output is correct |
38 |
Correct |
6 ms |
27228 KB |
Output is correct |
39 |
Correct |
5 ms |
27236 KB |
Output is correct |
40 |
Correct |
5 ms |
27228 KB |
Output is correct |
41 |
Correct |
4 ms |
27268 KB |
Output is correct |
42 |
Correct |
5 ms |
27228 KB |
Output is correct |
43 |
Correct |
4 ms |
27228 KB |
Output is correct |
44 |
Correct |
6 ms |
27244 KB |
Output is correct |
45 |
Correct |
4 ms |
27228 KB |
Output is correct |
46 |
Correct |
5 ms |
27224 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
27224 KB |
Output is correct |
2 |
Correct |
5 ms |
27228 KB |
Output is correct |
3 |
Correct |
4 ms |
27272 KB |
Output is correct |
4 |
Correct |
4 ms |
27228 KB |
Output is correct |
5 |
Correct |
4 ms |
27324 KB |
Output is correct |
6 |
Correct |
6 ms |
27228 KB |
Output is correct |
7 |
Correct |
4 ms |
27228 KB |
Output is correct |
8 |
Correct |
5 ms |
27228 KB |
Output is correct |
9 |
Correct |
5 ms |
27224 KB |
Output is correct |
10 |
Correct |
4 ms |
27268 KB |
Output is correct |
11 |
Correct |
5 ms |
27224 KB |
Output is correct |
12 |
Correct |
4 ms |
27228 KB |
Output is correct |
13 |
Correct |
4 ms |
27228 KB |
Output is correct |
14 |
Correct |
4 ms |
27228 KB |
Output is correct |
15 |
Correct |
4 ms |
27228 KB |
Output is correct |
16 |
Correct |
4 ms |
27312 KB |
Output is correct |
17 |
Correct |
4 ms |
27312 KB |
Output is correct |
18 |
Correct |
4 ms |
27228 KB |
Output is correct |
19 |
Correct |
4 ms |
27228 KB |
Output is correct |
20 |
Correct |
4 ms |
27228 KB |
Output is correct |
21 |
Correct |
4 ms |
27228 KB |
Output is correct |
22 |
Correct |
4 ms |
27228 KB |
Output is correct |
23 |
Correct |
4 ms |
27224 KB |
Output is correct |
24 |
Correct |
6 ms |
27228 KB |
Output is correct |
25 |
Correct |
4 ms |
27228 KB |
Output is correct |
26 |
Correct |
5 ms |
27228 KB |
Output is correct |
27 |
Correct |
5 ms |
27228 KB |
Output is correct |
28 |
Correct |
4 ms |
27228 KB |
Output is correct |
29 |
Correct |
4 ms |
27308 KB |
Output is correct |
30 |
Correct |
5 ms |
27228 KB |
Output is correct |
31 |
Correct |
5 ms |
27240 KB |
Output is correct |
32 |
Correct |
5 ms |
27272 KB |
Output is correct |
33 |
Correct |
4 ms |
27228 KB |
Output is correct |
34 |
Correct |
5 ms |
27228 KB |
Output is correct |
35 |
Correct |
4 ms |
27224 KB |
Output is correct |
36 |
Correct |
4 ms |
27280 KB |
Output is correct |
37 |
Correct |
5 ms |
27228 KB |
Output is correct |
38 |
Correct |
6 ms |
27228 KB |
Output is correct |
39 |
Correct |
5 ms |
27236 KB |
Output is correct |
40 |
Correct |
5 ms |
27228 KB |
Output is correct |
41 |
Correct |
4 ms |
27268 KB |
Output is correct |
42 |
Correct |
5 ms |
27228 KB |
Output is correct |
43 |
Correct |
4 ms |
27228 KB |
Output is correct |
44 |
Correct |
6 ms |
27244 KB |
Output is correct |
45 |
Correct |
4 ms |
27228 KB |
Output is correct |
46 |
Correct |
5 ms |
27224 KB |
Output is correct |
47 |
Correct |
141 ms |
40532 KB |
Output is correct |
48 |
Correct |
147 ms |
40944 KB |
Output is correct |
49 |
Correct |
192 ms |
46872 KB |
Output is correct |
50 |
Correct |
339 ms |
52892 KB |
Output is correct |
51 |
Correct |
76 ms |
32340 KB |
Output is correct |
52 |
Correct |
378 ms |
143784 KB |
Output is correct |
53 |
Correct |
347 ms |
113316 KB |
Output is correct |
54 |
Correct |
301 ms |
61560 KB |
Output is correct |
55 |
Correct |
398 ms |
61776 KB |
Output is correct |
56 |
Correct |
7 ms |
27480 KB |
Output is correct |
57 |
Correct |
283 ms |
49916 KB |
Output is correct |
58 |
Correct |
59 ms |
31824 KB |
Output is correct |
59 |
Correct |
49 ms |
31316 KB |
Output is correct |
60 |
Correct |
286 ms |
50256 KB |
Output is correct |
61 |
Correct |
184 ms |
42068 KB |
Output is correct |
62 |
Correct |
5 ms |
27224 KB |
Output is correct |
63 |
Correct |
4 ms |
27224 KB |
Output is correct |
64 |
Correct |
4 ms |
27228 KB |
Output is correct |
65 |
Correct |
4 ms |
27224 KB |
Output is correct |
66 |
Correct |
5 ms |
27312 KB |
Output is correct |
67 |
Correct |
4 ms |
27228 KB |
Output is correct |
68 |
Correct |
4 ms |
27268 KB |
Output is correct |
69 |
Correct |
4 ms |
27228 KB |
Output is correct |