Codeforces-solutions/Codeforces Round 1028 (Div. 2)/B. Gellyfish and Baby's Breath.cpp

175 lines
3.3 KiB
C++

/* Problem URL: https://codeforces.com/contest/2116/problem/B */
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
template <class T, class comp = less<>>
using ordered_set = tree<T, null_type , comp , rb_tree_tag , tree_order_statistics_node_update>;
#define V vector
#define rmin(a, b) a = min(a, b)
#define rmax(a, b) a = max(a, b)
#define rep(i, lim) for (int i = 0; i < (lim); i++)
#define nrep(i, s, lim) for (int i = s; i < (lim); i++)
#define repv(i, v) for (auto &i : (v))
#define fillv(v) for (auto &itr_ : (v)) { cin >> itr_; }
#define sortv(v) sort(v.begin(), v.end())
#define all(v) (v).begin(), (v).end()
using vi = vector<int>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
using vvvvi = vector<vvvi>;
using ll = long long;
using vl = vector<ll>;
using vvl = vector<vl>;
using vvvl = vector<vvl>;
using vvvvl = vector<vvvl>;
template<class v>
auto operator<<(ostream &os, const vector<v> &vec)->ostream& {
os << vec[0];
for (size_t i = 1; i < vec.size(); i++) {
os << ' ' << vec[i];
}
os << '\n';
return os;
}
template<class v>
auto operator>>(istream &is, vector<v> &vec)->istream& {
for (auto &i : vec) {
is >> i;
}
return is;
}
template<class v>
auto operator<<(ostream &os, const vector<vector<v>> &vec)->ostream& {
for (auto &i : vec) {
os << i[0];
for (size_t j = 1; j < i.size(); j++) {
os << ' ' << i[j];
}
os << '\n';
}
return os;
}
template<class v>
auto operator>>(istream &is, vector<vector<v>> &vec)->istream& {
for (auto &i : vec) {
for (auto &j : i) {
is >> j;
}
}
return is;
}
const int oo = INT32_MAX >> 1;
const ll OO = INT64_MAX >> 1;
void pre()
{
}
#define TEST 1
void solve()
{
int n;
cin >> n;
vi apos(n);
vi bpos(n);
vi a(n);
vi b(n);
rep(i, n) {
int p;
cin >> p;
apos[p] = i;
a[i] = p;
}
rep(i, n) {
int p;
cin >> p;
bpos[p] = i;
b[i] = p;
}
V<pair<int, int>> ans(n);
set<int> pos;
rep(i, n) {
pos.insert(i);
}
for (int i = n - 1; i >= 0; i--) {
set<int> rem;
auto getans = [&](int now, int p, vi &other) {
auto itr = pos.lower_bound(p);
while (itr != pos.end()) {
pair<int, int> act = {now, other[*itr - p]};
rmax(ans[*itr], act);
rem.insert(*itr);
itr++;
}
};
getans(a[apos[i]], apos[i], b);
getans(b[bpos[i]], bpos[i], a);
repv(i, rem) {
pos.erase(i);
}
}
const ll mod = 998244353;
auto fpow = [&](ll a, ll p) {
ll ans = 1;
rep(i, 30) {
if ((p >> i) & 1) {
ans = (ans * a) % mod;
}
a = (a * a) % mod;
}
return ans;
};
rep(i, n) {
cout << (fpow(2, ans[i].first) + fpow(2, ans[i].second)) % mod << " \n"[i == n - 1];
}
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(nullptr);
pre();
int t;
(TEST && cin >> t) || (t = 1);
while (t--) {
solve();
}
}