cp/codeforces/935/f.cc
2025-08-31 23:25:57 -05:00

125 lines
2.4 KiB
C++

#include <bits/stdc++.h> // {{{
#include <version>
#ifdef __cpp_lib_ranges_enumerate
#include <ranges>
namespace rv = std::views;
namespace rs = std::ranges;
#endif
// https://codeforces.com/blog/entry/96344
#pragma GCC optimize("O2,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
using namespace std;
using i32 = int32_t;
using u32 = uint32_t;
using i64 = int64_t;
using u64 = uint64_t;
using f64 = double;
using f128 = long double;
#if __cplusplus >= 202002L
template <typename T>
constexpr T MIN = std::numeric_limits<T>::min();
template <typename T>
constexpr T MAX = std::numeric_limits<T>::max();
template <typename T>
[[nodiscard]] static T sc(auto&& x) {
return static_cast<T>(x);
}
template <typename T>
[[nodiscard]] static T sz(auto&& x) {
return static_cast<T>(x.size());
}
#endif
static void NO() {
std::cout << "NO\n";
}
static void YES() {
std::cout << "YES\n";
}
template <typename T>
using vec = std::vector<T>;
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define ff first
#define ss second
#ifdef LOCAL
#define db(...) std::print(__VA_ARGS__)
#define dbln(...) std::println(__VA_ARGS__)
#else
#define db(...)
#define dbln(...)
#endif
// }}}
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
void solve() {
u32 n;
cin >> n;
vec<u64> a(n);
for (auto& e : a)
cin >> e;
vec<u32> permutation(n);
for (auto& e : permutation)
cin >> e;
__gnu_pbds::tree<pair<u64, u32>, __gnu_pbds::null_type, less<pair<u64, u32>>,
__gnu_pbds::rb_tree_tag,
__gnu_pbds::tree_order_statistics_node_update>
tree;
for (u32 i = 0; i < n; ++i)
tree.insert({a[i], i});
u64 ans = 0, count = 0;
for (u32 i = 0; i < n; ++i) {
u32 k = min(i + 1, (u32)tree.size());
u64 score = (u64)k * tree.find_by_order(tree.size() - k)->first;
if (score > ans) {
ans = score;
count = k;
}
u32 j = permutation[i] - 1;
tree.erase({a[j], j});
}
println("{} {}", ans, count);
}
int main() { // {{{
std::cin.exceptions(std::cin.failbit);
#ifdef LOCAL
std::cerr.rdbuf(std::cout.rdbuf());
std::cout.setf(std::ios::unitbuf);
std::cerr.setf(std::ios::unitbuf);
#else
std::cin.tie(nullptr)->sync_with_stdio(false);
#endif
u32 tc = 1;
std::cin >> tc;
for (u32 t = 0; t < tc; ++t) {
solve();
}
return 0;
}
// }}}