Submission #1207693

#TimeUsernameProblemLanguageResultExecution timeMemory
1207693countlessThe Collection Game (BOI21_swaps)C++20
0 / 100
0 ms412 KiB
// // --- Sample implementation for the task swaps --- // // To compile this program with the sample grader, place: // swaps.h swaps_sample.cpp sample_grader.cpp // in a single folder and run: // g++ swaps_sample.cpp sample_grader.cpp // in this folder. // #include "swaps.h" #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; const ll MOD = 998244353; const ll INF = 1e18; const ld EPS = 1e-12; #define endl "\n" #define sp <<" "<< #define REP(i, a, b) for(ll i = a; i < b; i++) #define dbg(x) cout << #x << " = " << x << endl #define mp make_pair #define pb push_back #define fi first #define se second #define fast_io() ios_base::sync_with_stdio(false); cin.tie(NULL) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define sz(x) ((ll)(x).size()) struct custom_hash { static uint64_t splitmix64(uint64_t x) { // http://xorshift.di.unimi.it/splitmix64.c x += 0x9e3779b97f4a7c15; x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9; x = (x ^ (x >> 27)) * 0x94d049bb133111eb; return x ^ (x >> 31); } size_t operator()(uint64_t x) const { static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count(); return splitmix64(x + FIXED_RANDOM); } }; template <typename Key, typename Value> using hash_map = unordered_map<Key, Value, custom_hash>; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); // uniform_int_distribution<int>(a, b)(rng); // shuffle(all(a), rng); // concurrent sorts // https://en.wikipedia.org/wiki/Bitonic_sorter void solve(int n, int v) { // 60% vector<int> at(n); iota(all(at), 1); vector<pair<pair<int, int>, int>> queries; auto query = [&](int a, int b, const int &par) -> void { if (par == 0) { swap(a, b); } schedule(at[a], at[b]); queries.push_back({{a, b}, par}); }; auto handle = [&]() -> void { vector<int> res = visit(); int m = queries.size(); int a, b, par; }; for (int k = 2; k <= n; k *= 2) { for (int j = k/2; j > 0; j /= 2) { for (int i = 0; i < n; i++) { int l = i ^ j; if (l > i) { query(i, l, i & k); } } handle(); } } reverse(all(at)); answer(at); }
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