Submission #1093864

#TimeUsernameProblemLanguageResultExecution timeMemory
1093864NonozeMechanical Doll (IOI18_doll)C++17
100 / 100
79 ms15156 KiB
/* * Author: Nonoze * Created: Sunday 11/08/2024 */ #include <bits/stdc++.h> #include "doll.h" using namespace std; #ifndef _IN_LOCAL #define dbg(...) #endif #define endl '\n' #define endlfl '\n' << flush #define quit(x) return (void)(cout << x << endl) template<typename T> void read(T& x) { cin >> x;} template<typename T1, typename T2> void read(pair<T1, T2>& p) { read(p.first), read(p.second);} template<typename T> void read(vector<T>& v) { for (auto& x : v) read(x); } template<typename T1, typename T2> void read(T1& x, T2& y) { read(x), read(y); } template<typename T1, typename T2, typename T3> void read(T1& x, T2& y, T3& z) { read(x), read(y), read(z); } template<typename T1, typename T2, typename T3, typename T4> void read(T1& x, T2& y, T3& z, T4& zz) { read(x), read(y), read(z), read(zz); } template<typename T> void print(vector<T>& v) { for (auto& x : v) cout << x << ' '; cout << endl; } #define sz(x) (int)(x.size()) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define pb push_back #define mp make_pair #define fi first #define se second #define cmin(a, b) a = min(a, b) #define cmax(a, b) a = max(a, b) // #define int long long const int inf = numeric_limits<int>::max() / 4; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); const int MOD = 1e9+7, LOG=25; int base=0; vector<int> ans, x, y, state; vector<pair<int, int>> par; void build(int prec, bool left, int mx, int nb) { if (nb==0) { if (prec<=0) ans[-prec]=base; else if (left) x[prec-1]=base; else y[prec-1]=base; return; } if (mx==1) { if (prec<=0) ans[-prec]=-inf; else if (left) x[prec-1]=-inf; else y[prec-1]=-inf; return; } if (prec<=0) ans[-prec]=-sz(x)-1; else if (left) x[prec-1]=-sz(x)-1; else y[prec-1]=-sz(x)-1; if (base==0) base=-sz(x)-1; x.pb(inf), y.pb(inf), par.pb({prec, left}); int s=sz(x); build(s, 1, mx/2, max(0, nb-mx/2)); build(s, 0, mx/2, min(nb, mx/2)); } void simulate(int empl, int val) { int nxt=(state[empl]?y[empl]:x[empl]); if (nxt==-inf) { if (state[empl]) y[empl]=val; else x[empl]=val; state[empl]^=1; return; } nxt=-nxt-1; state[empl]^=1; simulate(nxt, val); } void create_circuit(int m, vector<int> a) { int n=sz(a); ans.resize(m+1, inf); a.pb(0); state.resize(2*n); int mx=1; while (mx<sz(a)) mx*=2; build(0, 1, mx, sz(a)); for (auto u: a) simulate(-ans[0]-1, u); for (auto &u: ans) if (u==inf) u=ans[0]; answer(ans, x, y); }
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