Submission #228036

#TimeUsernameProblemLanguageResultExecution timeMemory
228036staniewzkiMechanical Doll (IOI18_doll)C++17
28 / 100
138 ms8952 KiB
#include<bits/stdc++.h> using namespace std; #define REP(i, n) for(int i = 0; i < n; i++) #define FOR(i, a, b) for(int i = a; i <= b; i++) #define ST first #define ND second ostream& operator<<(ostream &out, string str) { for(char c : str) out << c; return out; } template<class L, class R> ostream& operator<<(ostream &out, pair<L, R> p) { return out << "(" << p.ST << ", " << p.ND << ")"; } template<class T> auto operator<<(ostream &out, T a) -> decltype(a.begin(), out) { out << "{"; for(auto it = a.begin(); it != a.end(); it = next(it)) out << (it != a.begin() ? ", " : "") << *it; return out << "}"; } void dump() { cerr << "\n"; } template<class T, class... Ts> void dump(T a, Ts... x) { cerr << a << ", "; dump(x...); } #ifdef DEBUG # define debug(...) cerr << "[" #__VA_ARGS__ "]: ", dump(__VA_ARGS__) #else # define debug(...) false #endif template<class T> int size(T && a) { return (int) a.size(); } using LL = long long; using PII = pair<int, int>; #include "doll.h" void create_circuit(int M, vector<int> A) { A.emplace_back(0); int dep = 0; while((1 << dep) < size(A)) dep++; reverse(A.begin(), A.end()); vector<int> x, y; auto construct = [&](auto self, int d, vector<int> t) { if(size(t) == 0) return -1; if(d == 0) return t[0]; x.emplace_back(), y.emplace_back(); int v = size(x) - 1; int q = min(1 << (d - 1), size(t)); vector<int> l, r; REP(i, size(t)) { if(i % 2 == 1 && size(l) < size(t) - q) l.emplace_back(t[i]); else r.emplace_back(t[i]); } x[v] = self(self, d - 1, l); y[v] = self(self, d - 1, r); return -(v + 1); }; construct(construct, dep, A); answer(vector<int>(M + 1, -1), x, y); }
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