Submission #422832

#TimeUsernameProblemLanguageResultExecution timeMemory
422832amoo_safarMechanical Doll (IOI18_doll)C++17
28 / 100
166 ms11864 KiB
#include "doll.h" #include <bits/stdc++.h> #define pb push_back #define F first #define S second using namespace std; vector<int> X, Y; int uni = 12345678; int Solve(vector<int> A){ // cerr << "!! " ; // for(auto x : A) cerr << x << ' '; // cerr << '\n'; if(A[0] == -1){ // X.pb(uni); // Y.pb(uni); // return -((int) X.size()); return uni; } if(A.size() == 1) return A[0]; int n = A.size(); vector<int> G, B, L, R; for(auto x : A) (x == -1 ? B : G).pb(x); int cnt = 0; for(auto x : A) cnt += (x >= 0); if(cnt <= n / 2){ for(int i = 0; i < n / 2; i++) L.pb(A[i]); for(int i = n / 2; i < n; i++) R.pb(A[i]); } else { int rm = n - cnt; for(int i = 0; i < (n / 2) - rm; i++){ L.pb(A[i + i]); R.pb(A[i + i + 1]); } int la = ((n / 2) - rm) * 2; for(int i = 0; i < rm; i++){ L.pb(A[la + i]); R.pb(-1); } } int lf = Solve(L); int rt = Solve(R); X.pb(lf); Y.pb(rt); return -((int) X.size()); } void create_circuit(int m, vector<int> A) { A.pb(0); reverse(A.begin(), A.end()); int n = A.size(); int sz = n; for(int i = 0; i < 30; i++){ if((1 << i) >= n){ sz = (1 << i); break; } } A.resize(sz, -1); // vector<int> B(A.size() - sz); int rt = Solve(A); vector<int> C(m + 1, rt); for(auto &x : X) if(x == uni) x = rt; for(auto &x : Y) if(x == uni) x = rt; // cerr << "! "; // for(auto x : C) cerr << x << ' '; // cerr << '\n'; // cerr << "# "; // for(int i = 0; i < X.size(); i++) // cerr << X[i] << ':' << Y[i] << '\n'; // cerr << '\n'; answer(C, Y, X); }
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