제출 #1008493

#제출 시각아이디문제언어결과실행 시간메모리
1008493nickolasarapidis콤보 (IOI18_combo)C++17
0 / 100
0 ms348 KiB
#include <bits/stdc++.h> #include "combo.h" using namespace std; string guess_sequence(int N){ string S = ""; int first = 5; bool a; char buttons[4] = {'A', 'B', 'X', 'Y'}; vector<char> b; // size of b = 3 for(int i = 0; i < 3; i++){ if(press(S + buttons[i]) > 0){ first = i; S += buttons[i]; break; } } if(first == 5){ first = 3; S += buttons[3]; } // Q = 3 at worst for(int i = 0; i < 4; i++){ if(i != first){ b.push_back(buttons[i]); } } for(int i = 1; i < N; i++){ a = false; for(int i = 0; i < 2; i++){ if(press(S + b[i]) == i + 1){ S += b[i]; a = true; break; } } if(a == false){ S += b[2]; } } // Q = 2*(N - 1) + 3 at worst return S; }
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