제출 #760779

#제출 시각아이디문제언어결과실행 시간메모리
760779Nonoze콤보 (IOI18_combo)C++14
100 / 100
22 ms740 KiB
#include "combo.h" #include <bits/stdc++.h> using namespace std; string guess_sequence(int N) { string S="A"; if (press("AB")) { if (press("B")) S="B"; } else { if (press("X")) S="X"; else S="Y"; } if (N==1) return S; vector<char> possible; if (S!="A") possible.push_back('A'); if (S!="B") possible.push_back('B'); if (S!="X") possible.push_back('X'); if (S!="Y") possible.push_back('Y'); for (int i = 2; i < N; ++i) { string verif=S+possible[0]; int taille=press(verif+possible[0]+verif+possible[1]+verif+possible[2]+S+possible[1]); if (taille>=i+1) { S+=possible[0]; } else if(taille==i) { S+=possible[1]; } else { S+=possible[2]; } } if (press(S+possible[0]+S+possible[1])==N) { if (press(S+possible[0])==N) S+=possible[0]; else S+=possible[1]; } else { S+=possible[2]; } return S; }
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