제출 #874893

#제출 시각아이디문제언어결과실행 시간메모리
874893tuannm콤보 (IOI18_combo)C++17
100 / 100
11 ms1912 KiB
#include "combo.h" #include<bits/stdc++.h> using namespace std; string guess_sequence(int N){ int x; string s; char c[4] = {'A', 'B', 'X', 'Y'}; if(press("AB") >= 1){ x = (press("A") != 1); } else x = 2 + (press("X") < 1); s += c[x]; if(N == 1) return s; swap(c[x], c[3]); for(int i = 1; i < N - 1; ++i){ x = press(s + c[0] + c[0] + s + c[0] + c[1] + s + c[0] + c[2] + s + c[1]); if(x == i + 2) s += c[0]; else if(x == i + 1) s += c[1]; else s += c[2]; } if(press(s + c[0] + s + c[1]) == N){ if(press(s + c[0]) == N) s += c[0]; else s += c[1]; } else s += c[2]; return s; }
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