제출 #256928

#제출 시각아이디문제언어결과실행 시간메모리
256928lani1akea콤보 (IOI18_combo)C++17
100 / 100
41 ms724 KiB
#include <bits/stdc++.h> #include "combo.h" using namespace std; string guess_sequence(int N) { int x; string s; char ch[] = {'A', 'B', 'X', 'Y'}; if ( press("AB") >= 1) x = press("A") != 1; else x = 2 + (press("X") < 1); s += ch[x]; if (N == 1) return s; swap(ch[x], ch[3]); for (int i = 1; i < N - 1; ++i) { x = press(s + ch[0] + ch[0] + s + ch[0] + ch[1] + s + ch[0] + ch[2] + s + ch[1]); if ( x == i + 2) s += ch[0]; else if ( x == i + 1) s += ch[1]; else s += ch[2]; } if (press(s + ch[0] + s + ch[1]) == N) { if (press(s + ch[0]) == N) s += ch[0]; else s += ch[1]; } else s += ch[2]; return s; }
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