제출 #884423

#제출 시각아이디문제언어결과실행 시간메모리
884423AkibAzmain콤보 (IOI18_combo)C++17
100 / 100
12 ms1844 KiB
#include <bits/stdc++.h> using namespace std; #include "combo.h" std::string guess_sequence(int n) { std::string p = ""; string s; if (press ("AB")) { if (press ("A")) s = "A"; else s = "B"; } else { if (press ("X")) s = "X"; else s = "Y"; } if (n == 1) return s; char c1 = 'A', c2 = 'B', c3 = 'X'; if (s[0] == c1) c1 = 'Y'; if (s[0] == c2) c2 = 'Y'; if (s[0] == c3) c3 = 'Y'; for (int i = 1; i < n - 1; ++i) switch (press (s + c1 + s + c2 + c1 + s + c2 + c2 + s + c2 + c3) - s.size ()) { case 0: s += c3; break; case 1: s += c1; break; case 2: s += c2; break; } if (press (s + c1) == n) s += c1; else if (press (s + c2) == n) s += c2; else s += c3; return s; }
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