제출 #756172

#제출 시각아이디문제언어결과실행 시간메모리
756172thinknoexit콤보 (IOI18_combo)C++17
100 / 100
31 ms652 KiB
#include "combo.h" #include <iostream> using namespace std; string guess_sequence(int N) { string ans, p; if (press("AB")) { if (press("A")) ans = "A", p = "BXY"; else ans = "B", p = "AXY"; } else { if (press("X")) ans = "X", p = "ABY"; else ans = "Y", p = "ABX"; } if (N == 1) { return ans; } while ((int)ans.size() < N - 1) { int t = press(ans + p[0] + ans + p[1] + p[0] + ans + p[1] + p[1] + ans + p[1] + p[2]); if ((int)ans.size() == t - 1) ans += p[0]; else if ((int)ans.size() == t - 2) ans += p[1]; else ans += p[2]; } if ((int)ans.size() != press(ans + p[0])) ans += p[0]; else if ((int)ans.size() != press(ans + p[1])) ans += p[1]; else ans += p[2]; return ans; }
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