제출 #813249

#제출 시각아이디문제언어결과실행 시간메모리
813249Pikachu콤보 (IOI18_combo)C++17
5 / 100
1 ms208 KiB
#include <bits/stdc++.h> using namespace std; template<typename T> inline bool maxi(T &x, const T &val) { if (x < val) return x = val, true; return false; } template<typename T> inline bool mini(T &x, const T &val) { if (x > val) return x = val, true; return false; } int press(string p); char c[4] = {'A', 'B', 'X', 'Y'}; string guess_sequence(int n) { string ans = ""; if (press("AB")) { if (press("A")) ans += "A"; else ans += "B", swap(c[0], c[1]); } else { if (press("X")) ans += "X", swap(c[0], c[2]); else ans += "Y", swap(c[0], c[3]); } while ((int)ans.size() < n - 1) { string tmp = ""; for (int i = 1; i <= 3; i++) { tmp += (ans + c[1] + c[i]); } tmp += (ans + c[2]); int dak = press(tmp); if (dak == (int)ans.size()) { ans += c[3]; } else if (dak == (int)ans.size() + 1) { ans += c[2]; } else ans += c[1]; } if (press(ans + c[1]) == n) return ans + c[1]; if (press(ans + c[2]) == n) return ans + c[2]; return ans + c[3]; }
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