제출 #76736

#제출 시각아이디문제언어결과실행 시간메모리
76736shoemakerjo콤보 (IOI18_combo)C++14
100 / 100
56 ms564 KiB
#include "combo.h" #include <bits/stdc++.h> using namespace std; string guess_sequence(int N) { string p = ""; if (press("AB") > 0) { if (press("A") > 0) p += 'A'; else p += 'B'; } else { if (press("X") > 0) p += 'X'; else p += 'Y'; } if (N == 1) return p; vector<string> stuff; if (p != "A") stuff.push_back("A"); if (p != "B") stuff.push_back("B"); if (p != "X") stuff.push_back("X"); if (p != "Y") stuff.push_back("Y"); for (int i = 2; i < N; i++) { string guess = p + stuff[0] + p + stuff[1] + stuff[0] + p + stuff[1] + stuff[1] + p + stuff[1] + stuff[2]; int val = press(guess); if (val == i) p += stuff[0]; else if (val == i+1) p += stuff[1]; else p += stuff[2]; // cout << "I think the prefix is: " << p << endl; } if (press(p + "A" + p + "B") == N) { if (press(p+"A") == N) p += 'A'; else p += 'B'; } else { if (press(p + "X") == N) p += 'X'; else p += 'Y'; } return p; }
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