Submission #912272

#TimeUsernameProblemLanguageResultExecution timeMemory
912272tanprodiumCombo (IOI18_combo)C++14
100 / 100
15 ms1672 KiB
#include<bits/stdc++.h> #include "combo.h" using namespace std; string guess_sequence(int N) { string c = "ABXY"; if (press("AB") >= 1) { if (press("A") == 1) { } else { swap(c[0], c[1]); } } else { if (press("X") == 1) { swap(c[0], c[2]); } else { swap(c[0], c[3]); } } string S = ""; S += c[0]; if (N == 1) return(S); for (int i = 2; i < N; i++) { string str = S + c[1] + c[1] + S + c[1] + c[2] + S + c[1] + c[3] + S + c[2]; int sz = (int)S.size(); int taken = press(str); //cerr << str << ' ' << taken << '\n'; if (taken - sz == 2) S += c[1]; else if (taken - sz == 1) S += c[2]; else S += c[3]; } for (int i = 1; i <= 2; i++) { string str = S + c[i]; if (press(str) == N) { S += c[i]; return (S); } } S += c[3]; return (S); }
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