제출 #799155

#제출 시각아이디문제언어결과실행 시간메모리
79915512345678콤보 (IOI18_combo)C++17
100 / 100
24 ms632 KiB
#include "combo.h" #include <bits/stdc++.h> using namespace std; vector<char> c(4), ch; string guess_sequence(int N) { string p; if (press("AB")) press("A") ? p='A' : p='B'; else if (press("X")) p='X'; else p='Y'; c[0]='A'; c[1]='B'; c[2]='X'; c[3]='Y'; for (auto x:c) if (x!=p[0]) ch.push_back(x); if (N==1) return p; for (int i=2; i<N; i++) { string tmp=p+ch[1]; for (auto x:ch) tmp+=p+ch[2]+x; p+=ch[press(tmp)-i+1]; } if (press(p+'A'+p+'B')==N) press(p+'A')==N ? p+='A' : p+='B'; else if (press(p+'X')==N) p+='X'; else p+="Y"; return p; }
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