제출 #862854

#제출 시각아이디문제언어결과실행 시간메모리
86285420163070콤보 (IOI18_combo)C++14
0 / 100
0 ms600 KiB
#include <bits/stdc++.h> #include "combo.h" using namespace std; std::string guess_sequence(int N) { int n=N; string ans="",s=""; if(press("AB")) { if(press("A")) ans+="A",s="BXY"; else ans+="B",s="AXY"; } else { if(press("XY")) { if(press("X")) ans+="X",s="ABY"; else ans+="Y",s="ABX"; } } if(n==1) return ans; for(int i=2;i<=n;i++) { string t=ans+s[0]+ans+s[1]+s[0]+ans+s[1]+s[1]+ans+s[1]+s[2]; int get=press(t); if(get==i-1) ans+=s[2]; else if(get==i) ans+=s[0]; else ans+=s[1]; } if(press(ans+s[0])==n) ans+=s[0]; else if(press(ans+s[1])==n) ans+=s[1]; else ans+=s[2]; return ans; }
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