제출 #916797

#제출 시각아이디문제언어결과실행 시간메모리
916797_VIBECombo (IOI18_combo)C++17
0 / 100
0 ms344 KiB
#include "combo.h" #include <string> #include<bits/stdc++.h> using namespace std; string guess_sequence(int N); int press(string p); string guess_sequence(int N) { set<char> s={'A','X','B','Y'}; string ans; for(auto x:s){ string q; q+=x; if(press(q)==1){ s.erase(x); ans=q;break; } } if(s.size()==4){ ans=*s.rbegin(); s.erase(*s.rbegin()); } vector<char> v={s.begin(),s.end()}; for(int i=1;i<N-1;i++){ string q; for(int j=0;j<3;j++) q+=ans+to_string(v[0])+to_string(v[j]); q+=ans+to_string(v[1]); int res=press(q); if(res==(int)ans.size()){ ans+=v[2]; } else if(res==((int)ans.size()+2)){ ans+=v[0]; } else ans+=v[1]; } for(int i=0;i<2;i++){ string q=ans+to_string(v[i]); if(press(q)==N) return q; } return (ans+to_string(v[2])); }
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