제출 #583769

#제출 시각아이디문제언어결과실행 시간메모리
58376920160161simone콤보 (IOI18_combo)C++14
100 / 100
93 ms656 KiB
#include "combo.h" #include <bits/stdc++.h> using namespace std; typedef long long ll; // press(string) string op="ABXY"; string guess_sequence(int n) { string ans=""; ll temp=press("AB"); if(temp){ temp=press("A"); if(temp) ans+='A'; else ans+='B'; } else{ temp=press("X"); if(temp) ans+='X'; else ans+='Y'; } for(ll i=1;i<4;i++){ if(op[i]==ans[0]) swap(op[i],op[0]); } for(ll i=2;i<=n-1;i++){ string t=""; for(ll j=0;j<4;j++){ t+=ans; if(j<=2) t+=op[1],t+=op[3-j]; else t+=op[2],t+=op[0]; for(ll k=ans.size()+2;k<n;k++) t+=op[0]; } temp=press(t); if(temp==i-1) ans+=op[3]; else if(temp==i) ans+=op[2]; else ans+=op[1]; } if(n>1){ string t=""; t+=ans,t+=op[1]; t+=ans,t+=op[2]; temp=press(t); if(temp==n){ t=""; t+=ans,t+=op[1]; temp=press(t); if(temp==n) ans+=op[1]; else ans+=op[2]; } else ans+=op[3]; } return ans; }
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