제출 #101853

#제출 시각아이디문제언어결과실행 시간메모리
101853iris2617콤보 (IOI18_combo)C++14
100 / 100
53 ms504 KiB
#include<iostream> #include<combo.h> using namespace std; string guess_sequence(int N) { int x,i; string s; char ch[4]={'A','B','X','Y'}; if(press("AB")>=1) { if(press("A")==1) x=0; else x=1; } else { if(press("X")>=1) x=2; else x=3; } s+=ch[x]; if(N==1) return s; swap(ch[x],ch[3]); for(i=1;i<N-1;i++) { x=press(s+ch[0]+ch[0]+s+ch[0]+ch[1]+s+ch[0]+ch[2]+s+ch[1]); if(x==i+2) s+=ch[0]; else if(x==i+1) s+=ch[1]; else s+=ch[2]; } if(press(s+ch[0]+s+ch[1])==N) { if(press(s+ch[0])==N) s+=ch[0]; else s+=ch[1]; } else s+=ch[2]; return s; }
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