제출 #349503

#제출 시각아이디문제언어결과실행 시간메모리
349503David_M콤보 (IOI18_combo)C++14
100 / 100
45 ms732 KiB
#include "combo.h" #include <string> #define p press #define r return std::string e,a="BXY"; std::string guess_sequence(int N){ p("XY")?e='Y'-p("X"):e='B'-p("A"); if(N==1)r e; if(e!="A")a[(e[0]-'B')%21]='A'; for(int i=1;i<N-1;i++)e+=a[p(e+a[1]+e+a[2]+a[0]+e+a[2]+a[1]+e+a[2]+a[2])-i]; if(p(e+a[0])==N)r e+a[0]; if(p(e+a[1])==N)r e+a[1]; r e+a[2]; }
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