제출 #799142

#제출 시각아이디문제언어결과실행 시간메모리
79914212345678콤보 (IOI18_combo)C++17
97 / 100
38 ms528 KiB
#include "combo.h" #include <bits/stdc++.h> using namespace std; vector<char> c(4), ch; string guess_sequence(int N) { string p; if (press("AB")) press("A") ? p="A" : p="B"; else if (press("XY")) press("X") ? p="X" : p="Y"; c[0]='A', c[1]='B', c[2]='X', c[3]='Y'; for (auto x:c) if (x!=p[0]) ch.push_back(x); if (N==1) return p; for (int i=2; i<N; i++) { string tmp=p+ch[1]; for (auto x:ch) tmp+=p+ch[2]+x; p+=ch[press(tmp)-i+1]; } if (press(p+"A"+p+"B")==N) press(p+"A")==N ? p+="A" : p+='B'; else if (press(p+"X")==N) p+="X"; else p+="Y"; return p; }
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