제출 #1289987

#제출 시각아이디문제언어결과실행 시간메모리
1289987oruc콤보 (IOI18_combo)C++20
10 / 100
16 ms448 KiB
#include <bits/stdc++.h> using namespace std; #include "combo.h" string guess_sequence(int N){ int ab = press("AB"); int ax = press("AX"); string ans; if(ab == 0){ if(ax == 0){ ans = "Y"; } else if(ax == 1){ ans = "X"; } else{ ans = "A"; } } else if(ab == 1){ if(ax == 0){ ans = "B"; } else if(ax == 1){ ans = "A"; } else{ ans = "A"; } } else{ ans = "A"; } char ilk = ans[0]; for(int i = 2; i <= N; i++){ for(char j: {'A','B','X','Y'}){ if(j == ilk) continue; int ok = press(ans+j); if(ok == ans.size()+1){ ans += j; break; } } } //cout << ans << endl; return ans; }
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