제출 #686979

#제출 시각아이디문제언어결과실행 시간메모리
686979viwlesxq콤보 (IOI18_combo)C++17
100 / 100
44 ms624 KiB
#include "combo.h" #include <bits/stdc++.h> using namespace std; typedef int64_t ll; typedef string str; #define pb push_back #define pf push_front #define ppb pop_back #define ppf pop_front #define F first #define S second #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define sz(x) (int)x.size() string guess_sequence(int N) { int get = press("AB"); str res, a, b, c; if (get) { if (press("A")) res = "A", a = "B", b = "X", c = "Y"; else res = "B", a = "A", b = "X", c = "Y"; } else { if (press("X")) res = "X", a = "Y", b = "A", c = "B"; else res = "Y", a = "X", b = "A", c = "B"; } if (N == 1) return res; for (int i = 2; i < N; i++) { get = press(res + a + a + res + a + b + res + a + c + res + b); if (get == i + 1) res += a; else if (get == i) res += b; else res += c; } if (press(res + a) == N) res += a; else if (press(res + b) == N) res += b; else res += c; return res; }
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