제출 #554069

#제출 시각아이디문제언어결과실행 시간메모리
554069d4xn콤보 (IOI18_combo)C++17
0 / 100
18 ms300 KiB
#include "combo.h" #pragma GCC optimize ("Ofast") #include <bits/stdc++.h> using namespace std; #define pb push_back string guess_sequence(int N) { string p; int x = 0; for (char i : {'A', 'B', 'X', 'Y'}) { p.pb(i); x = press(p); if (x) break; p.pop_back(); } vector<char> v; for (char i : {'A', 'B', 'X', 'Y'}) { if (p[0] == i) continue; v.pb(i); } for (int i = 1; i < N; i++) { for (int j = 0; j < 3; j++) { int k = j + rand() % (3 - j); swap(v[j], v[k]); } for (char &j : v) { p.pb(j); int y = press(p); if (y > x) break; p.pop_back(); } } return p; }
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