제출 #566321

#제출 시각아이디문제언어결과실행 시간메모리
566321elazarkoren콤보 (IOI18_combo)C++17
30 / 100
54 ms468 KiB
#include <bits/stdc++.h> #include "combo.h" #define x first #define y second #define all(v) v.begin(), v.end() #define chkmin(a, b) a = min(a, b) #define chkmax(a, b) a = max(a, b) using namespace std; typedef long long ll; typedef vector<int> vi; typedef vector<vi> vvi; typedef pair<int, int> pii; typedef vector<pii> vii; mt19937 rng(time(0)); char letters[] = {'A', 'B', 'X', 'Y'}; string guess_sequence(int n) { string p = ""; for (int i = 0; i < n; i++) { shuffle(letters, letters + 4, rng); string curr = p + "A" + p + "B"; if (press(curr) >= i + 1) { curr = p + "A"; if (press(curr) >= i + 1) p.push_back('A'); else p.push_back('B'); } else { curr = p + "X"; if (press(curr) >= i + 1) p.push_back('X'); else p.push_back('Y'); } // for (char c : letters) { // if (i && c == p[0]) continue; // p.push_back(c); // if (press(p) == p.size()) break; // p.pop_back(); // } } return p; }
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