제출 #1192695

#제출 시각아이디문제언어결과실행 시간메모리
1192695stdfloat콤보 (IOI18_combo)C++20
5 / 100
0 ms408 KiB
#include <bits/stdc++.h> #include "combo.h" // #include "grader.cpp" using namespace std; string guess_sequence(int n) { string s; vector<string> v = {"A", "B", "X", "Y"}; for (int i = 0; i < 4; i++) { if (i == 3 || press(v[i])) { s += v[i]; v.erase(v.begin() + i); break; } } for (int i = 1; i < n - 1; i++) { string t = s + v[1]; for (auto j : v) t += s + v[2] + j; for (auto j : t) assert(j == 'A' || j == 'B' || j == 'X' || j == 'Y'); assert((int)t.size() <= 4 * n); s += v[press(t) - i]; } for (auto i : v) { s += i; assert((int)s.size() == n); if (i == v.back() || press(s) == n) return s; s.pop_back(); } assert(false); }
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