제출 #550047

#제출 시각아이디문제언어결과실행 시간메모리
550047palilo동굴 (IOI13_cave)C++17
0 / 100
27 ms340 KiB
#include "cave.h" #include <bits/stdc++.h> void exploreCave(int n) { using namespace std; vector s(n, 0), d(n, -1); auto solve = [&](int door_id) { const auto is_one {tryCombination(s.data()) == door_id}; int lo = 0, hi = n; while (lo != hi) { const auto mid {(lo + hi) >> 1}; transform(d.begin(), d.begin() + mid, s.begin(), [&](const auto& x) { return x == -1 ? -1 : 1; }); tryCombination(d.data()) == door_id ? lo = mid + 1 : hi = mid; } s[lo] = is_one; d[lo] = door_id; }; for (int i = 0; i < n; ++i) { solve(i); } answer(s.data(), d.data()); }
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