제출 #550052

#제출 시각아이디문제언어결과실행 시간메모리
550052palilo동굴 (IOI13_cave)C++17
0 / 100
50 ms384 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}; for (int i = lo; i < mid; ++i) { if (d[i] == -1) { s[i] = 1; } } const auto res {tryCombination(d.data()) == door_id}; for (int i = lo; i < mid; ++i) { if (d[i] == -1) { s[i] = 0; } } res == is_one ? 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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