제출 #468028

#제출 시각아이디문제언어결과실행 시간메모리
468028SirCovidThe19th동굴 (IOI13_cave)C++17
100 / 100
1083 ms452 KiB
#include <bits/stdc++.h> #include "cave.h" using namespace std; #define FOR(i, x, y) for (int i = x; i < y; i++) void exploreCave(int n){ int door[n], move[n], use[n] = {}; FOR(i, 0, n){ int openI, L = 0, H = n - 1; FOR(j, 0, n) if (!use[j]) move[j] = 0; openI = (tryCombination(move) == i); while (L < H){ int M = (L + H) / 2; FOR(j, 0, n) if (!use[j]) move[j] = openI ^ (j >= L and j <= M); (tryCombination(move) == i) ? (H = M) : (L = M + 1); } door[L] = i; move[L] = openI; use[L] = 1; } answer(move, door); }
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