제출 #1244683

#제출 시각아이디문제언어결과실행 시간메모리
1244683NurislamCave (IOI13_cave)C++20
0 / 100
173 ms5960 KiB
#include <bits/stdc++.h> #include "cave.h" using namespace std; void exploreCave(int n) { int a[n], us[n]; int ans1[n], ans2[n]; for(int i = 0; i < n; i ++ ){ a[i] = 0; ans1[i] = 0; ans2[i] = 0; }; auto fp = [&](int l, int r) { for(int i = l; i <= r; i ++ ) { if(us[i])continue; a[i] ^= 1; }; }; int t = 0; function< void(int,int)> f = [&](int l, int r) { if(l == r) { int x = tryCombination(a); if(x == t)a[l] ^= 1; ans1[l] = a[l]; us[l] = 1; ans2[l] = t++; }; int m = (l + r) >> 1; fp(l, m); if(tryCombination(a) == t) { fp(l,m); f(l, m); return; }; fp(l, m); f(m+1, r); }; for(int i = 0; i < n; i ++ ) { int x = tryCombination(a); if(x == i) fp(0,n-1); f(0, n-1); }; answer(ans1, ans2); }
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