제출 #157284

#제출 시각아이디문제언어결과실행 시간메모리
157284ZikXewen동굴 (IOI13_cave)C++11
0 / 100
172 ms640 KiB
#include <bits/stdc++.h> #include "cave.h" using namespace std; void exploreCave(int N){ int st[N], nw[N], ga[N], sw[N]; vector<int> lf(N); iota(lf.begin(), lf.end(), 0); for(int i = 0; i < N; i++) { int l = 0, r = lf.size() - 1; while(l < r) { int m = (l + r) >> 1; copy(st, st + N, nw); for(int j = l; j <= m; j++) nw[j] = !st[lf[j]]; if(tryCombination(nw) == i) r = m; else l = m + 1; } ga[lf[l]] = i; sw[i] = lf[l]; lf.erase(lf.begin() + l); } for(int te = tryCombination(st); te != -1; te = tryCombination(st)) st[sw[te]] = 1; answer(st, ga); }
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