제출 #485247

#제출 시각아이디문제언어결과실행 시간메모리
485247couplefireUnscrambling a Messy Bug (IOI16_messy)C++17
100 / 100
3 ms552 KiB
#include <bits/stdc++.h> #include "messy.h" using namespace std; vector<int> restore_permutation(int n, int w, int r){ for(int siz = n; siz>=2; siz>>=1){ for(int l = 0, r = siz; r<=n; l = r, r += siz){ string s(n, '1'); for(int i = l; i<r; ++i) s[i] = '0'; for(int i = l; i<(l+r)>>1; ++i){ s[i] = '1'; add_element(s); s[i] = '0'; } } } compile_set(); vector<int> p(n), ans(n); iota(p.begin(), p.end(), 0); for(int siz = n; siz>=2; siz>>=1){ for(int l = 0, r = siz; r<=n; l = r, r += siz){ string s(n, '1'); for(int i = l; i<r; ++i) s[p[i]] = '0'; vector<int> lside, rside; for(int i = l; i<r; ++i){ s[p[i]] = '1'; if(check_element(s)) lside.push_back(p[i]); else rside.push_back(p[i]); s[p[i]] = '0'; } vector<int> tmp = lside; tmp.insert(tmp.end(), rside.begin(), rside.end()); for(int i = l; i<r; ++i) p[i] = tmp[i-l]; } } for(int i = 0; i<n; ++i) ans[p[i]] = i; return ans; }
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