제출 #291157

#제출 시각아이디문제언어결과실행 시간메모리
291157peti1234Unscrambling a Messy Bug (IOI16_messy)C++17
100 / 100
3 ms564 KiB
#include <bits/stdc++.h> #include "messy.h" using namespace std; string s; const int c=128; vector<int> dp; int n, po; vector<int> restore_permutation(int x, int w, int r) { n=x, po=x; for (int i=0; i<n; i++) s+='0', dp.push_back(0); while(po>1) { for (int i=0; i<n; i+=po) { int mid=i+po/2; for (int j=0; j<n; j++) { s[j]='0'; if (j>=i && j<i+po) s[j]='1'; } for (int j=i; j<mid; j++) { s[j]='0'; add_element(s); s[j]='1'; } } po/=2; } compile_set(), po=x; while(po>1) { for (int i=0; i<n; i+=po) { for (int j=0; j<n; j++) { s[j]='0'; if (dp[j]==i) s[j]='1'; } for (int j=0; j<n; j++) { if (dp[j]==i) { s[j]='0'; bool f=check_element(s); s[j]='1'; if (!f) dp[j]+=po/2; } } } po/=2; } return dp; }
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