Submission #429468

#TimeUsernameProblemLanguageResultExecution timeMemory
429468Pichon5Unscrambling a Messy Bug (IOI16_messy)C++17
20 / 100
1 ms296 KiB
#include <bits/stdc++.h> #define pb push_back #define vi vector<int> #include "messy.h" using namespace std; int T[8]; string f(int x){ string s(8,'0'); for(int i=7;i>=0;i--){ if((1<<i)&x)s[i]='1'; } return s; } vector<int> restore_permutation(int n, int w, int r) { //add_element("0"); //compile_set(); //check_element("0"); for(int i=1;i<=8;i++){ string s(8,'0'); for(int l=0;l<i;l++){ s[n-1-l]='1'; } add_element(s); } compile_set(); for(int i=1;i<(1<<n);i++){ string curr=f(i); bool ok=check_element(curr); if(ok){ for(int l=0;l<8;l++){ if(curr[l]=='1')T[l+1]++; } } } vi res; for(int i=0;i<n;i++)res.pb(i); int a=0,b=0; for(int i=1;i<=n;i++){ if(T[i]!=i){ if(a==0){ a=i-1; }else{ b=i-1; } } } swap(res[a],res[b]); return res; } /* 8 256 256 0 1 2 3 4 5 7 6 8 256 256 0 1 4 3 2 5 6 7 */
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