Submission #475941

#	Time	Username	Problem	Language	Result	Execution time	Memory
475941		AdamGS	Unscrambling a Messy Bug (IOI16_messy)	C++14	100 / 100	2 ms	460 KiB

messy

#include "messy.h"
#include<bits/stdc++.h>
using namespace std;
typedef long double ld;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
vector<int>restore_permutation(int n, int w, int r) {
	string s="";
	rep(i, n) s+="0";
	for(int i=1; i<n; i*=2) {
		rep(j, n) if(j&i) {
			if(s[j]=='1') s[j]='0';
			else s[j]='1';
			add_element(s);
			if(s[j]=='1') s[j]='0';
			else s[j]='1';
		}
		s="";
		rep(j, n) {
			if(j&i) s+="1";
			else s+="0";
		}
	}
	compile_set();
	vector<int>ans(n);
	s="";
	rep(i, n) s+="0";
	for(int i=1; i<n; i*=2) {
		string p="";
		rep(j, n) {
			if(s[j]=='1') s[j]='0';
			else s[j]='1';
			if(check_element(s)) {
				ans[j]+=i;
				p+="1";
			} else p+="0";
			if(s[j]=='1') s[j]='0';
			else s[j]='1';
		}
		s=p;
	}
	return ans;
}

• Subtask 1: 20 / 20
• Subtask 2: 18 / 18
• Subtask 3: 11 / 11
• Subtask 4: 21 / 21
• Subtask 5: 30 / 30