Submission #401754

#	Time	Username	Problem	Language	Result	Execution time	Memory
401754		peuch	Unscrambling a Messy Bug (IOI16_messy)	C++17	38 / 100	1 ms	332 KiB

messy

#include "messy.h"
#include<bits/stdc++.h>
using namespace std;

std::vector<int> restore_permutation(int n, int w, int r) {
	srand(time(0));
	vector<int> x (n);
	for(int i = 0; i < n; i++)
		x[i] = i;
	random_shuffle(x.begin(), x.end());
	string aux(n, '0');
	for(int i = 0; i < n; i++){
		aux[x[i]] = '1';
//		cout << "Adding: " << aux << "\n";
		add_element(aux);
	}
	compile_set();
	vector<int> marc(n, 0);
	vector<int> p(n, 0);
	aux = string(n, '0');
	int last = n - 1;
	for(int i = 0; i < n - 1; i++){
		int id = last;
		for(int j = 0; j < last; j++){
			if(marc[x[j]]) continue;
			aux[x[j]] = '1';
//			cout << "Checking: " << aux << "\n";
			if(!check_element(aux)) {
				aux[x[j]] = '0'; 
				continue;
			}
			id = j;
			break;
		}
		marc[x[id]] = 1;
		aux[x[id]] = '1';
		p[x[id]] = x[i];
		while(marc[x[last]]) last--;
//		cout << aux << " " << check_element(aux) << "\n";
	}
	p[x[last]] = x[n - 1];
    return p;
}

• Subtask 1: 20 / 20
• Subtask 2: 18 / 18
• Subtask 3: 0 / 11
• Subtask 4: 0 / 21
• Subtask 5: 0 / 30