Submission #1302023

#	Time	Username	Problem	Language	Result	Execution time	Memory
1302023		vtnoo	Unscrambling a Messy Bug (IOI16_messy)	C++20	38 / 100	1 ms	388 KiB

messy

#include <bits/stdc++.h>
#define pb push_back
#define fst first
#define snd second
#define fore(i,a,b) for(int i=a,pao=b;i<pao;++i)
#define SZ(x) ((int)x.size())
#define ALL(x) x.begin(),x.end()
#define mset(a,v) memset((a),(v),sizeof(a))
#define FIN ios::sync_with_stdio(0);cin.tie(0);cout.tie(0)
using namespace std;
typedef long long ll;
void add_element(std::string x);
bool check_element(std::string x);
void compile_set();
std::vector<int> restore_permutation(int n, int w, int r){
	mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
	uniform_int_distribution<ll>gen(0, 1e18);
	vector<int>ret(n);
	string s(n,'0');
	fore(i,0,n){
		s[i]='1';
		add_element(s);
	}
	compile_set();
	string c(n,'0');
	vector<bool>listo(n,0);
	fore(i,0,n){
		while(true){
			int index=gen(rng)%n;
			if(listo[index])continue;
			c[index]='1';
			if(check_element(c)){
				listo[index]=1;
				ret[index]=i;
				break;
			}
			c[index]='0';
		}
	}
	return ret;
}

Compilation message (stderr)

messy.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
messy_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

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