Submission #793425

#	Time	Username	Problem	Language	Result	Execution time	Memory
793425		Antekb	Broken Device (JOI17_broken_device)	C++17	0 / 100	175 ms	2472 KiB

Anna

#include<bits/stdc++.h>

#pragma GCC optimize("Ofast")
//#pragma GCC optimize("trapv")
 
#define st first
#define nd second
#define pb push_back
#define eb emplace_back
#define pp(x) pop_back(x)
#define mp(a, b) make_pair(a, b)
#define all(x) (x).begin(), (x).end()
#define rev(x) reverse(all(x))
#define sor(x) sort(all(x))
#define sz(x) (int)(x).size()
#define rsz(x) resize(x)
 
using namespace std;
 
///~~~~~~~~~~~~~~~~~~~~~~~~~~
 
template <typename H, typename T> 
ostream& operator<<(ostream& os, pair<H, T> m){
	return os <<"("<< m.st<<", "<<m.nd<<")";
}
template <typename H> 
ostream& operator<<(ostream& os, vector<H> V){
	os<<"{";
	for(int i=0; i<V.size(); i++){
		if(i)os<<" ";
		os<<V[i];
	}
	os<<"}";
	return os;
}
 
void debug(){cerr<<"\n";}
template <typename H, typename... T>
void debug(H h, T... t) {cerr<<h; if (sizeof...(t)) cerr << ", "; debug(t...);}
#define deb(x...) cerr<<#x<<" = ";debug(x);
//#define deb(x...) ;
 
///~~~~~~~~~~~~~~~~~~~~~~~~~
 
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<pii > vii;
typedef vector<ll> vl;
typedef vector<pll> vll;
typedef string str;

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
template <typename T>
using ordered_set =
    tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

 
#define BOOST ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
 
#include "Annalib.h"

void Anna( int n, long long X, int K, int P[] ){
	srand(24636346);
	vi kol(n), co(n);
	iota(all(kol), 0);
	random_shuffle(all(kol));
	vi val(n);
	int blo=6;
	int pot=1001;
	for(int i=0; i<n; i++){
		val[i]=rand()%pot;
		co[kol[i]]=i;
	}
	for(int i=0; i<K; i++){
		//deb(kol[P[i]]);
		val[kol[P[i]]]=0;
	}
	vi ans(n);
	for(int i=0; i<blo; i++){
		//deb(i);
		int reszta=X%pot;
		X/=pot;
		vi tim(pot, 1e9);
		tim[0]=-1;
		for(int j=i*n/blo; j<(i+1)*n/blo; j++){
			int t=val[j];
			//deb(t, j);
			for(int k=t; k<pot; k++){
				if(tim[k]==1e9 && tim[k-t]<j)tim[k]=j;
			}
			for(int k=0; k<t; k++){
				if(tim[k]==1e9 && tim[k+pot-t]<j)tim[k]=j;
			}
			if(tim[reszta]!=1e9){
				//deb("a");
				break;
			}
		}
		while(reszta){
			//deb(reszta);
			ans[co[tim[reszta]]]=1;
			int t=val[tim[reszta]];
			//deb(t);
			reszta=(reszta+pot-t)%pot;
		}
	}
	for( int i = 0; i < n; i++ ){
		Set( i, ans[i] );
	}
}

Bruno

#include<bits/stdc++.h>

#pragma GCC optimize("Ofast")
//#pragma GCC optimize("trapv")
 
#define st first
#define nd second
#define pb push_back
#define eb emplace_back
#define pp(x) pop_back(x)
#define mp(a, b) make_pair(a, b)
#define all(x) (x).begin(), (x).end()
#define rev(x) reverse(all(x))
#define sor(x) sort(all(x))
#define sz(x) (int)(x).size()
#define rsz(x) resize(x)
 
using namespace std;
 
///~~~~~~~~~~~~~~~~~~~~~~~~~
 
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<pii > vii;
typedef vector<ll> vl;
typedef vector<pll> vll;
typedef string str;

#include "Brunolib.h"

long long Bruno( int n, int A[] ){
	srand(24636346);
	vi kol(n), co(n);
	iota(all(kol), 0);
	random_shuffle(all(kol));
	vi val(n);
	int blo=6;
	int pot=1001;
	for(int i=0; i<n; i++){
		val[i]=rand()%pot;
		co[kol[i]]=i;
	}
	ll ans=0;
	for(int i=blo-1; i>=0; i--){
		ans*=pot;
		int reszta=0;
		for(int j=i*n/blo; j<(i+1)*n/blo; j++){
			if(A[co[j]]){
				//cerr<<val[j]<<"\n";
				reszta+=val[j];
			}
		}
		ans+=reszta%pot;
	}
	return ans;
}

• Subtask 1: 0 / 100