Submission #781019

#	Time	Username	Problem	Language	Result	Execution time	Memory
781019		tolbi	Cave (IOI13_cave)	C++17	100 / 100	624 ms	588 KiB

cave

#pragma optimize("Bismillahirrahmanirrahim")
//█▀█─█──█──█▀█─█─█
//█▄█─█──█──█▄█─█■█
//█─█─█▄─█▄─█─█─█─█
//Allahuekber
//ahmet23 orz...
//FatihSultanMehmedHan
//YavuzSultanSelimHan
//AbdulhamidHan
//Sani buyuk Osman Pasa Plevneden cikmam diyor
#define author tolbi
#include <bits/stdc++.h>
using namespace std;
template<typename X, typename Y> ostream& operator<<(ostream& os, pair<X,Y> pr){return os<<pr.first<<" "<<pr.second;}
template<typename X> ostream& operator<<(ostream& os, vector<X> v){for (auto &it : v) os<<it; return os;}
template<typename X, size_t Y> ostream& operator<<(ostream& os, array<X,Y> v){for (auto &it : v) os<<it; return os;}
#define endl '\n'
#define deci(x) int x;cin>>x;
#define decstr(x) string x;cin>>x;
#define vint(x) vector<int> x
#define sortarr(x) sort(x.begin(), x.end())
#define sortrarr(x) sort(x.rbegin(), x.rend())
#define rev(x) reverse(x.begin(), x.end())
#define tol(bi) (1LL<<((long long)(bi)))
#define coutarr(x) for (auto &it : x) cout<<it<<endl;
typedef long long ll;
const ll INF = LONG_LONG_MAX;
const int MOD = 1e9+7;
mt19937 ayahya(chrono::high_resolution_clock().now().time_since_epoch().count());
#include "cave.h"
/*
int tryCombination(int S[]);
void answer(int S[], int D[]);
*/
int ask(vector<int> v){
	int _RES[v.size()];
	for (int i = 0; i < v.size(); ++i)
	{
		_RES[i]=v[i];
	}
	return tryCombination(_RES);
}
int ask(vector<bool> v){
	int _RES[v.size()];
	for (int i = 0; i < v.size(); ++i)
	{
		_RES[i]=v[i];
	}
	return tryCombination(_RES);
}
void exploreCave(int n) {
	vector<pair<int,int>> ans(n,{-1,-1});

	for (int i = 0; i < n; ++i)
	{
		vector<int> dene(n,0);
		for (int j = 0; j < i; j++){
			dene[ans[j].first]=ans[j].second;
		}
		int res = ask(dene);
		int kk = (res==i);
		int l = 1, r = n-i;
		while (l<r){
			int mid = l+(r-l)/2;
			dene.clear();
			dene.resize(n,-1);
			for (int j = 0; j < i; j++){
				dene[ans[j].first]=ans[j].second;
			}
			int kal = mid;
			for (int j = 0; j < n; j++){
				if (dene[j]!=-1) continue;
				if (kal) dene[j]=1,kal--;
				else dene[j]=0;
			}
			res = ask(dene);
			if ((res==i)==kk) l=mid+1;
			else r=mid;
		}
		vector<int> vis(n,false);
		for (int j = 0; j < i; ++j)
		{
			vis[ans[j].first]=true;
		}
		for (int j = 0; j < n; j++){
			if (vis[j]) continue;
			l--;
			if (!l){
				ans[i]={j,kk};
				break;
			}
		}
	}
	int __RES_[n],__RES2_[n];//first place second on off
	for (int i = 0; i < n; i++){
		__RES_[ans[i].first]=ans[i].second;
		__RES2_[ans[i].first]=i;
	}
	answer(__RES_,__RES2_);
}

Compilation message (stderr)

cave.cpp:1: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    1 | #pragma optimize("Bismillahirrahmanirrahim")
      | 
cave.cpp: In function 'int ask(std::vector<int>)':
cave.cpp:37:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |  for (int i = 0; i < v.size(); ++i)
      |                  ~~^~~~~~~~~~
cave.cpp: In function 'int ask(std::vector<bool>)':
cave.cpp:45:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<bool>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |  for (int i = 0; i < v.size(); ++i)
      |                  ~~^~~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 13 / 13
• Subtask 3: 21 / 21
• Subtask 4: 30 / 30
• Subtask 5: 24 / 24