oj.uz

Submission #225345

# Submission time Handle Problem Language Result Execution time Memory
225345 2020-04-20T09:53:43 Z kshitij_sodani Library (JOI18_library) C++17
100 / 100
 498 ms 632 KB 
#include <iostream>
#include <bits/stdc++.h>
#include "library.h"
using namespace std;
 
#define pb push_back
typedef long long llo;
#define a first
#define b second
int n;
vector<int> aa;
vector<int> bb;
 
/*void Answer(vector<int> cc){
	for(auto j:cc)
	{	cout<<j<<" ";
	}
	cout<<endl;
}
int Query(vector<int> cc){
	for(auto j:cc){
		cout<<j<<" ";
	}
	cout<<endl;
	int xx;
	cin>>xx;
	return xx;
}*/
int ll;
void solve(int ind,int l,int r){
	//cout<<l<<" "<<r<<endl;
	if(l==r){
		if(aa[l]==0){
			ll=-1;
			return ;
		}
 
	/*	if(ind==l){
			ll=-1;
			while(true){
				continue;
			}
		}
		else{*/
			for(int i=0;i<n;i++){
				if((ind==i or i==l)){
 
					bb[i]=1;
				}
				else{
					bb[i]=0;
				}
			}
			int yy=Query(bb);
			if(yy==1){
				aa[l]=0;
				ll=l;
			}
			else{
 
				ll=-1;
 
			}
		//}
	}
	else{
		int mid=(l+r)/2;
		int co=0;
		for(int i=0;i<n;i++){
			bb[i]=0;
		}
		for(int i=l;i<=mid;i++){
			if(aa[i]==2){
				bb[i]=1;
				co+=1;
			}
		}
		if(co==0){
			solve(ind,mid+1,r);
 
		}
		else{
			bb[ind]=1;
			int yy=Query(bb);
			bb[ind]=0;
			int zz=Query(bb);
			if(yy<=zz){
				solve(ind,l,mid);
			}
			else{
				solve(ind,mid+1,r);
			}
		}
	}
}
void Solve(int nn){
	n=nn;
	for(int i=0;i<n;i++){
		aa.pb(2);
		bb.pb(0);
	}
	int x=0;
	deque<int> ans;
	ans.push_back(0);
	int st=0;
	int kk=0;
	int le=n-1;
	aa[0]=0;
	int cco=0;
 
	while(le and cco<3*n){
		cco+=1;
		int y=x;
		ll=-2;
 
		solve(x,0,n-1);
		if(ll==y){
			while(true){
				continue;
			}
		}
 
		if(ll!=-1){
			le-=1;
		}
		if(ll==-2){
			while(true){
				continue;
			}
		}
		x=ll;
 
		if(x==-1){
			x=0;
			st=1;
			kk+=1;
		}
		else{
			if(st==0){
				ans.push_back(x);
			}
			else{
				ans.push_front(x);
			}
		}
		aa[x]=0;
		aa[y]=0;
	}
	vector<int> fin;
	for(int i=0;i<n;i++){
		int x=ans.front();
		ans.pop_front();
		fin.pb(x+1);
	}
	Answer(fin);
}
/*int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	Solve(3);
 
 
	return 0;
}*/

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 384 KB # of queries: 2939
2 Correct 48 ms 256 KB # of queries: 2901
3 Correct 46 ms 384 KB # of queries: 3084
4 Correct 50 ms 256 KB # of queries: 3038
5 Correct 50 ms 256 KB # of queries: 3062
6 Correct 53 ms 384 KB # of queries: 3074
7 Correct 49 ms 256 KB # of queries: 3025
8 Correct 47 ms 256 KB # of queries: 2936
9 Correct 50 ms 384 KB # of queries: 3079
10 Correct 29 ms 384 KB # of queries: 1792
11 Correct 4 ms 384 KB # of queries: 0
12 Correct 4 ms 256 KB # of queries: 1
13 Correct 5 ms 256 KB # of queries: 5
14 Correct 4 ms 256 KB # of queries: 9
15 Correct 6 ms 256 KB # of queries: 104
16 Correct 7 ms 256 KB # of queries: 252

Subtask #2
81.0 / 81.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 384 KB # of queries: 2939
2 Correct 48 ms 256 KB # of queries: 2901
3 Correct 46 ms 384 KB # of queries: 3084
4 Correct 50 ms 256 KB # of queries: 3038
5 Correct 50 ms 256 KB # of queries: 3062
6 Correct 53 ms 384 KB # of queries: 3074
7 Correct 49 ms 256 KB # of queries: 3025
8 Correct 47 ms 256 KB # of queries: 2936
9 Correct 50 ms 384 KB # of queries: 3079
10 Correct 29 ms 384 KB # of queries: 1792
11 Correct 4 ms 384 KB # of queries: 0
12 Correct 4 ms 256 KB # of queries: 1
13 Correct 5 ms 256 KB # of queries: 5
14 Correct 4 ms 256 KB # of queries: 9
15 Correct 6 ms 256 KB # of queries: 104
16 Correct 7 ms 256 KB # of queries: 252
17 Correct 484 ms 372 KB # of queries: 19734
18 Correct 462 ms 504 KB # of queries: 19485
19 Correct 489 ms 384 KB # of queries: 19763
20 Correct 466 ms 376 KB # of queries: 18573
21 Correct 419 ms 632 KB # of queries: 17412
22 Correct 492 ms 504 KB # of queries: 19696
23 Correct 498 ms 384 KB # of queries: 19748
24 Correct 177 ms 508 KB # of queries: 9054
25 Correct 483 ms 384 KB # of queries: 19312
26 Correct 427 ms 504 KB # of queries: 18045
27 Correct 175 ms 256 KB # of queries: 9064
28 Correct 275 ms 372 KB # of queries: 11067
29 Correct 285 ms 504 KB # of queries: 11060
30 Correct 282 ms 376 KB # of queries: 11067