Submission #225288

# Submission time Handle Problem Language Result Execution time Memory
225288 2020-04-20T07:37:23 Z kshitij_sodani Library (JOI18_library) C++17
0 / 100
2000 ms 508 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;
int co=0;
void solve(int ind,int l,int r){
	//cout<<l<<" "<<r<<endl;
	if(l==r){
		if(ind==l){
			co+=1;
			ll=-1;
		}
		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){
				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 and i!=ind){
				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;
	while(le){
		int y=x;
		ll=-2;

		solve(x,0,n-1);
		if(co==2){
			int pp=1/0;
		}
		if(ll!=-1){
			le-=1;
		}
		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[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(4);


	return 0;
}*/

Compilation message

library.cpp: In function 'void Solve(int)':
library.cpp:104:12: warning: division by zero [-Wdiv-by-zero]
    int pp=1/0;
           ~^~
library.cpp:104:8: warning: unused variable 'pp' [-Wunused-variable]
    int pp=1/0;
        ^~
# Verdict Execution time Memory Grader output
1 Correct 47 ms 384 KB # of queries: 2940
2 Correct 63 ms 384 KB # of queries: 2901
3 Correct 50 ms 384 KB # of queries: 3084
4 Correct 49 ms 256 KB # of queries: 3038
5 Correct 47 ms 384 KB # of queries: 3062
6 Correct 53 ms 256 KB # of queries: 3074
7 Correct 47 ms 384 KB # of queries: 3026
8 Correct 62 ms 384 KB # of queries: 2937
9 Correct 52 ms 256 KB # of queries: 3079
10 Execution timed out 3013 ms 384 KB Time limit exceeded
11 Correct 5 ms 256 KB # of queries: 0
12 Correct 5 ms 256 KB # of queries: 1
13 Correct 4 ms 256 KB # of queries: 5
14 Correct 5 ms 256 KB # of queries: 9
15 Correct 7 ms 384 KB # of queries: 104
16 Correct 8 ms 384 KB # of queries: 253
# Verdict Execution time Memory Grader output
1 Correct 47 ms 384 KB # of queries: 2940
2 Correct 63 ms 384 KB # of queries: 2901
3 Correct 50 ms 384 KB # of queries: 3084
4 Correct 49 ms 256 KB # of queries: 3038
5 Correct 47 ms 384 KB # of queries: 3062
6 Correct 53 ms 256 KB # of queries: 3074
7 Correct 47 ms 384 KB # of queries: 3026
8 Correct 62 ms 384 KB # of queries: 2937
9 Correct 52 ms 256 KB # of queries: 3079
10 Execution timed out 3013 ms 384 KB Time limit exceeded
11 Correct 5 ms 256 KB # of queries: 0
12 Correct 5 ms 256 KB # of queries: 1
13 Correct 4 ms 256 KB # of queries: 5
14 Correct 5 ms 256 KB # of queries: 9
15 Correct 7 ms 384 KB # of queries: 104
16 Correct 8 ms 384 KB # of queries: 253
17 Execution timed out 3083 ms 384 KB Time limit exceeded
18 Correct 572 ms 376 KB # of queries: 19485
19 Correct 571 ms 504 KB # of queries: 19764
20 Correct 567 ms 384 KB # of queries: 18574
21 Execution timed out 3091 ms 256 KB Time limit exceeded
22 Execution timed out 3055 ms 256 KB Time limit exceeded
23 Correct 471 ms 376 KB # of queries: 19749
24 Execution timed out 3035 ms 256 KB Time limit exceeded
25 Execution timed out 3004 ms 384 KB Time limit exceeded
26 Execution timed out 3093 ms 256 KB Time limit exceeded
27 Correct 170 ms 376 KB # of queries: 9065
28 Correct 272 ms 508 KB # of queries: 11067
29 Correct 304 ms 376 KB # of queries: 11060
30 Correct 283 ms 376 KB # of queries: 11067