Submission #285363

#	Time	Username	Problem	Language	Result	Execution time	Memory
285363		YJU	Library (JOI18_library)	C++14	0 / 100	18 ms	256 KiB

library

#include<bits/stdc++.h>
#include"library.h"
#pragma GCC optimize("unroll-loops,no-stack-protector")
using namespace std;
typedef int ll;
typedef long double ld;
typedef pair<int,ll> pll;
const ll MOD=1e9+7;
const ll MOD2=998244353;
const ld pi=3.14159265359;
const ll INF=(1LL<<60);
#define SQ(i) ((i)*(i))
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define setp setprecision
#define lwb lower_bound
#define SZ(_a) (ll)_a.size()
 
void Solve(int N){
	vector<ll> q(N),t(N),ans;
	ll A,B;
	REP(i,N)t[i]=i,q[i]=1;
	REP(i,N){
		q[i]=0;
		if(Query(q)==1){
			t.erase(t.begin()+i);
			ans.pb(i);break;
		}
		q[i]=1;
	}
	REP(i,N)q[i]=0;
	while(SZ(ans)<N){
		ll l=-1,r=SZ(t)-1;
		while(r-1>l){
			ll mid=(l+r)/2;
			REP(i,mid)q[t[i]]=1;
			A=Query(q);
			q[ans.back()]=1;
			B=Query(q);
			REP(i,mid)q[t[i]]=0;
			q[ans.back()]=0;
			if(A==B){
				r=mid;
			}else{
				l=mid;
			}
		}
		ans.pb(t[r]);
		t.erase(t.begin()+r);
	}
	REP(i,N)ans[i]+1;
	Answer(ans);
}

Compilation message (stderr)

library.cpp:11:18: warning: overflow in conversion from 'long long int' to 'll' {aka 'int'} changes value from '1152921504606846976' to '0' [-Woverflow]
   11 | const ll INF=(1LL<<60);
      |              ~~~~^~~~~
library.cpp: In function 'void Solve(int)':
library.cpp:55:16: warning: value computed is not used [-Wunused-value]
   55 |  REP(i,N)ans[i]+1;

• Subtask 1: 0 / 19
• Subtask 2: 0 / 81