oj.uz

답안 #891092

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
891092 2023-12-22T07:30:43 Z vjudge1 Bitaro's travel (JOI23_travel) C++17
45 / 100
 351 ms 4176 KB 
#include <bits/stdc++.h>
#define ll long long
#define str string
#define ins insert
#define ld long double
#define pb push_back
#define pf push_front
#define pof pop_front()
#define pob pop_back()
#define lb lower_bound
#define ub upper_bound
#define endl "\n"
#define fr first
#define sc second
#define mpa make_pair
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define sz size()
#define bc back()
#define ar array
#define vll vector<ll> 
using namespace std;/*
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;*/
template <class _T>
bool chmin(_T &x, const _T &y){
    if(x>y){
        x=y;
        return true;
    }
    return false;
}
template <class _T>
bool chmax(_T &x, const _T &y){
    bool flag=false;
    if (x<y){
        x=y;flag|=true;
    }
    return flag;
}
//#define ordered_set tree<ll, null_type,less_equal<ll>, rb_tree_tag,tree_order_statistics_node_update>
void fre(string s){freopen((s+".in").c_str(),"r",stdin);freopen((s+".out").c_str(),"w",stdout);}
void start(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
}
const ll inf=2e18+7;
const ll mod=1e9+7;
const ll N=2e5+7;
const ld eps=1e-9;

void solve(){
	ll i,j;
	ll n,m;
	ll b;
	cin>>n;
	vector<ll> v(n);
	for(i=0;i<n;i++) cin>>v[i];
	cin>>m;
	for(i=0;i<m;i++){
		cin>>b;
		if(n==1){
			cout<<abs(b-v[0])<<endl;
			continue;
		}
		ll sum=0;
		ll l,r=ub(all(v),b)-v.begin();
		l=r-1;
		bool flag=true;
		if(abs(v[l]-b)<=abs(v[r]-b)) sum=abs(v[l]-b);
		else {sum=abs(v[r]-b);flag=false;}
		while(l>=0 || r<n){
			if(flag){
				if(r==n){
					sum+=v[l]-v[0];
					l=-1;
					continue;
				}
				if(l==0){
					sum+=v[r]-v[l];
					l=-1;
					flag=false;
					continue;
				}
				ll nl=ub(all(v),v[l]-(v[r]-v[l]))-v.begin()-1;
				if(nl<0)nl++;
				if(v[nl+1]-v[nl]>v[r]-v[nl+1]){
					flag=false;
					sum+=v[r]-v[nl+1]+v[l]-v[nl+1];
					l=nl;
				}else{
					sum+=v[l]-v[nl];
					l=nl;
				}
			}else{
				if(l==-1){
					sum+=v[n-1]-v[r];
					r=n;
					continue;
				}
				if(r==n-1){
					sum+=v[r]-v[l];
					r=n;
					flag=true;
					continue;
				}
				ll nr=lb(all(v),v[r]+(v[r]-v[l]))-v.begin();
				if(nr==n)nr--;
				if(v[nr]-v[nr-1]>=v[nr-1]-v[l]){
					flag=true;
					sum+=v[nr-1]-v[r]+v[nr-1]-v[l];
					r=nr;
				}else{
					sum+=v[nr]-v[r];
					r=nr;
				}
			}
		}
		cout<<sum<<endl;
	}
}
signed main(){
	start();
    ll t=1;
	//cin>>t;
    while(t--) solve();
    return 0;
}
/*
1
7
1 2
2 3
3 4
4 5
3 6
6 7
2
4 1
5 7






*/

Compilation message

travel.cpp: In function 'void solve()':
travel.cpp:55:7: warning: unused variable 'j' [-Wunused-variable]
   55 |  ll i,j;
      |       ^
travel.cpp: In function 'void fre(std::string)':
travel.cpp:43:27: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 | void fre(string s){freopen((s+".in").c_str(),"r",stdin);freopen((s+".out").c_str(),"w",stdout);}
      |                    ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
travel.cpp:43:64: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 | void fre(string s){freopen((s+".in").c_str(),"r",stdin);freopen((s+".out").c_str(),"w",stdout);}
      |                                                         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 600 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 600 KB Output is correct
17 Correct 15 ms 1884 KB Output is correct
18 Correct 15 ms 1884 KB Output is correct
19 Correct 15 ms 1884 KB Output is correct
20 Correct 16 ms 1884 KB Output is correct
21 Correct 15 ms 1880 KB Output is correct
22 Correct 16 ms 1884 KB Output is correct
23 Correct 15 ms 1884 KB Output is correct
24 Correct 15 ms 1884 KB Output is correct
25 Correct 15 ms 1884 KB Output is correct
26 Correct 15 ms 1884 KB Output is correct
27 Correct 19 ms 1884 KB Output is correct
28 Correct 15 ms 1888 KB Output is correct
29 Correct 15 ms 1884 KB Output is correct
30 Correct 15 ms 1884 KB Output is correct
31 Correct 14 ms 1884 KB Output is correct

Subtask #3
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 412 KB Output is correct
7 Correct 344 ms 3824 KB Output is correct
8 Correct 351 ms 3412 KB Output is correct
9 Correct 344 ms 3360 KB Output is correct
10 Correct 341 ms 3308 KB Output is correct
11 Correct 349 ms 3616 KB Output is correct
12 Correct 344 ms 3412 KB Output is correct
13 Correct 29 ms 2648 KB Output is correct
14 Correct 21 ms 860 KB Output is correct
15 Correct 219 ms 3880 KB Output is correct
16 Correct 227 ms 3656 KB Output is correct
17 Correct 223 ms 3768 KB Output is correct
18 Correct 29 ms 2128 KB Output is correct

Subtask #4
0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 600 KB Output is correct
17 Correct 15 ms 1884 KB Output is correct
18 Correct 15 ms 1884 KB Output is correct
19 Correct 15 ms 1884 KB Output is correct
20 Correct 16 ms 1884 KB Output is correct
21 Correct 15 ms 1880 KB Output is correct
22 Correct 16 ms 1884 KB Output is correct
23 Correct 15 ms 1884 KB Output is correct
24 Correct 15 ms 1884 KB Output is correct
25 Correct 15 ms 1884 KB Output is correct
26 Correct 15 ms 1884 KB Output is correct
27 Correct 19 ms 1884 KB Output is correct
28 Correct 15 ms 1888 KB Output is correct
29 Correct 15 ms 1884 KB Output is correct
30 Correct 15 ms 1884 KB Output is correct
31 Correct 14 ms 1884 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 412 KB Output is correct
38 Correct 344 ms 3824 KB Output is correct
39 Correct 351 ms 3412 KB Output is correct
40 Correct 344 ms 3360 KB Output is correct
41 Correct 341 ms 3308 KB Output is correct
42 Correct 349 ms 3616 KB Output is correct
43 Correct 344 ms 3412 KB Output is correct
44 Correct 29 ms 2648 KB Output is correct
45 Correct 21 ms 860 KB Output is correct
46 Correct 219 ms 3880 KB Output is correct
47 Correct 227 ms 3656 KB Output is correct
48 Correct 223 ms 3768 KB Output is correct
49 Correct 29 ms 2128 KB Output is correct
50 Correct 293 ms 4072 KB Output is correct
51 Correct 242 ms 4176 KB Output is correct
52 Incorrect 226 ms 4160 KB Output isn't correct
53 Halted 0 ms 0 KB -