oj.uz

답안 #792461

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
792461 2023-07-25T05:11:18 Z vjudge1 Bitaro's travel (JOI23_travel) C++14
15 / 100
 151 ms 21604 KB 
#include<bits/stdc++.h>
#define ll long long
#define fi first
#define se second
using namespace std ;
const ll N = 2e5 ;
ll n, q, x[N + 1] ;
signed main()
{
    ios_base::sync_with_stdio( 0 ) ;
    cin.tie( 0 ) ;
    cout.tie( 0 ) ;
    cin >> n ;
    for(ll i = 1 ; i <= n ; i++)
        cin >> x[i] ;
    cin >> q ;
    if(q == 1)
    {
        ll ans = 0, pos ;
        cin >> pos ;
        set<ll> s_neg, s_pos ;
        for(ll i = 1 ; i <= n ; i++)
            s_pos.insert(x[i]), s_neg.insert(-x[i]) ;
        while(s_pos.size())
        {
            ll l = -1e18, r = 1e18 ;
            if(s_pos.lower_bound(pos) != s_pos.end())
                r = *s_pos.lower_bound(pos) ;
            if(s_neg.lower_bound(-pos) != s_neg.end())
                l = -(*s_neg.lower_bound(-pos)) ;
            if(pos - l <= r - pos)
            {
                ans += pos - l ;
                pos = l ;
                s_neg.erase(-l) ;
                s_pos.erase(l) ;
            }
            else
            {
                ans += r - pos ;
                pos = r ;
                s_neg.erase(-r) ;
                s_pos.erase(r) ;
            }
        }
        cout << ans ;
        return 0 ;
    }
    return 0 ;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 476 KB Output is correct
3 Correct 2 ms 476 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 472 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 2 ms 468 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 248 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 492 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 476 KB Output is correct
3 Correct 2 ms 476 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 472 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 2 ms 468 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 248 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 121 ms 21552 KB Output is correct
18 Correct 139 ms 21552 KB Output is correct
19 Correct 135 ms 21552 KB Output is correct
20 Correct 132 ms 21436 KB Output is correct
21 Correct 135 ms 21552 KB Output is correct
22 Correct 129 ms 21512 KB Output is correct
23 Correct 149 ms 21552 KB Output is correct
24 Correct 123 ms 21464 KB Output is correct
25 Correct 122 ms 21552 KB Output is correct
26 Correct 151 ms 21604 KB Output is correct
27 Correct 144 ms 21464 KB Output is correct
28 Correct 137 ms 21452 KB Output is correct
29 Correct 125 ms 21452 KB Output is correct
30 Correct 126 ms 21516 KB Output is correct
31 Correct 126 ms 21536 KB Output is correct

Subtask #3
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 476 KB Output is correct
3 Correct 2 ms 476 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 472 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 2 ms 468 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 248 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 121 ms 21552 KB Output is correct
18 Correct 139 ms 21552 KB Output is correct
19 Correct 135 ms 21552 KB Output is correct
20 Correct 132 ms 21436 KB Output is correct
21 Correct 135 ms 21552 KB Output is correct
22 Correct 129 ms 21512 KB Output is correct
23 Correct 149 ms 21552 KB Output is correct
24 Correct 123 ms 21464 KB Output is correct
25 Correct 122 ms 21552 KB Output is correct
26 Correct 151 ms 21604 KB Output is correct
27 Correct 144 ms 21464 KB Output is correct
28 Correct 137 ms 21452 KB Output is correct
29 Correct 125 ms 21452 KB Output is correct
30 Correct 126 ms 21516 KB Output is correct
31 Correct 126 ms 21536 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Incorrect 0 ms 212 KB Output isn't correct
34 Halted 0 ms 0 KB -