Submission #792742

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
792742	2023-07-25 08:27:18	vjudge1	Bitaro's travel (JOI23_travel)	C++14	100 / 100	331 ms	22596 KiB

travel

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#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 + 2], abu[N + 2] ;
bool flag ;
signed main()
{
    ios_base::sync_with_stdio( 0 ) ;
    cin.tie( 0 ) ;
    cout.tie( 0 ) ;
    cin >> n ;
    x[0] = -1e18 ;
    x[n + 1] = 1e18 ;
    for(ll i = 1 ; i <= n ; i++)
        cin >> x[i] ;
    for(ll i = 1 ; i < n ; i++)
        if(x[i + 1] - x[i] > 100)
            flag = 1 ;
    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())
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 30 / 30
• Subtask 4: 55 / 55