Submission #793683

#	Time	Username	Problem	Language	Result	Execution time	Memory
793683		vjudge1	Passport (JOI23_passport)	C++14	6 / 100	34 ms	1876 KiB

passport

#include<bits/stdc++.h>
using namespace std ;
const int N = 2e5 ;
int n, q, l[N + 1], r[N + 1], x[N + 1] ;
int main()
{
    ios_base::sync_with_stdio( 0 ) ;
    cin.tie( 0 ) ;
    cout.tie( 0 ) ;
    cin >> n ;
    for(int i = 1 ; i <= n ; i++)
        cin >> l[i] >> r[i] ;
    cin >> q ;
    for(int i = 1 ; i <= q ; i++)
        cin >> x[i] ;
    if(q == 1 && x[1] == 1)
    {
        int ans = 0, mx = r[1], ind = 1 ;
        while(ind < n)
        {
            int mx1 = 0 ;
            for(int j = ind ; j <= mx ; j++)
                mx1 = max(mx1, r[j]) ;
            ans++ ;
            ind = mx ;
            if(mx1 == mx)
                break ;
            mx = max(mx1, mx) ;
        }
        if(ind < n)
            ans = -1 ;
        cout << ans ;
        return 0 ;
    }
    return 0 ;
}

• Subtask 1: 6 / 6
• Subtask 2: 0 / 16
• Subtask 3: 0 / 24
• Subtask 4: 0 / 8
• Subtask 5: 0 / 46