Submission #1153361

#	Time	Username	Problem	Language	Result	Execution time	Memory
1153361		irmuun	Gift Exchange (JOI24_ho_t4)	C++20	4 / 100	2595 ms	2632 KiB

Main

#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    ll n;
    cin>>n;
    ll a[n+5],b[n+5];
    for(ll i=1;i<=n;i++){
        cin>>a[i];
    }
    for(ll i=1;i<=n;i++){
        cin>>b[i];
    }
    ll ans=0;
    ll q;
    cin>>q;
    while(q--){
        ll l,r;
        cin>>l>>r;
        vector<ll>v(r-l+1);
        iota(all(v),l);
        bool flag=false;
        do{
            bool ok=true;
            for(ll i=0;i<v.size();i++){
                if(v[i]==i+l){
                    ok=false;
                    break;
                }
                if(a[v[i]]<b[i+l]){
                    ok=false;
                    break;
                }
            }
            if(ok) flag=true;
        }while(next_permutation(all(v)));
        cout<<(flag?"Yes\n":"No\n");
    }
}

• Subtask 1: 4 / 4
• Subtask 2: 0 / 5
• Subtask 3: 0 / 10
• Subtask 4: 0 / 31
• Subtask 5: 0 / 8
• Subtask 6: 0 / 12
• Subtask 7: 0 / 18
• Subtask 8: 0 / 12