Submission #1095747

#	Time	Username	Problem	Language	Result	Execution time	Memory
1095747		vladilius	Gift Exchange (JOI24_ho_t4)	C++17	0 / 100	1 ms	456 KiB

Main

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define pb push_back
#define ff first
#define ss second
#define ins insert

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    int n; cin>>n;
    vector<int> a(n + 1), b(n + 1);
    for (int i = 1; i <= n; i++) cin>>a[i];
    for (int i = 1; i <= n; i++) cin>>b[i];
    
    int q; cin>>q;
    while (q--){
        int l, r; cin>>l>>r;
        priority_queue<pii, vector<pii>, less<pii>> p1, p2;
        for (int i = l; i <= r; i++){
            p1.push({a[i], i});
            p2.push({b[i], i});
        }
        bool ind = 1;
        while (!p2.empty()){
            if (p1.top().ss != p2.top().ss){
                if (p1.top().ff < p2.top().ff){
                    ind = 0;
                    break;
                }
                p1.pop();
                p2.pop();
                continue;
            }
            if (p1.size() == 1){
                ind = 0;
                break;
            }
            pii x = p1.top(); p1.pop();
            if (p1.top().ff < p2.top().ff){
                ind = 0;
                break;
            }
            p1.pop(); p2.pop();
            p1.push(x);
        }
        
        cout<<((ind) ? "Yes" : "No")<<"\n";
    }
}

• Subtask 1: 0 / 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