제출 #1158915

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1158915		vako_p	Passport (JOI23_passport)	C++20	0 / 100	0 ms	328 KiB

passport

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define debug(x) cerr << '\n' << __LINE__ << ": " << (#x) << " is " << (x) << endl;
//#define cerr if(false) cerr

const int mxN = 1e6 + 5;
ll n,R1[mxN];
pair<ll,ll> a[mxN];

int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin >> n;
	for(int i = 1; i <= n; i++){
		cin >> a[i].first >> a[i].second;
		R1[i] = max(R1[i - 1], a[i].second);
	}
	ll q;
	cin >> q;
	while(q--){
		ll x;
		cin >> x;
		ll res = 1;
		while(x < n){
			if(R1[x] <= x){
				res = -1;
				break;
			}
			x = R1[x];
			res++;
		}
		cout << res << '\n';
	}
}

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