Submission #83546

#	Time	Username	Problem	Language	Result	Execution time	Memory
83546		leejseo	이상한 수열 (OJUZ10_bizarre)	C++14	62 / 100	1078 ms	6344 KiB

bizarre

#include <bits/stdc++.h>
using namespace std;

int N, M;
int S[50001];
set<int> T;

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr); cout.tie(nullptr);
	cin >> N;
	for (int i=1; i<=N; i++){
		cin >> S[i];
		T.insert(S[i]);
	}
	cin >> M;
	if (M <= N){
		cout << S[M] << endl;
		return 0;
	}
	if ((signed) T.size() > *T.rbegin()){
		cout << T.size() + M - N - 1 << endl;
		return 0;
	}
	int i = N+1;
	while (1){
		if (i == M){
			cout << T.size() << endl;
			return 0;
		}
		if (T.lower_bound(T.size()) != T.end()){
			T.insert(T.size());
			i++;
			continue;
		}
		cout << T.size() + M - i << endl;
		return 0;
	}
}

• Subtask 1: 8 / 8
• Subtask 2: 24 / 24
• Subtask 3: 30 / 30
• Subtask 4: 0 / 38