Submission #1127415

#	Time	Username	Problem	Language	Result	Execution time	Memory
1127415		Muhammet	Sequence (BOI14_sequence)	C++20	25 / 100	5 ms	584 KiB

sequence

#include <bits/stdc++.h>

using namespace std;

int n;

vector <int> a, b(105, 0), v;

bool f(int x){
	for(int i = 1; i <= n; i++){
		int x1 = x;
		bool tr = 0;
		while(x1){
			if(x1 % 10 == a[i]){
				tr = 1;
				break;
			}
			x1 /= 10;
		}
		if(tr == 0) return false;
		x++;
	}
	return true;
}

int main(){
	ios::sync_with_stdio(false); cin.tie(nullptr);

	cin >> n;
	a.resize(n);
	int mx = 0, mn = 1e9;
	for(int i = 0; i < n; i++){
		cin >> a[i];
		mn = min(mn, a[i]), mx = max(mx, a[i]);
	}
	if(mx != mn){
		for(int i = 1; i <= 20000; i++){
			if(f(i)){
				cout << i;
				return 0;
			}
		}
	}
	if(a[0] == 0 or a[0] == 9){
		int x = 1, k1 = 10, k2 = 8;
		while(x < n){
			k1 *= 10;
			k2 *= 10;
			k2 += 8;
			x *= 10;
			x++;
		}
		if(a[0] == 0) cout << k1;
		else cout << k2+1;
		return 0;
	}
	int x = 1;
	while(x < n){
		x *= 10;
	}
	x *= a[0];
	cout << x;
	return 0;
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 33
• Subtask 3: 25 / 25
• Subtask 4: 0 / 33