Created
April 25, 2018 03:19
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import java.util.*; | |
public final class StackSorting { | |
public static void resolve(int[] array, int n, int k) { | |
Stack<Integer> s = new Stack<>(); | |
s.push(n+1); | |
int t = 1; | |
for (int i = 0; i < n; i++) { | |
if (i >= k) array[i] = s.peek() - 1; | |
s.push(array[i]); | |
while (!s.isEmpty() && s.peek() == t) { | |
s.pop(); | |
t++; | |
} | |
} | |
if (!s.isEmpty()) System.out.println("-1"); | |
else { | |
for (int i = 0; i < n; i++) { | |
System.out.print(array[i] + " "); | |
} | |
} | |
} | |
public static void main(String[] args) { | |
// TODO Auto-generated method stub | |
int resultado; | |
String parametros[]; | |
Scanner input = new Scanner(System.in); | |
String line; | |
// n: numero de elementos da permutação, k: elementos que me deram | |
int n, k; | |
line = input.nextLine(); | |
parametros = line.split(" "); | |
n = Integer.parseInt(parametros[0]); | |
k = Integer.parseInt(parametros[1]); | |
line = input.nextLine(); | |
parametros = line.split(" "); | |
int array[] = new int[n]; | |
for (int i = 0; i < k; i++) | |
array[i] = Integer.parseInt(parametros[i]); | |
resolve(array, n, k); | |
} | |
} |
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