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42 lines
1.3 KiB
Java
42 lines
1.3 KiB
Java
/*
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You have a stack with full of integers. Sort it in the ascending order using another temporary array by using all stack functionality.
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*/
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import java.util.Stack;
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public class StackSort
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{
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public static Stack<Integer> sortStack(Stack<Integer> input)
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{
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Stack<Integer> tmpStack = new Stack<Integer>();
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System.out.println("=============== debug logs ================");
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while(!input.isEmpty())
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{
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int tmp = input.pop();
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System.out.println("Element taken out: "+tmp);
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while(!tmpStack.isEmpty() && tmpStack.peek() > tmp)
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{
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input.push(tmpStack.pop());
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}
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tmpStack.push(tmp);
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System.out.println("input: "+input);
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System.out.println("tmpStack: "+tmpStack);
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}
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System.out.println("=============== debug logs ended ================");
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return tmpStack;
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}
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public static void main(String a[])
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{
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Stack<Integer> input = new Stack<Integer>();
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input.add(34);
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input.add(3);
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input.add(31);
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input.add(98);
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input.add(92);
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input.add(23);
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System.out.println("input: "+input);
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System.out.println("final sorted list: "+sortStack(input));
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}
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} |