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public static void scaleImage(InputStream imgInputStream,
OutputStream imgOutputStream, int scale)
{
try
{
Image src = javax.imageio.ImageIO.read(imgInputStream);
int width = ( int ) (src.getWidth( null ) * scale / 100.0 );
int height = ( int ) (src.getHeight( null ) * scale / 100.0 );
BufferedImage bufferedImage = new BufferedImage(width, height,
BufferedImage.TYPE_INT_RGB);
bufferedImage.getGraphics().drawImage(
src.getScaledInstance(width, height, Image.SCALE_SMOOTH),
0 , 0 , null );
JPEGImageEncoder encoder = JPEGCodec
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import java.util.Arrays;
import java.util.ArrayList;
public class SpanningTree{
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