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@bknarendra
Created May 14, 2012 07:40
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CoderCharts:It's raining anagrams
import java.util.*;
import java.io.*;
public class its_raining_anagrams
{
public static short[]profile(String s)
{
int i,n=s.length();
short arr[]=new short[26];
for(i=0;i<n;i++)
arr[s.charAt(i)-'A']++;
return arr;
}
public static boolean check(short a[],short b[])
{
for(int i=0;i<26;i++)
if(a[i]!=b[i]) return false;
return true;
}
public static void main(String[] args) throws IOException
{
InputReader sc=new InputReader(new FileInputStream(args[0]));
int i,j,z,y;
String s="";
Vector <String>v[]=new Vector[26];
TreeSet<String>res=new TreeSet<String>();
for(i=0;i<26;i++) v[i]=new Vector();
for(;!sc.isExhausted();)
{
s=sc.next();
v[s.charAt(0)-'A'].add(s);
}
sc=new InputReader(new FileInputStream(args[1]));
String in="";
short arr[],arr1[];
for(;!sc.isExhausted();)
{
in=sc.next();
arr=profile(in);
for(i=0;i<in.length();i++)
{
y=in.charAt(i)-'A';
z=v[y].size();
for(j=0;j<z;j++)
{
arr1=profile(v[y].elementAt(j));
if(check(arr,arr1)) res.add(v[y].elementAt(j));
}
}
System.out.println(res.size());
for(;!res.isEmpty();)
System.out.println(res.pollFirst());
res.clear();
}
}
}
class InputReader {
private boolean finished = false;
private InputStream stream;
private byte[] buf = new byte[1024];
private int curChar;
private int numChars;
public InputReader(InputStream stream) {
this.stream = stream;
}
public int read() {
if (numChars == -1)
throw new InputMismatchException();
if (curChar >= numChars) {
curChar = 0;
try {
numChars = stream.read(buf);
} catch (IOException e) {
throw new InputMismatchException();
}
if (numChars <= 0)
return -1;
}
return buf[curChar++];
}
public int peek() {
if (numChars == -1)
return -1;
if (curChar >= numChars) {
curChar = 0;
try {
numChars = stream.read(buf);
} catch (IOException e) {
return -1;
}
if (numChars <= 0)
return -1;
}
return buf[curChar];
}
public int readInt() {
int c = read();
while (isSpaceChar(c))
c = read();
int sgn = 1;
if (c == '-') {
sgn = -1;
c = read();
}
int res = 0;
do {
if (c < '0' || c > '9')
throw new InputMismatchException();
res *= 10;
res += c - '0';
c = read();
} while (!isSpaceChar(c));
return res * sgn;
}
public String readString() {
int c = read();
while (isSpaceChar(c))
c = read();
StringBuffer res = new StringBuffer();
do {
res.appendCodePoint(c);
c = read();
} while (!isSpaceChar(c));
return res.toString();
}
private boolean isSpaceChar(int c) {
return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1;
}
public char readCharacter() {
int c = read();
while (isSpaceChar(c))
c = read();
return (char) c;
}
public double readDouble() {
int c = read();
while (isSpaceChar(c))
c = read();
int sgn = 1;
if (c == '-') {
sgn = -1;
c = read();
}
double res = 0;
while (!isSpaceChar(c) && c != '.') {
if (c == 'e' || c == 'E')
return res * Math.pow(10, readInt());
if (c < '0' || c > '9')
throw new InputMismatchException();
res *= 10;
res += c - '0';
c = read();
}
if (c == '.') {
c = read();
double m = 1;
while (!isSpaceChar(c)) {
if (c == 'e' || c == 'E')
return res * Math.pow(10, readInt());
if (c < '0' || c > '9')
throw new InputMismatchException();
m /= 10;
res += (c - '0') * m;
c = read();
}
}
return res * sgn;
}
public boolean isExhausted() {
int value;
while (isSpaceChar(value = peek()) && value != -1)
read();
return value == -1;
}
public String next() {
return readString();
}
}
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