Write a program to create base 10 to 7 encoder

195 viewsProgrammingalgorithms encoder java
0

How will you create a base 10 to 7 encoder satisfying the below mapping ?

Input: 7 Output: a0
Input: 7792875 Output: atlassian Write a program to achieve the same !!

Changed status to publish
0

/* package whatever; // don't place package name! */
 import java.util.*;
import java.lang.*;
import java.io.*;
 /* Name of the class has to be "Main" only if the class is public. */
class Base7Encoder {
 static String convert(long input) {
  int base10[] = {
   0,
   1,
   2,
   3,
   4,
   5,
   6
  };
  char base7[] = {
   '0',
   'a',
   't',
   'l',
   's',
   'i',
   'n'
  };
  long p = 1;
  long base7eq = 0;
  long base = 7;
  long digit = 0;
  while (input != 0) {
   digit = input % base;
   base7eq = base7eq + digit * p;
   p = p * 10;
   input = input / 7;
  }
    String b7 = Long.toString(base7eq);
  String output = new String();
  for (int i = 0; i < b7.length(); i++) {
   output += Character.toString(base7[b7.charAt(i) - 0x30]);
  }
  return output.toString();
 }
   public static void main(String args[]) {
  Base7Encoder b = new Base7Encoder();
  System.out.println(b.convert(7));
  System.out.println(b.convert(7792875));
 }
 }

Changed status to publish
Write your answer.

Categories