String

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

//package javaapplication13;

/**
 *
 * @author tuukkatu
 */
public class JavaApplication13 {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) 
    {
        // TODO code application logic here
        
        IO io = new IO();
	
	//String a = io.next(); // Lukee seuraavan välein erotellun merkkijonon.
	//int b = io.nextInt(); // Lukee seuraavan välein erotellun int-kokonaisluvun.
	//long c = io.nextLong(); // Lukee seuraavan välein erotellun long-kokonaisluvun.
	//double d = io.nextDouble(); // Lukee seuraavan välein erotellun double-liukuluvun.
	
        int n = io.nextInt();
        
        String x = io.next();
        
        io.println(S(n, x));
        
        io.close();
    }
    
    private static String S(int numberOfOperations,
                            String originalString)
    {
        String alphabet = "abcdefghijklmnopqrstuvwxyz";
        
        String newString1 = "";
        
        for (int i = 0; i < originalString.length(); i++)
        {
            if (numberOfOperations >= (26 - alphabet.indexOf(originalString.charAt(i))))
            {
                newString1 = newString1 + "a";
                
                numberOfOperations = numberOfOperations - (26 - alphabet.indexOf(originalString.charAt(i)));
            }
            else
            {
                newString1 = newString1 + originalString.charAt(i);
            }
        }
        
        String newString2 = newString1.substring(0, newString1.length() - 1);
        
        numberOfOperations = numberOfOperations % 26;
        
        int index = alphabet.indexOf(newString1.charAt(newString1.length() - 1));
        
        if (index + numberOfOperations > 26)
        {
            index = index + numberOfOperations - 26; 
        }
        else
        {
            index = index + numberOfOperations;
        }
        
        newString2 = newString2 + alphabet.charAt(index);
        
        return newString2;
    }
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: TIME LIMIT EXCEEDED

Test 12

Verdict: TIME LIMIT EXCEEDED

Test 13

Verdict: WRONG ANSWER

Test 14

Verdict: TIME LIMIT EXCEEDED

Test 15

Verdict: ACCEPTED

Test 16

Verdict: TIME LIMIT EXCEEDED

Test 17

Verdict: WRONG ANSWER

Test 18

Verdict: TIME LIMIT EXCEEDED

Test 19

Verdict: TIME LIMIT EXCEEDED

Test 20

Verdict: TIME LIMIT EXCEEDED

Test 21

Verdict: TIME LIMIT EXCEEDED

Test 22

Verdict: TIME LIMIT EXCEEDED

Test 23

Verdict: TIME LIMIT EXCEEDED

Test 24

Verdict: TIME LIMIT EXCEEDED

Test 25

Verdict: TIME LIMIT EXCEEDED

Test 26

Verdict: TIME LIMIT EXCEEDED

Test 27

Verdict: TIME LIMIT EXCEEDED

Test 28

Verdict: TIME LIMIT EXCEEDED

Test 29

Verdict: TIME LIMIT EXCEEDED

Test 30

Verdict: TIME LIMIT EXCEEDED