Riku-tei

{
    "cur": "USD",
    "id": "71ee43cd974c43e9a6ad59b7386279b8",
    "seatbid": [
        {
            "bid": [
                {
                    "nurl": "http://et-eus.w.inmobi.com/c.asm/HDbA1qWZgLjkBRb21AgUXBS8ARX8BRsBWBgkMDNmOWYwZTQtOTM3ZC00Zjg1LTkyNzUtZjUzMGUwMTA3YjJmHBUEFRgVAhWgBhUCJQAoBnNfb3J0YgATACXKARgYWTI5dExtNTFkQzVwWkM1emRHbGphMlZ5FsCNtwEcHBaAwOiXwMrLnkYW4f3__9_gwP89AAAVGBcAAAAAAIBRQBIUABwSGRUCABbAjbcBGANVU0QW3rut0-9eGfUV6J0B_qsBnKwBtqwByrsBkssBlMsBmssB9ssBmswBnMwBoMwByMwBzMwB1swB1tMB4OIB_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

Riku-tei

class Solution {
    public Node flatten(Node head) {
        Node node=head;
        while(node!=null){
        node=insert(node.child,node,node.next);
        }
        return head;
    }
    public Node insert(Node child,Node pre,Node next){
        if(child==null)return next;

Riku-tei

package com.tei;

public class StringRotation {
    boolean isRotation(String str1, String str2) {
        if (str1.length() == str2.length() && str1.length() > 0) {
            return isSubstring(str1 + str1, str2);
        }
        return false;
    }
}

Riku-tei

package com.tei;

import java.util.Arrays;

public class ZeroMatrix {
    static void setZeroMatrix(int[][] matrix) {
        boolean[] rowHaszero = new boolean[matrix.length];
        boolean[] columnHaszero = new boolean[matrix[0].length];
        for (int i = 0; i < matrix.length; i++) {
            for (int j = 0; j < matrix[0].length; j++) {

Riku-tei

package com.tei;

import java.util.Arrays;

public class Rotation {
   static boolean rotate(int[][] matrix) {
        if (matrix.length == 0 || matrix.length != matrix[0].length) {
            return false;
        }
        int n = matrix.length;

Riku-tei

package com.tei;

public class compresseddString {
   static String compress(String str) {
        StringBuilder sen = new StringBuilder();
        int countsecutive = 0;
        for (int i = 0; i < str.length(); i++) {
            countsecutive++;
            if (i == str.length() - 1 || str.charAt(i) != str.charAt(i + 1)) {
                sen.append(str.charAt(i));

Riku-tei

package com.tei;

public class Oneaway {
    boolean isOneAway(String str1, String str2) {
        if (str1.length() == str2.length()) {
            return isReplace(str1, str2);
        }
        if (str1.length() + 1 == str2.length()) {
            return isInsert(str1, str2);
        }

Riku-tei

package com.tei;

public class PalindromePermutation {
    public  boolean isPermutationofPalindrome(String str) {
        String strlow = str.toLowerCase();
        int[] arr=buildtable(strlow);
        return countOdd(arr);
    }

    boolean countOdd(int[] arr) {

Riku-tei

public class URLify {
    public static void urlify(char[] str, int length) {
        int blank = 0;
        for (int i = 0; i < length; i++) {
            if (str[i] == ' ') {
                blank++;
            }
        }
        int back = length + blank * 2;
        for (int i = length - 1; i >= 0; i--) {

Riku-tei

String sort(String s) {
        char[] content = s.toCharArray();
        Arrays.sort(content);
        return new String(content);
    }

boolean permutation1(String s, String t) {
        if (s.length() != t.length()) {
            return false;
        }