java prev_permutation
Java
public static boolean prev_permutation(int[] arr) {
int len = arr.length;
int i = len - 1;
// 1. find largest i where arr[i - 1] > arr[i]
while (i > 0) {
if (arr[i - 1] > arr[i]) break;
i--;
}
if (i <= 0) return false;
// 2. find largest j where arr[i - 1] > arr[j] and j >= i
int j = len - 1;
while (j >= i) {
if (arr[i - 1] > arr[j]) break;
j--;
}
// 3. swap elements between arr[i-1] and arr[j]
swap(i - 1, j, arr);
// 4. reverse elements from i to end of array
len--;
while (i < len) {
swap(i, len, arr);
len--;
i++;
}
return true;
}
public static void swap(int x, int y, int[] arr) {
int temp = arr[x];
arr[x] = arr[y];
arr[y] = temp;
}
Also in Java:
- Title
- height constraint layout guideline
- Category
- Java
- Title
- set preference value android
- Category
- Java
- Title
- online money transfer andhra bank
- Category
- Java
- Title
- init cap java
- Category
- Java
- Title
- java mysql springboot jpa stackoverflow
- Category
- Java
- Title
- bufferedwriter doesn't write to file
- Category
- Java
- Title
- 3-way radix quicksort java
- Category
- Java
- Title
- java d'intervalle de resultat
- Category
- Java
- Title
- check if object is empty java 8
- Category
- Java
- Title
- java execute for cycle parallel thread
- Category
- Java
- Title
- how to find length of array in java
- Category
- Java
- Title
- remove part of string java
- Category
- Java
- Title
- how to ask user for his location in android
- Category
- Java
- Title
- using class in java
- Category
- Java
- Title
- bukkit java get player count
- Category
- Java
- Title
- string to double java
- Category
- Java
- Title
- java string copy characters
- Category
- Java
- Title
- faire un timer en java
- Category
- Java
- Title
- java insertion sort
- Category
- Java
- Title
- arrays.aslist.add
- Category
- Java
- Title
- java constructor
- Category
- Java
- Title
- minecraft sounds spigot
- Category
- Java
- Title
- stack class in java
- Category
- Java
- Title
- tableau de classe java
- Category
- Java
- Title
- treemap get order java
- Category
- Java
- Title
- how to play an audio in java
- Category
- Java
- Title
- strong password regular expression java
- Category
- Java
- Title
- how to create java jframe in eclipse
- Category
- Java
- Title
- how to get witdth of window android
- Category
- Java
- Title
- the type javax.servlet.ServletException cannot be resolved. It is indirectly referenced from required .class files
- Category
- Java
- Title
- test function that call a function javascrip
- Category
- Java
- Title
- how to split a string in java
- Category
- Java
- Title
- java time code
- Category
- Java
- Title
- restart application programmatically android
- Category
- Java
- Title
- capcitor FERR_CLEARTEXT_NOT_PERMITTED
- Category
- Java
- Title
- change fragment in android studio
- Category
- Java
- Title
- string to char in java
- Category
- Java
- Title
- how to change text size of textview with code in android studio
- Category
- Java
- Title
- how to fill a list with a single value java
- Category
- Java
- Title
- override java
- Category
- Java
- Title
- how to run java program in linux server
- Category
- Java
- Title
- java array to list
- Category
- Java
- Title
- java taking console input
- Category
- Java
- Title
- final variables in java
- Category
- Java
- Title
- import java.util.*;
- Category
- Java
- Title
- mettre caractère de string en majuscule java
- Category
- Java
- Title
- java random seed
- Category
- Java
- Title
- check java version
- Category
- Java
- Title
- shortcut to find a class in java project eclipse
- Category
- Java
- Title
- java pass arraylist by value
- Category
- Java
- Title
- java singleton
- Category
- Java
- Title
- ecommerce app github android
- Category
- Java
- Title
- java intercept ctrl c
- Category
- Java
- Title
- java stream find specific element
- Category
- Java
- Title
- regex get string between quotes java
- Category
- Java
- Title
- java lerp
- Category
- Java
- Title
- index of an array procesing
- Category
- Java
- Title
- room insert and return id
- Category
- Java
- Title
- java switch multiple values
- Category
- Java
- Title
- boolean parse jtextfield
- Category
- Java
- Title
- how to get all of the chldren of a panel in java
- Category
- Java
- Title
- java program to display characters from a to z using loop
- Category
- Java
- Title
- primitive data types in java
- Category
- Java
- Title
- format localdate java
- Category
- Java
- Title
- copy array in java
- Category
- Java
- Title
- java get html from url
- Category
- Java
- Title
- Java system load from resources
- Category
- Java
- Title
- difference between java and javascript
- Category
- Java
- Title
- java creare costante
- Category
- Java
- Title
- read csv in java in spring
- Category
- Java
- Title
- fibonacci sequence java
- Category
- Java
- Title
- java tester si un caractere est une lettre
- Category
- Java
- Title
- toString convert to long
- Category
- Java
- Title
- counting the number of characters in a string java
- Category
- Java
- Title
- java calculator code
- Category
- Java
- Title
- cannot lock java compile cache as it has already been locked by this process
- Category
- Java
- Title
- switch statement in apex
- Category
- Java
- Title
- Compilation is not supported for following modules: android. Unfortunately you can't have non-Gradle Java modules and Android-Gradle modules in one project
- Category
- Java
- Title
- java identifier expected
- Category
- Java
- Title
- how to create a method java
- Category
- Java
- Title
- tolowercase java
- Category
- Java
- Title
- how to use for loop for array in java
- Category
- Java
- Title
- java array to arraylist
- Category
- Java
- Title
- java import
- Category
- Java
- Title
- java function that returns the index of the largest value in an array
- Category
- Java
- Title
- Character.getNumericValue['z']
- Category
- Java
- Title
- sdkmanager JAVA_HOME invalid directory
- Category
- Java
- Title
- delete element from arraylist
- Category
- Java
- Title
- java string array
- Category
- Java
- Title
- how to check how many anagrams a word has in java
- Category
- Java
- Title
- JOptionPane with drop down list java
- Category
- Java
- Title
- check last character of string java
- Category
- Java
- Title
- binary search tree insert java
- Category
- Java
- Title
- java builder pattern example
- Category
- Java
- Title
- Filebody in java
- Category
- Java
- Title
- java list of a class has a string that is equal to
- Category
- Java
- Title
- abs in java
- Category
- Java
- Title
- java for
- Category
- Java
- Title
- how to get token oauth2.0 java example response
- Category
- Java
- Title
- java for in loop
- Category
- Java