algorithm/Java
1
0
Fork 0
mirror of https://github.com/TheAlgorithms/Java.git synced 2025-07-09 20:20:56 +08:00
Code Issues Packages Projects Releases Wiki Activity

description added and also link to the algorithm review

Browse Source
This commit is contained in:
vakhokoto
2020-07-22 12:52:54 +04:00
parent 7a4d6b2544
commit a983a15b62
1 changed files with 9 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
Strings/ZFunction.java
View File

@ -1,21 +1,25 @@
// Initialisation of strings algorithm Z function
// detailed review and proper examples can be seen on the link bewlow
//
// Link of algorithm review: https://www.geeksforgeeks.org/z-algorithm-linear-time-pattern-searching-algorithm/
package Strings;
public class ZFunction {
private String s;
private String string;
public ZFunction(String s){
this.s = s;
public ZFunction(String string){
this.string = string;
}
public int[] getArray(){
int length = s.length();
int length = string.length();
int[] z = new int[length];
int l = 0, r = 0;
for (int i=0; i<length; i++){
if (i > l && i <= r){
z[i] = Math.min(z[i - l], r - i + 1);
}
while (i + z[i] < length && s.charAt(z[i]) == s.charAt(i + z[i])){
while (i + z[i] < length && string.charAt(z[i]) == string.charAt(i + z[i])){
z[i]++;
}
if (i + z[i] > r){