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Just another update

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This commit is contained in:
Ingy döt Net 2015-02-20 00:35:01 -05:00
parent a25938f123
commit 00a190b0a6
6591 changed files with 94363 additions and 23227 deletions
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14
Task/Best-shuffle/Java/best-shuffle.java
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@ -1,4 +1,4 @@
import java.util.*;
import java.util.Random;
public class BestShuffle {
@ -10,7 +10,7 @@ public class BestShuffle {
public static String bestShuffle(final String s1) {
char[] s2 = s1.toCharArray();
Collections.shuffle(Arrays.asList(s2));
shuffle(s2);
for (int i = 0; i < s2.length; i++) {
if (s2[i] != s1.charAt(i))
continue;
@ -26,6 +26,16 @@ public class BestShuffle {
return s1 + " " + new String(s2) + " (" + count(s1, s2) + ")";
}
public static void shuffle(char[] text) {
Random rand = new Random();
for (int i = text.length - 1; i > 0; i--) {
int r = rand.nextInt(i + 1);
char tmp = text[i];
text[i] = text[r];
text[r] = tmp;
}
}
private static int count(final String s1, final char[] s2) {
int count = 0;
for (int i = 0; i < s2.length; i++)