diff --git a/.idea/compiler.xml b/.idea/compiler.xml new file mode 100644 index 0000000..2bb69ef --- /dev/null +++ b/.idea/compiler.xml @@ -0,0 +1,16 @@ + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 0000000..d30d09e --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,13 @@ + + + + + + + + + \ No newline at end of file diff --git a/.idea/modules.xml b/.idea/modules.xml new file mode 100644 index 0000000..5103107 --- /dev/null +++ b/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..35eb1dd --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/PlaylistChallenge.iml b/PlaylistChallenge.iml new file mode 100644 index 0000000..0ddf51c --- /dev/null +++ b/PlaylistChallenge.iml @@ -0,0 +1,16 @@ + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/src/main/java/io/zipcoder/Music.java b/src/main/java/io/zipcoder/Music.java index 180c65c..6bd5f36 100644 --- a/src/main/java/io/zipcoder/Music.java +++ b/src/main/java/io/zipcoder/Music.java @@ -4,11 +4,46 @@ public class Music { private String[] playList; - public Music(String[] playList){ + public Music(String[] playList) { this.playList = playList; } - public Integer selection(Integer startIndex, String selection){ - return null; + + + public Integer selection(Integer startIndex, String selection) { + + + + int leftCount=0; + int rightCount=0; + //right counting + int i=startIndex; + while(playList[i]!=selection){ + i++; + rightCount++; + if(i==playList.length){ + i=0; + } + + } + //left counting + int j=startIndex; + while(playList[j]!=selection){ + j--; + leftCount++; + + if(j<0){ + j=playList.length-1; + } + + } + if(leftCount<=rightCount){ + return leftCount; + } + + + + + return rightCount; } -} +} \ No newline at end of file diff --git a/target/classes/io/zipcoder/Music.class b/target/classes/io/zipcoder/Music.class new file mode 100644 index 0000000..bf625c9 Binary files /dev/null and b/target/classes/io/zipcoder/Music.class differ diff --git a/target/test-classes/io/zipcoder/MusicTest.class b/target/test-classes/io/zipcoder/MusicTest.class new file mode 100644 index 0000000..3a5845d Binary files /dev/null and b/target/test-classes/io/zipcoder/MusicTest.class differ