Driver Code
public static void main ( String [ ] args ) { int n = 5 ; char str [ ] [ ] = { "129300455" . toCharArray ( ) , "5559948277" . toCharArray ( ) , "012334556" . toCharArray ( ) , "56789" . toCharArray ( ) , "123456879" . toCharArray ( ) } ; System . out . print ( countPair ( str , n ) + "NEW_LINE"); } }