text: if res is true then swap the element and make the first array sorted
code: if ( res ) { swap ( arr1 , wrongIdx , arr2 , maxIdx ) ; } return res ; } static void swap ( int [ ] a , int wrongIdx , int [ ] b , int maxIdx ) { int c = a [ wrongIdx ] ; a [ wrongIdx ] = b [ maxIdx ] ; b [ maxIdx ] = c ; }