Findsucceed int Next( Seq List &l, listData x)t int i= Find (x) if(i>0 & i< Llength )return i+1 else return-l FindPrevious int Next( Seqlist &l, listData x)i int i= Find(x); if(i>0 & i< Llength )return i-1 else return -l▪ FindSucceed int Next ( SeqList &L, ListData x ) { int i = Find(x); if ( i >0 && i < L.length ) return i+1; else return -1; } ▪ FindPrevious int Next ( SeqList &L, ListData x ) { int i = Find(x); if ( i >0 && i < L.length ) return i-1; else return -1; }