Find value whether x is in L int IsIn( Seqlist &l, ListDatax) t inti=0, found=0 while(i< Llength &&l found if(L data!=x)i++ else found=l return found:Find value：whether x is in L int IsIn ( SeqList &L, ListData x ) { int i = 0, found=0; while ( i < L.length &&!found ) if(L.data[i] != x ) i++; else found=1; return found; }