import strutils, sequtils, tables var n = stdin.readLine.parseInt a = stdin.readLine.split.map(parseInt) dic = initOrderedTable[int, seq[int]]() for i in 0.. <n: var x: int var y: int if dic.hasKey(a[i]): var val = dic[a[i]] x = val[0] y = val[1] else: x = n y = -1 x = min(x, i) y = max(y, i) dic[a[i]] = @[x, y] dic.sort(proc (x,y:(int,seq[int])):int = cmp(x[0],y[0])) var b = newSeqWith(n, 0) for k, v in dic: for i in v[0]..v[1]: b[i] = k echo b.mapIt($it).join(" ")