On Tuesday, 3 September 2019 at 12:55:29 UTC, lili wrote: > Hi guys: > > input is two line, first line is a number n and second line > is n float point number, > e.g. 3 > 1.1 2.2 3.3 > how use stdin.readf get all number. u can read array this way too > auto darr = readln.split.map!(x => x.to!double).array; > darr.writeln;