===== PascalABC.NET =====

begin

// 1

Println('- 1 -');

var a := ArrGen(28, i -> 10 * Random(6));

a.Println;

Print('Без осадков:');

for var i := 0 to a.High do

if a[i] = 0 then

(i+1).Print;

Writeln;

// 2

Println('- 2 -');

var b := ArrRandom(20, -30, 80);

b.Println;

b.Transform((v, i) -> i.IsOdd ? Abs(v) : v);

b.Println;

// 3

Println('- 3 -');

var n := ReadInteger('n =');

var c := ArrRandom(n, -50, 50);

c.Println;

Println('Min =', c.Min)

end.