
Если нужен паскаль:
1.
var
a,b:integer;
begin
readln(a,b);
writeln(a,'+',b,'=',a+b);
writeln(a,'*',b,'=',a*b);
end.
2.
var
n,c,m,h:integer;
begin
readln(n);
m:=n div 60;
c:=n mod 60;
if m>=60 then
begin
h:=m div 60;
m:=m mod 60;
if m<>0 then
if c<>0 then
write(h,'ч ',m,'мин ',c,'с')
else
write(h,'ч ',m,'мин ')
else
if c<>0 then
write(h,'ч ',c,'с')
else
write(h,'ч');
end
else
if m<>0 then
if c<>0 then
write(m,'мин ',c,'с')
else
write(m,'мин ')
else
write(c,'с');
end.
--- C# 7.3 ---
using System;
using System.Collections.Generic;
using System.Linq;
namespace CSLear
{
class Program
{
static void Main(string[] args)
{
string[] RawString = Console.ReadLine().Split(' ', ',' , '.');
int Shortest = RawString.Select(s => s.Length).Min();
for (int index = 0; index < RawString.Count(); index++)
{
ref string selected = ref RawString[index];
if (selected.Length == Shortest && selected != "")
{
selected = selected.Insert(0, "*");
}
}
Console.WriteLine(string.Join(" ", RawString));
Console.ReadKey();
}
}
}