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using System:
namespace ConsoleApplicationi
delegate void Del (ref string s); //
class Class
{
public static void C001 (ref string s) // 1
string temp = " ";
for (int i = 0: i < s.Length: ++i)
if (s [ i ] == '0' || s [ i ]== ' 0 ') temp += '0';
else if (s [ i ] == ' I ') temp += ' 1';
else temp += s [ i j;
}
s = temp;
}
public static void Hack (ref string s) // 2
{
string temp = " ";
for (int i = 0; i < s.Length; ++i)
if (i / 2 * 2 == i) temp += char.ToUpper(s [ i ]);
else temp += s [ i ];
}
s = temp;
static void Main{
string s = "cool hackers";
Del d; //
for (int i = 0; i < 2; ++i)
{ d = new Del(COOl); // 1
if (i == 1) d = new Del(Hack); // 2
d(ref s); //
Console.WriteLine(s);
} }
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