public static void Main(){
string brokenCode = @"public int Factorial(int n) {
for (int i = 1; i < n; i++) {
var fixer = new FactorialFixer();
string fixedCode = fixer.FixCode(brokenCode);
Console.WriteLine($"Fixed Code: {fixedCode}");
public class FactorialFixer
public string FixCode(string code)
code = code.Replace("i <= n i++", "i <= n; i++");
code = code.Replace("result = 0;", "result = 1;");
code = code.Replace("return 0;", "return result;");
code = code.Replace("if (n == 0) return 0;", "if (n == 0) return 1;");
code = code.Replace("i < n", "i <= n");
code = code.Replace("result += i;", "result *= i;");