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SM05vs.sanckh

Refactor the Existing Code for Better Performance and Readability

Code
Diff
  • using System;

public class Program
{
  public static int FindSquaresInArray(int[] arr)
  {
    int sum = 0;
    for (int i = 0; i < arr.Length; i++)
    {
      sum += arr[i] * arr[i];
    }
    return sum;
  }
}
    • using System;
    • public class Program
    • {
    • public static int FindSquaresInArray(int[] arr)
    • {
    • int sum = 0;
    • for (int i = 0; i < arr.Length; i++)
    • {
    • for (int j = 0; j < arr[i]; j++)
    • {
    • sum += arr[i];
    • }
    • sum += arr[i] * arr[i];
    • }
    • return sum;
    • }
    • }
SM05vs.dx3mirror

Check same case

Code
Diff
  • public static class Kata
{
    public static int SameCase(char a, char b)
    {
        if (!char.IsLetter(a) || !char.IsLetter(b))
        {
            return -1;
        }

        return char.IsUpper(a) == char.IsUpper(b) ? 1 : 0;
    }
}
    • public static class Kata
    • {
    • public static int SameCase(char a, char b)
    • {
    • if (!IsLetter(a) || !IsLetter(b))
    • if (!char.IsLetter(a) || !char.IsLetter(b))
    • {
    • return -1;
    • }
    • return IsUpper(a) == IsUpper(b) ? 1 : 0;
    • }
    • private static bool IsLetter(char c)
    • {
    • return (uint)(c - 'A') <= ('Z' - 'A') || (uint)(c - 'a') <= ('z' - 'a');
    • }
    • private static bool IsUpper(char c)
    • {
    • return (uint)(c - 'A') <= ('Z' - 'A');
    • return char.IsUpper(a) == char.IsUpper(b) ? 1 : 0;
    • }
    • }