题解 | 小红的字符串修改 C#

using System;
using System.Collections.Generic;
public class Program {
    public static void Main() {
        //这题用滑动窗口来判断当前t能不能变成s的当前子字符串
        string s = Console.ReadLine();
        string t = Console.ReadLine();
        int lenOfSlindingWindow = s.Length;
        int loopTimes = t.Length - lenOfSlindingWindow;
        int minCount = 999999;
        
        for(int i = 0; i < loopTimes; i++)
        {   
            int currCount = 0;
            int startIndex = i;
            //暴力枚举看看能不能把t变成s的子字符串
            for(int j = startIndex; j < startIndex + lenOfSlindingWindow; j++)
            {
                char cFromS = s[j - startIndex];
                char cFromT = t[j];
                
                int diff = Math.Abs(cFromS - cFromT);
                int reverseedDiff = 26 - diff;
                currCount += Math.Min(diff, reverseedDiff);

            }
            minCount = Math.Min(minCount, currCount);
        }

        Console.WriteLine(minCount);

    }
}