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Program.cs
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Program.cs
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using System;
using System.Collections.Generic;
namespace CanConvertStringInKMoves
{
class Program
{
static void Main(string[] args)
{
string s = "mpzzwh", t = "kaeblv";
int k = 24;
Console.WriteLine(CanConvertString(s, t, k));
}
static bool CanConvertString(string s, string t, int k)
{
if (s.Length != t.Length) return false;
var chances = new int[27];
for (int i = 0; i < chances.Length; i++)
{
chances[i] += k / 26;
if (k % 26 >= i)
chances[i]++;
}
for (int i = 0; i < s.Length; i++)
{
int distance = t[i] - s[i];
if (distance < 0)
{
chances[26 + distance]--;
if (chances[26 + distance] < 0) return false;
}
else if (distance > 0)
{
chances[distance]--;
if (chances[distance] < 0) return false;
}
}
return true;
}
}
}