Submission #899240

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Source Code Expand

using static System.Console;class P{static void Main(){string a=ReadLine(),b=ReadLine();var d=new System.Collections.Generic.Dictionary<string, bool>();System.Func<string,bool>f=null;f=s=>{if(s.Length<=b.Length)return s==b;if(!d.ContainsKey(s)){d[s]=false;for(var i=0;i<s.Length-1;i++)d[s]|=f(s.Remove(i,2).Insert(i,(s[i]+s[i+1]-6)%10+""));}return d[s];};WriteLine(f(a)?"YES":"NO");}}

Submission Info

Compile Error

./Main.cs(1,6): error CS1041: Identifier expected, `static' is a keyword
./Main.cs(1,13): error CS1001: Unexpected symbol `System', expecting identifier