#C# 69-5 = 64# public string m(int n){return n%2==0?(n%4==0?"1":"-1"):(m(n-1)+"i");}
binderbound
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#C# 69-5 = 64# public string m(int n){return n%2==0?(n%4==0?"1":"-1"):(m(n-1)+"i");}