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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
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16
Task/Fibonacci-sequence/C-sharp/fibonacci-sequence-11.cs Normal file
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private static Matrix M;
private static readonly Matrix N = new Matrix(1,1,1,0);
public static ulong Fib(uint n) {
M = new Matrix(1,0,0,1);
MatrixPow(n-1);
return (ulong)M[0][0];
}
private static void MatrixPow(double n){
if (n > 1) {
MatrixPow(n/2);
M *= M;
}
if (n % 2 == 0) M *= N;
}