Fast Fourier Transform, Algorithms, Pattern Matching, Convolution, Combination Sum.
q if g & (g-1) != 0: b = int(math.log(g, 2))+1 g = (1 << b) p_coefficients += [0]*(g-n) q_coefficients += [0]*(g-m) omega = np.exp(2j*np.pi/g) omega_inv = np.exp(-2j*np.pi/g) # Compute DFT of p and q p_dft = fft(p_coefficients, omega) q_dft = fft(q_coefficients, omega) # Compute the R vector r =