Related InterviewSolutions

• What is linear_congruential_engine?(a) Pseudo-random number engine that generates random unsigned integers in the range [0, 2^w-1] for some w using Mersenne Twister algorithm(b) Pseudo-random number engine that generates random unsigned integers(c) Pseudo-random number engine that generates random unsigned integers in the range [0, 2^w-1] for some w using lagged Fibonacci generator(d) Pseudo-random number engine that generates random signed integers in the range [0, 2^w-1] for some w using Mersenne Twister algorithm
• Which function is used to get the real part of the complex number?(a) img_p()(b) imag_p()(c) real()(d) real_p()
• Which function is used to get the argument of a complex number?(a) abs()(b) norm()(c) arg()(d) argu()
• Which of the following is correct about extent() function?(a) Returns how many elements are in array currently(b) Returns the size of the 1st dimension(c) Returns how many total elements can be stored in an array(d) Returns the size of a given dimension
• What is subtract_with_carry_engine?(a) Pseudo-random number engine that generates random unsigned integers(b) Pseudo-random number engine that generates random unsigned integers in the range [0, 2^w-1] for some w using Mersenne Twister algorithm(c) Pseudo-random number engine that generates random unsigned integers in the range [0, 2^w-1] for some w using lagged Fibonacci generator(d) Pseudo-random number engine that generates random signed integers in the range [0, 2^w-1] for some w using Mersenne Twister algorithm
• What is vptr?(a) A hidden pointer in a class that points to a virtual table of that class(b) A hidden pointer in a class that points to virtual functions of that class(c) A hidden pointer in a class that points to virtual members of the class of that class(d) A pointer in a class that points to other class
• Which function is used to calculate the conjugate of a complex number?(a) conj()(b) reverse()(c) opp()(d) find_conj()
• What is the use of is_array() function in C++?(a) To check if a variable is array type or not(b) To check if a variable is 1-D array type or not(c) To check if a variable is 2-D array type or not(d) To check if a variable is 1-D or 2-D array type or not
• Which function is used to get the imaginary part of the complex number?(a) real()(b) imag()(c) imag_p()(d) real_p()
• What is the full form of vtable?(a) V type table(b) Vector table(c) Virtual table(d) Virtual-vector table