Preparation of a function, even to the importation of n, the function call seeking +1/n 1/2+1/4+ .... When n is odd input, the function call 1/1+1/3+ ... +1/n (using function pointer)-Preparation of a function, even to the importation of n, the function call seeking a / n 1 / 2 1 / 4 .... When n is odd input, the function call 1 / 1 1 / 3 ... 1 / n (using functio n pointer)