绝对值是指一个数在数轴上所对应点到原点的距离,所以,在数学领域,正数的绝对值是这个数本身,负数的绝对值应该是他的相反数. 这几乎是每个人都知道的. 在Java中,想要获得有个数字的绝对值,可以使用java.lang.Math中的abs方法,这个类共有4个重载的abs方法,分别是: public static int abs(int a) { return (a < 0) ? -a : a; } public static long abs(long a) { return (a < 0) ?
题目如下: Given N rational numbers in the form "numerator/denominator", you are supposed to calculate their sum. Input Specification: Each input file contains one test case. Each case starts with a positive integer N (<=100), followed in the next
Reverse digits of an integer. Example1: x = 123, return 321Example2: x = -123, return -321 Have you thought about this? Here are some good questions to ask before coding. Bonus points for you if you have already thought through this! If the integer's