摘要：Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. Symbol Value I 1 V 5 X 10 L 50 C 100 D 500 M 1000 For example, 2 is 阅读全文

摘要：删除数据库中相同内容元素的方法是非常常见的问题，数据重复会占用许多不必要的空间。 如集合arr1[] ={11, 22, 33, 44, 55}; arr2[] ={23, 11, 64, 55, 98};都具有相同的元素{11, 55}，那么如何将arr2中的元素添加到arr1呢? 从arr2中的 阅读全文

摘要：In a small town the population is p0 = 1000 at the beginning of a year. The population regularly increases by 2 percent per year and moreover 50 new i 阅读全文

摘要：You might wonder how we can implement a function that calls itself. 您可能想知道我们如何实现一个自我调用的函数 might 或，威力，强权 wonder奇迹 might wonder可能想知道 implement实施，实行，实现，执 阅读全文