当数字过长,R语言会自动采用科学计数法显示,测试如下 > a <- > a [] > a <- > a <- > a [] > a <- > a [] > a <- > a [] > a <- > a [] 1e+ 可以看到,默认情况下,当超过了10万时,自动采用科学计数法. 在画图时,刻度线采用科学计数法标记并不美观,想要解决这个问题,可以设置options(scipen) > options(s
题目链接: C. Exponential notation time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given a positive decimal number x. Your task is to convert it to the "simple exponential notation"
1060 Are They Equal (25 分) If a machine can save only 3 significant digits, the float numbers 12300 and 12358.9 are considered equal since they are both saved as 0 with simple chopping. Now given the number of significant digits on a machine and tw
1060. Are They Equal If a machine can save only 3 significant digits, the float numbers 12300 and 12358.9 are considered equal since they are both saved as 0.123*105 with simple chopping. Now given the number of significant digits on a machine and t