在toad中->view->option->data->display large number in scientific notation,不选择该选项即可. (在pl/sql developer中->tools->preferences->sql windows->number fields tochar,选中该选项即可.)
在java中,把一个double或者BigDecimal的小数转换为字符串时,经常会用科学计数法表示,而我们一般不想使用科学计数法,可以通过:DecimalFormat a = new DecimalFormat("#,##0.00000000"); System.out.println(a.format(11111111.0000001000000001));的方式来格式化输出字符串. 对于BigDecimal的小数,如果制定精度<=6, 则可以放心的使用其toS
Leftmost Digit Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 2519 Accepted Submission(s): 1101 Problem Description Given a positive integer N, you should output the leftmost digit of N^N. In