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PAT1049. Counting Ones
The task is simple: given any positive integer N, you are supposed to count the total number of 1's in the decimal form of the integers from 1 to N. F...
分类:其他好文   时间:2015-02-20 11:53:35    阅读次数:249
mysql很全的和完整的总结
(1)数据类型类型备注tinyint/smallint/mediumint/int/bigint1B/2B/3B/4B/8Bfloat/double单精度/双精度浮点型decimal不会产生精度丢失的单精度/双精度浮点型date日期类型time时间类型datetime/TimeStamp日期时间类型...
分类:数据库   时间:2015-02-18 22:06:29    阅读次数:358
Codeforces Round #292 (Div. 1)---A. Drazil and Factorial
Drazil is playing a math game with Varda.Let’s define for positive integer x as a product of factorials of its digits. For example, .First, they choose a decimal number a consisting of n digits that co...
分类:其他好文   时间:2015-02-18 13:02:15    阅读次数:103
C Language Study - 0 & '0' & '\0'
The difference of 0 & '0' & '\0' ------------------------------------------------------------ 0 is a number(decimal). ------------------------------------------------------------ '0' is a char. It...
分类:其他好文   时间:2015-02-18 11:52:47    阅读次数:104
Codeforces Round #292 Div1 A
Drazil is playing a math game with Varda. Let’s define for positive integer x as a product of factorials of its digits. For example, . First, they choose a decimal number a consisting of n digits that contain...
分类:其他好文   时间:2015-02-18 06:13:14    阅读次数:172
PAT1010. Radix
Given a pair of positive integers, for example, 6 and 110, can this equation 6 = 110 be true? The answer is "yes", if 6 is a decimal number and 110 is...
分类:其他好文   时间:2015-02-17 12:53:45    阅读次数:155
hdu 4734 数位dp
http://acm.hdu.edu.cn/showproblem.php?pid=4734 Problem Description For a decimal number x with n digits (AnAn-1An-2 ... A2A1), we define its weight as F(x) = An * 2n-1 + An-1 * 2n-2 + ... + A2...
分类:其他好文   时间:2015-02-16 23:30:52    阅读次数:352
【原创】leetCodeOj --- Fraction to Recurring Decimal 解题报告
原题地址:https://oj.leetcode.com/problems/repeated-dna-sequences/题目内容:All DNA is composed of a series of nucleotides abbreviated as A, C, G, and T, for ex...
分类:其他好文   时间:2015-02-15 11:53:05    阅读次数:232
Decimal Basic 学习笔记(1)
定义变量 LET a输入变量值 INPUT a INPUT a,b运算结果绝对值小于1前面的0省略,科学计数PRINT语句 数值直接写,字符串用“” 通过 分号; 和 逗号,来分隔显示两个项目 PRINT语句后自动换行,如不需要换行加; 插入独立的PRINT自动换行FOR…NEXT循环FOR ...
分类:其他好文   时间:2015-02-12 09:14:33    阅读次数:149
sql常用函数---持续更新
1.SQL SERVER中的FLOAT转换为VARCHARSELECT CAST(CAST(字段 AS DECIMAL(20,7)) AS VARCHAR(20)) FROM 要查的表或者 SELECT CONVERT(VARCHAR(20),CONVERT(DECIMAL(20,7),字段)) F...
分类:数据库   时间:2015-02-12 09:11:40    阅读次数:162
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