ctype_digit() 与 is_numeric() 的区别: ...
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Web程序 时间:
2017-06-13 16:52:21
阅读次数:
205
/// <summary> /// ConvertUtil 的摘要说明。 /// </summary> public class ConvertUtil { //将字节数组转化为字符串 public static string Byte2HEX(byte[] ibs) { char[] Digit ...
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其他好文 时间:
2017-06-07 12:41:11
阅读次数:
174
题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=1061 题目类型: 水题 题意概括: 求n的n次方的个位数。 解题思路: 因为N的范围太大,所以我通过对位数为1-9的数进行20次次方打表,发现他们的循环节不是4,就是4的因子,所以我对位数为1-9进行 ...
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Web程序 时间:
2017-06-04 21:29:36
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187
The fraction 49/98 is a curious fraction, as an inexperienced mathematician in attempting to simplify it may incorrectly believe that49/98 = 4/8, whic ...
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其他好文 时间:
2017-06-03 11:22:40
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178
In the square below, each row, each column and the two diagonals can be read as a five digit prime number. The rows are read from left to right. The c ...
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其他好文 时间:
2017-05-29 19:53:29
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197
Given a non-negative integer num, repeatedly add all its digits until the result has only one digit. For example: Given num = 38, the process is like: ...
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其他好文 时间:
2017-05-28 13:59:27
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184
const number =1000000; let str = number.toString();str.slice() <!-- let temp=number;let digit;let str='';let i = 0;do{ digit=temp%10; if(i%3==0){ str+ ...
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编程语言 时间:
2017-05-22 13:40:24
阅读次数:
136
题目473 题目信息 执行结果 本题排行 讨论区 A^B Problem 时间限制:1000 ms | 内存限制:65535 KB 难度:2 描写叙述Give you two numbers a and b,how to know the a^b's the last digit number.It ...
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其他好文 时间:
2017-05-21 11:50:15
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202
题目: Count the number of k's between 0 and n. k can be 0 - 9. Count the number of k's between 0 and n. k can be 0 - 9. Count the number of k's between ...
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其他好文 时间:
2017-05-20 00:06:40
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169
Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like on the telepho ...
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其他好文 时间:
2017-05-17 11:50:13
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188