判断一个整数是否是回文数 注意点: 负数不是,因为多了一个负号 小心溢出,比较的时候不要将数字12345EDCBA变成ABCDE54321进行比较,而是将ABCDE5432和12345EDCB进行比较。 class Solution {public: bool isPalindrome(int x)...
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其他好文 时间:
2015-03-08 11:34:19
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129
uscdbmt@rac1:~> date +%s1414741902oracle中怎么把这个1414741902转换成正常时间格式select Numtodsinterval(1414741902+TO_NUMBER(SUBSTR(TZ_OFFSET(sessiontimezone), 1, 3))...
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其他好文 时间:
2015-03-07 22:27:54
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351
//再求第k大数时只需要getsum(b-1)
//b就是a的第k大数
//又gesum(b-1)
#include
#include
#include
using namespace std;
const int maxn=100010;
int tree[maxn];
int lowbit(int i)
{
return (i&(-i));
}
int get...
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编程语言 时间:
2015-03-07 18:45:35
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173
Given two sets of integers, the similarity of the sets is defined to be Nc/Nt*100%, where Nc is the number of distinct common numbers shared by the two sets,
and Nt is the total number of distinct n...
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其他好文 时间:
2015-03-07 17:13:09
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156
For any 4-digit integer except the ones with all the digits being the same, if we sort the digits in non-increasing order first, and then in non-decreasing order, a new number can be obtained by takin...
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其他好文 时间:
2015-03-07 17:11:22
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124
Given a non-negative number represented as an array of digits, plus one to the number.The digits are stored such that the most significant digit is at...
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其他好文 时间:
2015-03-07 16:58:09
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131
题意还是很简单的,我们可以用dfs穷举出所有可能的名字;重要的是查询名字是不是合法,开始的时候用的map,没想到超时了;于是后面用的字典树,其实应该也可以用二分进行查找。另外好像USACO对内存限制很严,数组不能开太大。代码如下:/*
ID: 15674811
LANG: C++
TASK: namenum
*/#include
#include
#include...
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其他好文 时间:
2015-03-07 15:42:22
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120
DescriptionYou haveNintegers,A1,A2, ... ,AN. You need to deal with two kinds of operations. One type of operation is to add some given number to each ...
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编程语言 时间:
2015-03-07 15:32:20
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217
欢迎大家阅读参考,如有错误或疑问请留言纠正,谢谢
Sum Root to Leaf Numbers
Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number.
An example is the root-to-leaf path 1...
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其他好文 时间:
2015-03-07 14:15:09
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118
Description描述You task is to find minimal natural number N, so that N! contains exactly Q zeroes on the trail in decimal notation. As you know N! = 1*2...
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其他好文 时间:
2015-03-07 14:03:59
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167