DescriptionThe inversion number of a given
number sequence a1, a2, ..., an is the number of pairs (ai, aj) that satisfy i
aj.For a given sequence of ....
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其他好文 时间:
2014-05-05 11:42:13
阅读次数:
276
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:
2014-05-04 19:46:18
阅读次数:
372
Minimum Inversion Number Time Limit:1000MS Memory
Limit:32768KB 64bit IO Format:%I64d & %I64u Description The inversion number
of a given number seque...
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其他好文 时间:
2014-05-04 12:27:07
阅读次数:
349
题目描述:1038. Recover the Smallest Number
(30)Given a collection of number segments, you are supposed to recover the
smallest number from them. For examp...
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其他好文 时间:
2014-05-04 10:49:34
阅读次数:
308
给定一个数,求一个新数要大于等于这个数,而这个新数既要是palindromes回文又要是prime素数。
题目很简单,有人都使用取巧的方法保存好结果直接查表。
或者暴力法求解。
这里不使用保存表的方法,也不要用暴力法。- 这些方法都不好。
使用的技巧有:
1 而是使用next palindrome的技巧,只需要O(n),n是数位,可以认为是常数了。
2 判断素数的方法,时间效率是O(s...
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其他好文 时间:
2014-05-04 09:18:17
阅读次数:
334
Input
t – the number of numbers in list, then t lines follow [t
Each line contains one integer: N [0 N
Output
Output given numbers in non decreasing order.
Example
Input:
5
5
3
...
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其他好文 时间:
2014-05-04 00:04:09
阅读次数:
376
题目:
Given a string S and a string T, count the number of distinct subsequences of T in S.
A subsequence of a string is a new string which is formed from the original string by deleting some (c...
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其他好文 时间:
2014-05-03 21:48:19
阅读次数:
252
折腾了一个中午,在终端输入 vim myProgram
然后编辑以下内容
#!/bin/bash
clear
echo ""
echo "The Telephone Book"
echo ""
echo "1.Display A Telephone Number"
ehco "2.Add A New Telephone Number"
echo ""
echo "Q Quit"
ec...
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系统相关 时间:
2014-05-03 21:26:33
阅读次数:
483
Let's consider a triangle of numbers in which a number appears in the first line, two numbers appear in the second line, three in the third line, etc. Develop a program which will compute the largest ...
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其他好文 时间:
2014-05-03 17:32:22
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284
【题目】
Problem C
CALCULATOR CONUNDRUM
Alice got a hold of an old calculator that can display n digits. She was bored enough to come up with the following time waster.
She enters a number k t...
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其他好文 时间:
2014-05-03 15:37:03
阅读次数:
308