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pythonË㷨ʵ¼ù6 ¶ÑÅÅÐò

#¶ÑÅÅÐò
def Heapify(mylist, start, end):
left = 0
right = 0
maxv = 0
left = start * 2
right = start * 2 + 1
while left <= end:
maxv = left
if right <= end:
if mylist[left] < mylist[right]:
maxv = right
else:
maxv = left
if mylist[start] < mylist[maxv]:
tmp = mylist[maxv]
mylist[maxv] = mylist[start]
mylist[start] = tmp
start = maxv
else:
break
left = start * 2
right = start * 2 + 1

def BuildHeap(mylist):
size = len(mylist)
i = (size -1) // 2;
while i >= 0:
Heapify(mylist, i, size - 1)
i = i - 1

def HeapSort(mylist):
BuildHeap(mylist)
i = len(mylist) - 1

while i >= 0:
tmp = mylist[0]
mylist[0] = mylist[i]
mylist[i] = tmp

Heapify(mylist, 0, i - ......

python,c++,C#Ëæ»úÊýÉú³É

ÏÈ˵python
pythonµÄrandomÄ£¿éÌṩÁ˶à¸öÎ±Ëæ»úÊý·¢ÉúÆ÷£¬Ä¬È϶¼ÊÇÓõ±Ç°Ê±¼ä´ÁÎªËæ»úÊýÖÖ×Ó¡£
ÏÂÃæÊǸÃÄ£¿é¼¸¸ö×î³£Óõĺ¯Êý
random() Return the next random floating point number in the range [0.0, 1.0). 
randint(a,b) Return a random integer N such that a <=
N <= b
randrange([start,]stop[,step]) Return a randomly selected element from range(start,
stop, step).
sample(seq,k) Return k length list of unique elements chosen from the sequence seq(´ÓÐòÁÐÖÐÈ¡³ök¸ö²»Öظ´µÄÖµ£¬ÓÃÆðÀ´·½±ã)
uniform(a,b) Return a random real number N such that a<=N<b
choice(seq) Return a random element from the NONE-empty sequence seq,if seq is empty,raises indexerror
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import random
random.random()
random.randint(0, 1)
random.choice('abcdefghij')
random.uniform(1, 3)
random.sample([1, 2, 3, 4, 5, 6, 7, 8, 9], 5)
......

python,c++,C#Ëæ»úÊýÉú³É

ÏÈ˵python
pythonµÄrandomÄ£¿éÌṩÁ˶à¸öÎ±Ëæ»úÊý·¢ÉúÆ÷£¬Ä¬È϶¼ÊÇÓõ±Ç°Ê±¼ä´ÁÎªËæ»úÊýÖÖ×Ó¡£
ÏÂÃæÊǸÃÄ£¿é¼¸¸ö×î³£Óõĺ¯Êý
random() Return the next random floating point number in the range [0.0, 1.0). 
randint(a,b) Return a random integer N such that a <=
N <= b
randrange([start,]stop[,step]) Return a randomly selected element from range(start,
stop, step).
sample(seq,k) Return k length list of unique elements chosen from the sequence seq(´ÓÐòÁÐÖÐÈ¡³ök¸ö²»Öظ´µÄÖµ£¬ÓÃÆðÀ´·½±ã)
uniform(a,b) Return a random real number N such that a<=N<b
choice(seq) Return a random element from the NONE-empty sequence seq,if seq is empty,raises indexerror
seed([x]) ÉèÖÃËæ»úÊý·¢ÉúÆ÷µÄÖÖ×ÓÖµ£¬Ä¬ÈÏÒÔϵͳʱ¼äΪÖÖ×Ó£¬¾«¶ÈÓ¦¸ÃºÜ¸ß¡£
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import random
random.random()
random.randint(0, 1)
random.choice('abcdefghij')
random.uniform(1, 3)
random.sample([1, 2, 3, 4, 5, 6, 7, 8, 9], 5)
......

python,c++,C#Ëæ»úÊýÉú³É

ÏÈ˵python
pythonµÄrandomÄ£¿éÌṩÁ˶à¸öÎ±Ëæ»úÊý·¢ÉúÆ÷£¬Ä¬È϶¼ÊÇÓõ±Ç°Ê±¼ä´ÁÎªËæ»úÊýÖÖ×Ó¡£
ÏÂÃæÊǸÃÄ£¿é¼¸¸ö×î³£Óõĺ¯Êý
random() Return the next random floating point number in the range [0.0, 1.0). 
randint(a,b) Return a random integer N such that a <=
N <= b
randrange([start,]stop[,step]) Return a randomly selected element from range(start,
stop, step).
sample(seq,k) Return k length list of unique elements chosen from the sequence seq(´ÓÐòÁÐÖÐÈ¡³ök¸ö²»Öظ´µÄÖµ£¬ÓÃÆðÀ´·½±ã)
uniform(a,b) Return a random real number N such that a<=N<b
choice(seq) Return a random element from the NONE-empty sequence seq,if seq is empty,raises indexerror
seed([x]) ÉèÖÃËæ»úÊý·¢ÉúÆ÷µÄÖÖ×ÓÖµ£¬Ä¬ÈÏÒÔϵͳʱ¼äΪÖÖ×Ó£¬¾«¶ÈÓ¦¸ÃºÜ¸ß¡£
mark:pythonµÄrandomÄ£¿é»¹ÌṩÁ˸ß˹·Ö²¼£¬ÕýÌ«·Ö²¼£¬beta·Ö²¼µÈµÄËæ»úÊýÉú³É¡£
import random
random.random()
random.randint(0, 1)
random.choice('abcdefghij')
random.uniform(1, 3)
random.sample([1, 2, 3, 4, 5, 6, 7, 8, 9], 5)
......

python,c++,C#Ëæ»úÊýÉú³É

ÏÈ˵python
pythonµÄrandomÄ£¿éÌṩÁ˶à¸öÎ±Ëæ»úÊý·¢ÉúÆ÷£¬Ä¬È϶¼ÊÇÓõ±Ç°Ê±¼ä´ÁÎªËæ»úÊýÖÖ×Ó¡£
ÏÂÃæÊǸÃÄ£¿é¼¸¸ö×î³£Óõĺ¯Êý
random() Return the next random floating point number in the range [0.0, 1.0). 
randint(a,b) Return a random integer N such that a <=
N <= b
randrange([start,]stop[,step]) Return a randomly selected element from range(start,
stop, step).
sample(seq,k) Return k length list of unique elements chosen from the sequence seq(´ÓÐòÁÐÖÐÈ¡³ök¸ö²»Öظ´µÄÖµ£¬ÓÃÆðÀ´·½±ã)
uniform(a,b) Return a random real number N such that a<=N<b
choice(seq) Return a random element from the NONE-empty sequence seq,if seq is empty,raises indexerror
seed([x]) ÉèÖÃËæ»úÊý·¢ÉúÆ÷µÄÖÖ×ÓÖµ£¬Ä¬ÈÏÒÔϵͳʱ¼äΪÖÖ×Ó£¬¾«¶ÈÓ¦¸ÃºÜ¸ß¡£
mark:pythonµÄrandomÄ£¿é»¹ÌṩÁ˸ß˹·Ö²¼£¬ÕýÌ«·Ö²¼£¬beta·Ö²¼µÈµÄËæ»úÊýÉú³É¡£
import random
random.random()
random.randint(0, 1)
random.choice('abcdefghij')
random.uniform(1, 3)
random.sample([1, 2, 3, 4, 5, 6, 7, 8, 9], 5)
......

pythonË㷨ʵ¼ù7 ¹é²¢ÅÅÐò

def MergeSort(mylist, low, mid, high):
i = low
j = mid + 1
tmp = []

while i <= mid and j <= high:
if mylist[i] <= mylist[j]:
tmp.append(mylist[i])
i = i + 1
else:
tmp.append(mylist[j])
j = j + 1

while i <= mid:
tmp.append(mylist[i])
i = i + 1
while j <= high:
tmp.append(mylist[j])
j = j + 1
for k in range(low, high):
mylist[k] = tmp[k]

mylist0 = [1, 3, 5, 7, 9, 11, 6, 8, 66, 88, 100]
MergeSort(mylist0, 0, 5, len(mylist0) - 1)
print(mylist0)
......

pythonÀý×Ó

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Ó¦¸ÃÓÐʲôÈí¼þ¿ÉÒÔÍê³ÉÕâ¸ö¼òµ¥µÄÒªÇ󣬿ÉÊÇһʱ¼äµ½ÄÄÀïÈ¥ÕÒÕâ ÑùÒ»¸ö·ûºÏÒªÇóµÄÈí¼þÄØ£¿×ܲ»ÄÜÊÖ¹¤Íê³É°Ñ¡£ÔÚLinuxÉÏÓÃÇ¿´óµÄshell½Å±¾Ó¦¸ÃÒ²¿ÉÒÔÍê³É£¬¿ÉÊÇʹÓÃWindowsµÄÅóÓÑÄØ£¿ÆäʵÏóÕâÑùÒ»¸ö¼òµ¥ ÈÎÎñÓÃPythonÕâ¸öÇ¿´ó½Å±¾ÓïÑÔÖ»Òª¼¸ÌõÓï¾ä¾Í¿ÉÒԸ㶨ÁË¡£¸ö´ó¼ÒÖªµÀ£¬ÒªÍê³ÉÕâÑùÒ»¸öÈÎÎñ¸ù±¾²»Óö¯ÓÃC/C++»òJavaÕâÑùµÄ´ó¼Ò»ï¡£
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# --- picknames.py ---
import os
filenames=os.listdir(os.getcwd())
for name in filenames:
     filenames[filenames.index(name)]=name[:-3]
out=open('names.txt','w')
for name in filenames:
     out.write(name+'\n')
out.close()
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# --- picknames.py --- ÊÇ×¢ÊÍÐУ¬PythonÊÇÓÃ#×÷ΪעÊÍ·ûµÄ£¬Ã¿ÐÐ×¢Ê͵ĿªÊ¼¶¼ÒªÌí¼Ó¡£PythonµÄÔ´´úÂëÊÇÒ»À©Õ¹Ãûpy½áβµÄ¡£
import osºÍÆäËû´ó¶àÊýÓïÑÔÒ»Ñù£¬µ¼ÈëosÕâ¸öº¯Êý¿â£¬ÔÚPythonµÄÊõÓïÀï ......

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API¡¢DAO¡¢RDO¶¼ÒªÈÝÒ×ʹÓ㬲¢²»Ê§Áé»îÐÔ¡£±¾ÎÄÏêϸµØ½éÉÜÔÚVisual C++¿ª·¢»·¾³ÏÂÈçºÎʹÓÃADOÀ´½øÐÐÊý¾Ý¿âÓ¦ÓÃ
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¡¡¡¡£¨1£©³õʼ»¯COM¿â£¬ÒýÈëADO¿â¶¨ÒåÎļþ
¡¡¡¡£¨2£©ÓÃConnection¶ÔÏóÁ¬½ÓÊý¾Ý¿â
¡¡¡¡£¨3£©ÀûÓý¨Á¢ºÃµÄÁ¬½Ó£¬Í¨¹ýConnection¡¢Command¶ÔÏóÖ´ÐÐSQLÃüÁ»òÀûÓÃ
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Object)ÊÇMicrosoftÊý¾Ý¿âÓ¦ÓóÌÐò¿ª·¢µÄнӿڣ¬Êǽ¨Á¢ÔÚOLE DBÖ®Éϵĸ߲ãÊý¾Ý¿â·ÃÎʼ¼Êõ£¬¼´Ê¹Äã¶ÔOLE
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¡¡¡¡£¨3£©ÀûÓý¨Á¢ºÃµÄÁ¬½Ó£¬Í¨¹ýConnection¡¢Command¶ÔÏóÖ´ÐÐSQLÃüÁ»òÀûÓÃ
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Delphi ˫ɫÇò·ÖÎöÈí¼þ(1)

ÓÐÒ»¶Îʱ¼äûÕý¾­µÄÓÃdelphiÁË£¬Ç°Á½ÌìÏÂÔØÁËDelphi2010£¬ÓÃËüÀ´ÕÒÕÒDelphiµÄ¸Ð¾õ£¬°ÑдµÄһЩ¶«Î÷¹²Ïí³öÀ´£¬´ó¼Ò¹²Í¬Ñ§Ï°Ò»Ï£¬ºÇºÇ¡£
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{¹¤¾ßÀ൥Ԫ£¬°üÀ¨Ò»Ð©Óõ½µÄ¸¨ÖúÀඨÒå}
unit uCustomUtils;
interface
uses
  Classes;
type
  TLottery = packed record
   {ºìÇò¼¯ºÏ}
    RedBalls: TStringList;
    {ÀºÇò}
    BlueBall: string;
    {¿ª½±ÆÚºÅ}
    Period: string;
    {¿ª½±Ê±¼ä}
    Time: string;
    {ÆæÅ¼Êý±È}
    OddEvenCompare: string;
    {´óС±È}
    BigSmallCompare: string;
    {ºÍÖµ}
    Sum: string;
  end;
  pLottery = ^TLottery;
implementa ......
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