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½ñÌì²Î¼Ó±ÊÊÔ,ÆäÖÐÓÐÁ½ÌâÊÇ·ÖÅäÄÚ´æµÄ,µÚÒ»ÌâÊǶ¯Ì¬·ÖÅäÒ»¸öһάÊý×é,µÚ¶þ¸öÌâÊǶ¯Ì¬·ÖÅäÒ»¸ö¶þάÊý×é.µÚÒ»ÌâºÍµÚ¶þÌâÎÒ·Ö±ðÊÇÕâÑùдµÄ:
/*µÚÒ»Ìâ*/
p=(float*)malloc(sizeof(float[M]));
/*µÚ¶þÌâ*/
p=(float*)malloc(sizeof(int[M][N]));
½á¹û˵ÎÒµÚ¶þÌâ´íÁË,ÎÒ»¹²»Ã÷°×´íÄÄÁË,ÎÒÓÖÎÊд³ÉM*N¶Ô²»,½á¹û»¹ÊÇ˵²»¶Ô.¸Õ²éÁËÒ»ÏÂ,¶þάÊý×éÓ¦¸Ã·Ö±ðµÚһάºÍµÚ¶þά·ÖÅä¿Õ¼ä,¶øÎÒÒ»´Î¾Í·ÖÅäÁË,ËùÒÔ´íÔÚÕâÀïÁË,ÕýÈ·µÄÓ¦¸ÃÕâÑù:
int i;
int **p;
p=(int*)malloc(sizeof(int)*M);/*¸øÐзÖÅä¿Õ¼ä*/
for(i=0;i<M;i++)
{
     p[i]=(int*)malloc(sizeof(int)*N);/*¸øÁзÖÅä¿Õ¼ä*/
}
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JavaºÍC++λÔËËã¶Ô±È

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C++³ÌÐò     swap(int a  ,int b){a^=b^=a^=b;}
JAVA³ÌÐò    swap(int a, int b){  a^=b;b^=a;a^=b; }»òÕß{ b^=(a^=b) ; a^=b;}
Èç¹ûJAVAÓÃC++µÄʵÏÖ·½Ê½Ôò»áµÃµ½ bµÃµ½ÁËaµÄÖµ£¬µ«ÊÇaÏÖÔÚµÄֵȴ² ......

VB/C++/C#´®¿ÚͨѶԴ´úÂ롾¸½ÏêϸעÊÍ¡¿


VB
    If MSComm1.PortOpen = True Then MSComm1.PortOpen = False
    MSComm1.CommPort = i1
    MSComm1.PortOpen = True
    MSComm1.InputMode = comInputModeBinary
    MSComm1.InBufferCount = 0
& ......

PythonǶÈëC++Ïê½â(3)

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»¹ÊÇÀ´¿´´úÂ룬дÍêÎÒ¾Í˯¾õÁË~
 
#include "python/python.h"
#include <iostream>
using namespace std;
int ......
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