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實現c語言動態數組,實現矩陣相乘,實現了文件讀寫

代碼片段和文件信息
#include?
#include?
#include?
#include?“function.h“
int?main()
{
/////////////////////system?initialization///////////////////////////////////////
int?mnk;
FILE?*fp*fp1*fp2;?????????//*fp1*fp2?for?reading?in1.file\in2.file??#fp2?for?writing?out.file
char?ch;
////////////////////initialize?mn///////////////////////////////////////
fp=fopen(“in1.file““r“);
if(fp==NULL)
{
printf(“error?load?in1.file“);
}
ch=fgetc(fp);
m=ch-‘0‘;
ch=fgetc(fp);
ch=fgetc(fp);
n=ch-‘0‘;
////////////////////initialize?nk///////////////////////////////////////
fp1=fopen(“in2.file““r“);
if(fp1==NULL)
{
printf(“error?load?in2.file“);
}
ch=fgetc(fp1);
n=ch-‘0‘;
ch=fgetc(fp1);
ch=fgetc(fp1);
k=ch-‘0‘;
/////////////////////allocate?dynamic?array///////////////////////////////////////
int?**a;
int?i;
a?=?(int?**)malloc(sizeof(int?*)?*?m);????????//分配指針數組
a[0]?=?(int?*)malloc(sizeof(int)?*?m?*?n);????//一次性分配所有空間
for(i=1;?i {
a[i]?=?a[i-1]?+?n;
}
int?**b;
int?j;
b?=?(int?**)malloc(sizeof(int?*)?*?n);???????//分配指針數組
b[0]?=?(int?*)malloc(sizeof(int)?*?n?*?k);??//一次性分配所有空間
for(j=1;?j {
b[j]?=?b[j-1]?+?k;
}
int?**c;
int?q;
c?=?(int?**)malloc(sizeof(int?*)?*?m);???????//分配指針數組
c[0]?=?(int?*)malloc(sizeof(int)?*?m?*?k);??//一次性分配所有空間
for(q=1;?q {
c[q]?=?c[q-1]?+?k;
}
////////////////////initialize?a[][]///////////////////////////////////////
ch=fgetc(fp);
while(ch!=EOF)
{
for(int?tmp1=0;tmp1 {
for(int?tmp2=0;tmp2 {
ch=fgetc(fp);
???? *(*(a+tmp1)+tmp2)=ch-‘0‘;
ch=fgetc(fp);
}
}
}
fclose(fp);
????////////////////////??initialize?b[][]///////////////////////////////////////
ch=fgetc(fp1);
while(ch!=EOF)
{
for(int?tmp1=0;tmp1 {
for(int?tmp2=0;tmp2 {
ch=fgetc(fp1);
???? *(*(b+tmp1)+tmp2)=ch-‘0‘;
ch=fgetc(fp1);
}
}
}
fclose(fp1);
????////////////////////execute?function.cpp////////////////////////////////////
c=matrixmulti(mnkabc);
///////////////////write?out.file//////////////////////////////////////////
fp2=fopen(“out.file““w“);
if(fp2==NULL)
{
printf(“error?load?out.file“);
}
for(int?tmp1=0;tmp1 {
for(int?tmp2=0;tmp2 {
ch=*(*(c+tmp1)+tmp2)+‘0‘;
fputc(chfp2);
ch=‘?‘;
fputc(chfp2);
}
ch=‘\n‘;
fputc(chfp2);
}
fclose(fp2);
////////////////////free?allocated?dynamic?arrays///////////////////////////
free(a[0]);
free(a);
free(b[0]);
free(b);
getchar();
}
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????2685??2012-05-27?11:19??darray\darray\daaray.cpp
?????文件???????3335??2012-05-27?10:11??darray\darray\darray.vcxproj
?????文件???????1178??2012-05-27?10:11??darray\darray\darray.vcxproj.filters
?????文件????????143??2012-05-27?08:47??darray\darray\darray.vcxproj.user
?????文件???????1086??2012-05-27?11:21??darray\darray\Debug\cl.command.1.tlog
?????文件???????2218??2012-05-27?11:21??darray\darray\Debug\CL.read.1.tlog
?????文件???????1010??2012-05-27?11:21??darray\darray\Debug\CL.write.1.tlog
?????文件??????10583??2012-05-27?11:20??darray\darray\Debug\daaray.obj
?????文件????????381??2012-05-27?11:21??darray\darray\Debug\darray.exe.intermediate.manifest
?????文件?????????54??2012-05-27?11:21??darray\darray\Debug\darray.lastbuildstate
?????文件???????1867??2012-05-27?11:21??darray\darray\Debug\darray.log
?????文件????????691??2012-05-27?08:48??darray\darray\Debug\darray.vcxprojResolveAssemblyReference.cache
?????文件??????????0??2012-05-27?08:48??darray\darray\Debug\darray.write.1.tlog
?????文件???????5080??2012-05-27?11:21??darray\darray\Debug\function.obj
?????文件???????2400??2012-05-27?11:21??darray\darray\Debug\li
?????文件???????2610??2012-05-27?11:21??darray\darray\Debug\li
?????文件????????632??2012-05-27?11:21??darray\darray\Debug\li
?????文件????????416??2012-05-27?11:21??darray\darray\Debug\mt.command.1.tlog
?????文件????????602??2012-05-27?11:21??darray\darray\Debug\mt.read.1.tlog
?????文件????????242??2012-05-27?11:21??darray\darray\Debug\mt.write.1.tlog
?????文件??????52224??2012-05-27?11:21??darray\darray\Debug\vc100.idb
?????文件??????61440??2012-05-27?11:21??darray\darray\Debug\vc100.pdb
?????文件????????486??2012-05-27?11:21??darray\darray\function.cpp
?????文件????????116??2012-05-27?10:27??darray\darray\function.h
?????文件?????????21??2012-05-27?09:43??darray\darray\in1.file
?????文件??????????9??2012-05-27?09:51??darray\darray\in2.file
?????文件???????2685??2012-05-27?11:21??darray\darray\main.c
?????文件?????????12??2012-05-27?11:21??darray\darray\out.file
?????文件????1986560??2012-05-27?11:23??darray\darray.sdf
?????文件????????885??2012-05-27?08:48??darray\darray.sln
............此處省略14個文件信息
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