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FILE* fp = fopen(”test.txt”, “r”); assert(fp); //´ò¿ªÎļþ£¬¸øÒ»¸ö¶ÏÑÔ£¬ÕâÊÇÒ»ÖÖºÃϰ¹ß
fseek(fp, 0, SEEK_END); //°ÑÆ«ÒÆÖ¸ÕëÖ¸ÏòÎļþµÄ½áβ
unsigned int nlen = ftell(fp); //·µ»Øµ±Ç°µÄÆ«ÒÆÖ¸Õ룬Ҳ¾ÍÊÇ·µ»Ø¸Õ¸ÕÉ趨µÄÎÄβλÖÃ
fseek(fp, 0, SEEK_SET); //°Ñ¶ÁÐ´Æ«ÒÆÖ¸ÕëÖ¸ÏòÎļþµÄ¿ªÍ·
char* const _psz = (char*)malloc(nlen + 1);
//ÉêÇëÒ»¶Î¶ÑÄڴ棬ÕâÀïµÄ_pszΪʲôҪ±»constÐÞÊÎÄØ£¿
unsigned int size = fread(_psz, sizeof(char), nlen, fp); //¶Á³öÎļþµÄÄÚÈÝ
_psz[size] = ‘\0′; //×¢Ò⣬±ØÐëÒªÔÚ×Ö·û´®µÄ½áβ´¦Ìí¼Ó½áÊø±êÖ¾£¬·ñÔò£¬ºßºß£¡
fclose(fp); //¹Ø±ÕÎļþ
…… //¶«¸ã¸ã£¬Î÷¸ã¸ã
free(_psz)£» //¹é»¹¶ÑÄÚ´æ
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FILE* fp = fopen(”test.exe”, “rb”); assert(fp);
µ±È»£¬¿ÉÖ´ÐÐÎļþÖ»²»¹ýÊǶþ½øÖÆÎļþµÄÒ»¸ö´ú±í£¬ÔÚʹÓöÁд±êÖ¾µÄʱºò£¬ÎÒÃÇÐèÒª”b”ºó׺£¬±íÃ÷´ò¿ªµÄÊǶþ½øÖƵÄÎļþ¡£Æäʵ£¬Õâ²»Êǹؼü£¬¶øÕýÕæ¹Ø¼üµÄ²¿·ÖÊǶÔÎļþµÄ¶Áд£¬Õâ·Ý´úÂëÓеãÈßÓ࣬µ«²»Ð´ÓÖŸøÈËÄÖ³öÇ¿ÆÈÖ¢¡£
fseek(fp, 0, SEEK_END); //»ñÈ¡Îļþ´óС
size_t nlen = ftell(fp);
fseek(fp, 0, SEEK_SET);
unsigned char* const _psz = (unsigned char*)malloc(nlen + 1);
//ÏÔÈ»£¬ÉêÇëµÄÄÚ´æÓ¦¸ÃÊÇBYTE¸ñʽ
fread(_psz, sizeof(unsigned char), nlen, fp); //ÓÉÓÚÊǶþ½øÖƵÄÎļþ£¬ÎÒÃDz»±ØÔÙ¶ÔÄÚ´æ×ö´¦Àí
fclose(fp);
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#include <stdio.h>
#include <string.h>
int
main(void)
{
char str[] =
"3BVPSq4xF.K?=u#,"
"G'K<MrDnRr7gH%#,"
"XKf<f%G`w^=?C<#,"
"HgU_AnNR?*PDQU#,"
......

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×ÜÊDZ»Í¬Ñ§ÃÇÎʵ½£¬ÈçºÎѧϰCºÍC++²Å²»Ã£È»£¬²Å²»ÊÇÂÒѧ£¬ÏëÁËһϣ¬ÕâÀï¸ø³öÒ»¸ö×ܵĻظ´¡£ 
' J$ |0 ?! p% w" t5 D6 D: c9 |0 B
¡¡¡¡Ò»¼ÒÖ®ÑÔ£¬»¶Ó­ÅÄש¹þ¡£ 
¡¡¡¡1¡¢¿ÉÒÔ¿¼ÂÇÏÈѧϰC. 
/ U$ X+ X/ P; Y ......

¶Á¡¶0 bug C/C++ÉÌÓù¤³ÌÖ®µÀ¡·——¼Ç¼1

Ò»¡¢³ÌÐòÕæÚÐ
1.³ÌÐò¾ÍÊÇ“°áÊý”
       ¶¯×÷£º¶ÁÈ¡——¼¼Êõ——д³ö£¨ÊäÈë——´¦Àí——Êä³ö£©
       Êý¾Ý½á¹¹¾ö¶¨Êý¾ÝÈçºÎ×éÖ¯£¬°á¶¯ÆðÀ´Ð§Âʽϸß
       Ëã·¨ÓïÑÔ¾ ......

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Õâ¶ÎÔ´ÂëÄÜÔÚlinuxÏÂÔËÐУ¡£¡£¡ ÄÜʶ±ðСÊý
#include<unistd.h>
#include<stdlib.h>
#include<stdio.h>
#include<string.h>
/*#define  NULL          0*/
/*    ×Ô¶¨Òå±äÁ¿      */
#define&n ......

SVD·Ö½âCʵÏÖ

int svd(int m,int n,int withu,int withv,double eps,double tol,
double *a, double *q, double *u, double *v, double *vt)
{

int i,j,k,l,l1,iter,retval;
double c,f,g,h,s,x,y,z;
double *e;

e = (double *)calloc(n,sizeof(double));

retval = 0;
/* Cop ......
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