Originally posted by holmescn at 2011-06-04 18:52:58:
ȷʵ£¬size_t×öΪsizeºÍindex¶¼ÊÇÓïÒåÃ÷È·µÄÀàÐÍ£¬µ«ËäÈ»ÄãÒª·µ»ØµÄÀàÐÍÊÇint£¬Èç¹û×öΪ±ê¼Ç£¬Ó¦¸ÃʹÓÃbool£¬¶øÄ㶼ÓÃsize_t£¬¾ÍÈÃÈ˸оõ£¬ÄãµÄÿ¸ö±äÁ¿¶¼ÊÇÒ»¸öindex¡£º¯Êý·µ»ØµÄÒ²ÊÇÒ»¸öindex¡£ËùÒÔ£¬Õâ²»ÊÇ ...

Originally posted by huycwork at 2011-06-02 22:34:29:
C++´úÂ룺
[code]
#include <iostream>
enum {BUFSZ = 10000};

size_t eular21(){
        size_t buf[BUFSZ];
        memset(buf, 0, sizeof buf);
        for(size_t i = 1; i < BUFSZ; ++i){
                for(size_t j = ...

Originally posted by dubo at 2011-06-04 14:55:25:
// play_time_calu.cpp : ¶¨Òå¿ØÖÆ̨ӦÓóÌÐòµÄÈë¿Úµã¡£
//

//#include "stdafx.h"

#include <stdio.h>
#include <math.h>
#include <time.h>

#define TIMERSTART cl ...

Originally posted by wangww2011 at 2011-06-05 14:38:57:
g++±àÒëͨ²»¹ý£¿
ÕÒ²»µ½memset£¿
ÎÒÓÃÌí¼ÓÁËstring.h£¬µ«ÊÇÓÐÎÊÌâ¡£

688528Â¥: Originally posted by libralibra at 2011-06-03 16:36:21
¿´±¿×¾µÄmatlab°É

function result = euler21()
tic;
result = [];
for i=1:10000
    if d(i)~=i && d(d(i))==i
        result = ;
    end
end
result = sum(unique(result));
toc;
end
...