Originally posted by holmescn at 2011-06-04 18:52:58:
确实，size_t做为size和index都是语义明确的类型，但虽然你要返回的类型是int，如果做为标记，应该使用bool，而你都用size_t，就让人感觉，你的每个变量都是一个index。函数返回的也是一个index。所以，这不是 ...

Originally posted by huycwork at 2011-06-02 22:34:29:
C++代码：
[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 : 定义控制台应用程序的入口点。
//

//#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++编译通不过？
找不到memset？
我用添加了string.h，但是有问题。

688528楼: Originally posted by libralibra at 2011-06-03 16:36:21
看笨拙的matlab吧

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
...