<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[darkbkc的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/darkbkc</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; darkbkc]]></copyright><item><title><![CDATA[判断浮点数是否相等]]></title><link>https://blog.youkuaiyun.com/darkbkc/article/details/61429639</link><guid>https://blog.youkuaiyun.com/darkbkc/article/details/61429639</guid><author>darkbkc</author><pubDate>Sat, 11 Mar 2017 21:44:40 +0800</pubDate><description><![CDATA[题目二
  下面的程序运行结果是什么？“！=”运算符表示“不相等”。提升：请上机实验，不要凭主观感觉回答。
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main()
{
    double i;
    for(i=0;i!=10;i+=0.1)
        printf("%.1f\n",i);
    ret]]></description><category></category></item><item><title><![CDATA[2-6 排列]]></title><link>https://blog.youkuaiyun.com/darkbkc/article/details/61429091</link><guid>https://blog.youkuaiyun.com/darkbkc/article/details/61429091</guid><author>darkbkc</author><pubDate>Sat, 11 Mar 2017 21:19:47 +0800</pubDate><description><![CDATA[用1,2,3,…,9组成3个三位数abc, def和ghi，每个数字恰好使用一次，要求abc:def:ghi = 1:2:3。按照”abc def ghi”的格式输出所有解，每行一个解。提示：不必太动脑筋。    //2-6 version 1  
    #include <stdio.h>  
    #include <string.h>  
    int main()  
    {]]></description><category></category></item><item><title><![CDATA[2-5 分数化小数]]></title><link>https://blog.youkuaiyun.com/darkbkc/article/details/61423001</link><guid>https://blog.youkuaiyun.com/darkbkc/article/details/61423001</guid><author>darkbkc</author><pubDate>Sat, 11 Mar 2017 18:30:08 +0800</pubDate><description><![CDATA[分数化小数题目
  输入正整数a，b，c，输出a/b的小数形式，精确到小数点后c位。a，b≤10^6，c≤100.输入包含多组数据，结束标记为a=b=c=0
样例输入： 
>
  1 6 4 
  0 0 0
样例输出：
  Case 1: 0.1667
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <time.h]]></description><category></category></item><item><title><![CDATA[子序列的和]]></title><link>https://blog.youkuaiyun.com/darkbkc/article/details/61422159</link><guid>https://blog.youkuaiyun.com/darkbkc/article/details/61422159</guid><author>darkbkc</author><pubDate>Sat, 11 Mar 2017 17:56:53 +0800</pubDate><description><![CDATA[子序列的和题目 
输入两个小于10^6的正整数n，m，输出1/n^2+1/(n+1)^2+…+1/m^2，保留5位小数。输入包含多组数据，结束标记为n=m=0样例输入：
  2 4 
  65536 655360 
  0 0
样例输出
  Case 1: 0.42361 
  Case 2: 0.00001
为了避免n^2溢出，用浮点数记录1/n，再平方，而不是记录n^2，再求1/n^2。代码如下]]></description><category></category></item><item><title><![CDATA[C语言打印倒三角形]]></title><link>https://blog.youkuaiyun.com/darkbkc/article/details/61421278</link><guid>https://blog.youkuaiyun.com/darkbkc/article/details/61421278</guid><author>darkbkc</author><pubDate>Sat, 11 Mar 2017 17:18:40 +0800</pubDate><description><![CDATA[C语言打印倒三角形输入正整数n<=20,输出一个n层的倒三角形。#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>/*
int main()
{
    int num,count2;
    char triangle[40];    while(scanf("%d",&num)==1){]]></description><category></category></item><item><title><![CDATA[韩信点兵]]></title><link>https://blog.youkuaiyun.com/darkbkc/article/details/61419032</link><guid>https://blog.youkuaiyun.com/darkbkc/article/details/61419032</guid><author>darkbkc</author><pubDate>Sat, 11 Mar 2017 15:45:10 +0800</pubDate><description><![CDATA[韩信点兵]]></description><category></category></item></channel></rss>