POJ:http://poj.org/
GZUOJ:http://210.40.17.235/
codeforces:http://codeforces.com/
计蒜客:https://nanti.jisuanke.com/acm
vjudge:https://vjudge.net/contest#category=mine&running=0&title=Gzu&owner=
PTA:https://pintia.cn/problem-sets?tab=0
CODEVS:http://login.codevs.com/auth/login
代码贴:https://paste.ubuntu.com/?tdsourcetag=s_pctim_aiomsg
北大ACM题目分类:http://exp-blog.com/2018/06/28/pid-38/
POJ题目分类:https://blog.csdn.net/a1dark/article/details/11714009
cplusplus:http://www.cplusplus.com/
下载Win10:https://www.microsoft.com/zh-cn/software-download/windows10?OCID=WIP_r_Win10_Body_AddPC
美化codeblock的主题和字体:https://blog.csdn.net/czg13548930186/article/details/75207913
codeblock官方配色方案:https://blog.csdn.net/gatieme/article/details/50847758?tdsourcetag=s_pctim_aiomsg
壁纸网站1:https://wallhalla.com/
壁纸网站2:https://alpha.wallhaven.cc/
小六子文库:http://www.xlzwk.com/
在线进制转换:http://tool.oschina.net/hexconvert/
BASE64加解密:https://base64.supfree.net/
Unicode编码转换:http://tool.chinaz.com/tools/unicode.aspx
在线Rabbit加密:https://www.sojson.com/encrypt_rabbit.html
CTF资源集:https://www.ctftools.com/down/?tdsourcetag=s_pctim_aiomsg
16进制到文本字符串的转换:http://www.bejson.com/convert/ox2str/
图片转BASE64:http://imgbase64.duoshitong.com/