https://www.cs.usfca.edu/~galles/visualization/BPlusTree.html

https://www.cs.usfca.edu/~galles/visualization/BTree.html

참조 : https://down-develope.tistory.com/5?category=993011

환경)

Ubuntu 22 LTS

Docker 20.10.16

Terminal> git clone -b 2.0 https://github.com/QingdaoU/OnlineJudgeDeploy.git

Terminal> cd OnlineJudgeDeploy

Terminal> sudo docker-compose up -d
# 처음 실행시 아래와 같은 오류가 몇 번 뜰 수 있는데, 반복 실행하면 됨.
# ERROR: Head "https://registry.cn-hangzhou.aliyuncs.com/v2/onlinejudge/judge_server/manifests/latest": Get "https://dockerauth.cn-hangzhou.aliyuncs.com/auth?scope=repository%3Aonlinejudge%2Fjudge_server%3Apull&service=registry.aliyuncs.com%3Acn-hangzhou%3A26842": net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)

Terminal> sudo docker-compose ps

Terminal> sudo docker ps -a

Browser> http://localhost, root / rootroot 로 로그인

Browser.Dashboard> 상단메뉴.우측계정.Management

Browser.Management> 왼쪽Menu.Problem.CreateProblem.Create

Display ID : 0001
Title : A + B
Description : A B -> A+B
Input Description : A B
Output Description : A + B
TestCase : myname.zip 업로드

                     ㄴ       1.in   : 111 222
                     ㄴ       1.out  : 333
                     ㄴ       2.in   : 1111 2222
                     ㄴ       2.out  : 3333
Save

Browser.Dashboard> 상단메뉴.Problems.Language=C++
#include <iostream>

using namespace std;

int main(void)
{
  int a, b; 
  cin >> a >> b;
  cout << a + b;
  return 0;
}

Submit 클릭

[ 소스 수정 ]

Terminal> sudo apt install git
Terminal> git clone https://github.com/QingdaoU/OnlineJudgeFE
Terminal> cd OnlineJudgeFE
Terminal> sudo apt install npm
Terminal> npm install
Terminal> export NODE_ENV=development
Terminal> npm run build:dll
Terminal> export TARGET=http://192.168.202.136/
Terminal> npm run dev
Browser> http://192.168.202.136:8080

Terminal> vi src/pages/oj/App.vue # Powered by 같은 텍스트를 아무렇게나 바꿔본다.
Terminal> npm run dev
Browser> http://192.168.202.136:8080 # 바뀌었는지 확인해본다.

# 참조 : http://www.secmem.org/blog/2019/10/21/Judge-Server/

# 참조 : https://opensource.qduoj.com/#/judger/api

환경)

Ubuntu 22 LTS

Docker 20.10.16

설치)

$ sudo apt-get update
$ sudo apt-get install libseccomp-dev
$ sudo apt-get install gcc
$ sudo apt-get install cmake
$ sudo apt-get install git

$ git clone https://github.com/QingdaoU/Judger.git
$ cd ./Judger
$ mkdir build && cd build && cmake .. 

### make 시 src/argtable3.c:4406:11: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=] 4406 |     *dest = 0;
### CMakeFiles/libjudger.so.dir/flags.make 을 아래처럼 수정
### C_FLAGS = -g -Wall -Werror -O3 -std=c99 -pie -fPIC --warn-stringop-overflow=0 
$ make && sudo make install

### 참조 : https://opensource.qduoj.com/#/judger/api
$./libjudger.so --help

실행예제 )
$ output/libjudger.so --max_cpu_time=1000 --max_real_time=2000 --max_memory=536870912 --max_process_number=200 --max_output_size=16384 --exe_path="/home/Desktop/tester/test.o" --input_path="/home/Desktop/tester/input.txt" --output_path="/home/Desktop/tester/output.txt" --error_path="/home/Desktop/tester/error.txt" --uid=0 --gid=0 --seccomp_rule_name="c_cpp"
{
    "cpu_time": 0,
    "real_time": 0,
    "memory": 0,
    "signal": 0,
    "exit_code": 0,
    "error": -5,
    "result": 0
}

sudo chmod 555 /usr/lib/judger/libjudger.so

cd Judger/bindings/Python
sudo python3 setup.py install

cd Judger/demo
sudo python3 demo.py
{'cpu_time': 0, 'real_time': 0, 'memory': 0, 'signal': 0, 'exit_code': 0, 'error': -5, 'result': 0}

참조 ) https://www.cnblogs.com/FengZeng666/p/15989106.html

기본설치방법

wget  https://mirror.bjtu.edu.cn/gnu/libc/glibc-2.28.tar.xz

tar -xf glibc-2.28.tar.xz -C /usr/local/

cd /usr/local/glibc-2.28/

mkdir build

cd build/

../configure --prefix=/usr/local/glibc-2.28

오류날때 glibc 오류날때

yum install gcc -y

yum -y install centos-release-scl

yum -y install devtoolset-8-gcc devtoolset-8-gcc-c++ devtoolset-8-binutils

scl enable devtoolset-8 bash

echo "source /opt/rh/devtoolset-8/enable" >>/etc/profile

wget http://ftp.gnu.org/gnu/make/make-4.2.tar.gz

tar -xzvf make-4.2.tar.gz

cd make-4.2

sudo ./configure

sudo make

sudo make install

sudo rm -rf /usr/bin/make

sudo cp ./make /usr/bin/

make -v

wget  https://mirror.bjtu.edu.cn/gnu/libc/glibc-2.28.tar.xz

tar -xf glibc-2.28.tar.xz -C /usr/local

cd /usr/local/glibc-2.28/

mkdir build

cd build/

yum install -y bison

sudo ../configure --prefix=/usr --disable-profile --enable-add-ons --with-headers=/usr/include --with-binutils=/usr/bin

make  //make 运行时间较长，可能会有半小时

make install

strings /lib64/libc.so.6 |grep GLIBC