set up the file structure

checker/CMakeLists.txt

@@ -2,4 +2,5 @@ set(PROJECT_NAME ${CMAKE_PROJECT_NAME})
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_FLAGS "-g -O2")
 include_directories(${CMAKE_CURRENT_SOURCE_DIR}/sqlite-amalgamation-3430200)
-add_executable(casemanager casemanager.cpp sqlite-amalgamation-3430200/sqlite3.c)
+add_executable(casemanager casemanager.cpp sqlite-amalgamation-3430200/sqlite3.c)
+add_executable(judger judger.cpp)

checker/casemanager.cpp

@@ -1,5 +1,12 @@
+/**
+ * @file casemanager.cpp
+ *
+ * @brief this is the casemanager of ICPC-Management-System to manage the test
+ * cases.
+ */
 #include <sqlite3.h>
 #include <stdio.h>
+#include <unistd.h>
 
 static int callback(void *NotUsed, int argc, char **argv, char **azColName) {
   int i;

checker/judger.cpp

@@ -0,0 +1,8 @@
+/**
+ * @file judger.cpp
+ * 
+ * @brief this is the judger of ICPC-Management-System to test the code.
+*/
+int main(int argc,char* argv[]){
+	return 0;
+}