Init

8.3/input_data

--200

8.3/output_data

-Hello, World -200      
-Error: It is negative

README.md

-# battle_c
-
-## Jangwon Lee - Team 1
-
-실전코딩2 실습
-
-## printf
-
-### stdio.h
-
-* stderr, stdout, stdin에 대해서 배움
\ No newline at end of file

three_files/func.c

-#include "func.h"
-
-int func1(int a)
-{
-	return (a * 10);
-}
-
-int func2(int a)
-{
-	return (a * 2);
-}
\ No newline at end of file

three_files/func.h

-#pragma once
-#define DF(a) ((a)*(a))
-extern int func1(int x);
\ No newline at end of file

three_files/main.c

-#include <stdio.h>
-#include "func.h"
-
-int func_name_or_id()
-{
-#ifdef PRINT_ID
-	printf("201920756");
-	return 0;
-#else
-	printf("");
-	return 1;
-#endif
-}
-
-int main()
-{
-	func_name_or_id();
-}