Merge branch 'master' of https://git.ajou.ac.kr/LEE/battle_c

README.md

+# battle_c
+
+## Sangkyeong Lee - Team 4
+
+실전코딩2 실습
+
+## printf
+
+### stdio.h
+
+redirection stderr, stdout, stdin에 대해서 배웠음
\ No newline at end of file

gitignore

+*.exe

hello.c

+#include <stdio.h>
+
+int main() {
+	int a;
+	fscanf(stdin, "%d", &a);
+	if (a > 0)
+		fprintf(stderr, "Error: it is positive\n");
+	else
+		fprintf(stderr, "Error: it is negative\n");
+	fprintf(stdout, "Hello World %-10d\n", a);
+
+}
+

input_data

+Hello World 100       

output_data

+Hello World 100       

stderr.txt

+Error: it is positive

stdout.txt

+Hello World 100       

three_files @ 4907bef7

+Subproject commit 4907bef7de34fa54a0b3bba6cb93e78a6cc32d2d