1 files changed, 53 insertions, 0 deletions
diff --git a/rush/minus_str.c b/rush/minus_str.c
new file mode 100644
index 0000000..773d277
--- /dev/null
+++ b/rush/minus_str.c
@@ -0,0 +1,53 @@
+#include <unistd.h>
+
+void	minus_str(int str[])
+{
+	int	i;
+	i = 0;
+	while (i < 16)
+	{
+		str[i] = str[i] - 1;
+		if(str[i] < 0)
+		{
+			str[i] = str[i] + 4;
+		}
+		else if(str[i] > 4)
+		{
+			str[i] = str[i] - 4;
+		}
+		i++;
+	}
+}
+
+void	ft_putchar(char c)
+{
+	write(1, &c ,1);
+}
+
+void	putstr(int	str [])
+{
+	int	i;
+	i = 0;
+	while (i < 16)
+	{
+		ft_putchar(str[i] + '0');
+		i++;
+	}
+}
+
+int	main(void)
+{
+	int	str[16] = {3, 3, 1, 2, 1, 2, 2, 3, 2, 3, 2, 1, 2, 1, 2, 3};
+
+	putstr(str);
+	ft_putchar('\n');
+	
+	minus_str(str);
+	putstr(str);
+	ft_putchar('\n');
+
+	minus_str(str);
+	putstr(str);
+	ft_putchar('\n');
+
+}
+\ No newline at end of file