1、整理課件整理課件2021-12-272/26整理課件整理課件HIT-C Programming 2021-12-273/26整理課件整理課件HIT-C Programming 2021-12-274/26整理課件整理課件HIT-C Programming 并列的兩個函數并列的兩個函數其中主函數是其中主函數是程序的入口程序的入口程序注釋程序注釋編譯預處理命令編譯預處理命令2021-12-275/26整理課件整理課件HIT-C Programming 2021-12-276/26整理課件整理課件HIT-C Programming 2021-12-277/26整理課件整理課件HIT-C Progra

2、mming 長整型長整型無符號整型無符號整型 八進制八進制十六進制十六進制單精度實型單精度實型長雙精度實型長雙精度實型十進制小數十進制小數指數形式指數形式十進制十進制2021-12-278/26整理課件整理課件HIT-C Programming 2021-12-279/26整理課件整理課件HIT-C Programming 2021-12-2710/26整理課件整理課件HIT-C Programming 結果會是什么？結果會是什么？2021-12-2711/26整理課件整理課件HIT-C Programming 運算規則：運算規則： 語法：語法： 規則：規則： 左值和右值類型一致左值和右值類型

3、一致Valid Example:Invalid Example:int x; int y;x = 12;y = 5.75;2021-12-2712/26整理課件整理課件HIT-C Programming 2021-12-2713/26整理課件整理課件HIT-C Programming 數據類型數據類型基本類型基本類型構造類型構造類型指針類型指針類型無類型無類型整型整型實型（浮點型）實型（浮點型）字符型字符型枚舉類型枚舉類型數組類型數組類型結構體類型結構體類型共用體類型共用體類型單精度實型雙精度實型基本整型長整型短整型無符號整型長雙精度實型2021-12-2714/26整理課件整理課件HIT-C

4、 Programming 2021-12-2715/26整理課件整理課件HIT-C Programming 2021-12-2716/26整理課件整理課件HIT-C Programming 2021-12-2717/26整理課件整理課件HIT-C Programming 2021-12-2718/26整理課件整理課件HIT-C Programming 英文稱謂中文稱謂換算方法bit(b)位（比特）Byte(B)字節1 B = 8 bKilobyte(KB)K1 KB = 1,024 BMegabyte(MB)兆1 MB = 1,024 KBGigabyte(GB)G1 GB = 1,024 M

5、BTerabyte(TB)T1 TB = 1,024 GB2021-12-2719/26整理課件整理課件HIT-C Programming 2021-12-2720/26整理課件整理課件HIT-C Programming 2021-12-2721/26整理課件整理課件HIT-C Programming 2021-12-2722/26整理課件整理課件HIT-C Programming #include main()printf(Data type Number of bytesn);printf(- -n);printf(char %dn, sizeof(char);printf(int %dn, sizeof(int);printf(short int %dn, sizeof(short);printf(long int %dn, sizeof(long);printf(float %dn, sizeof(float);printf(double %dn, sizeof(double);2021-12-2723/26整理課件整理課件HIT-C Programming 2021-12-2724/26整理課件整理課件HIT-C Programming 2021-12-2725/26整理課件整理課件HIT-C Programming Example:int a, b;float x,