Description

Objective :
Learn to use if/else and switch statements to do decision making, then combine with for and while loops to perform some operations.
7.1
Write a program to input an integer n, then output all possible combinations of side lengths and count the number of these combinations, suppose second longest side is n and all three sides are different lengths.

input: 8
Output:

7.2
Write a program to use the rand() function to generate two matrices of size 3*3, then output these matrices and implement addition and subtraction operations.

Hint : random between 0 ~ 100.

Output :

Please note:: users of visual studio add the following code to your program’s beginning

繳交格式及規定 : 程式重點地方請加註解,給分也會酌量參考註解。
請繳交 .c 檔即可。
c 檔的檔名一律統一,以學號為檔名壓縮成一個以學號為名的壓縮檔
上傳,
上傳請一律繳交壓縮檔。

Example: 若學號為 B123456789, 則.c/.cpp 檔名為 B123456789.c , 而壓縮檔名為 B123456789.rar。
繳交期限 2023.11.09 (四) 09:00 分之前,逾期一律不收,
無輸入輸出及逾期者一律以 0 分計算。

作業請上傳中山網路大學 網大上傳方式:
1. 點選要繳交的作業,選擇「進行作業」。

2. 依照流程上傳檔案。