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寫一個程式讀入四個整數a,b,c,d. 計算以(a,b)及(c,d)為兩對角頂點的長方形面積. 若(a,b)及(c,d)是水平或是垂直物共線則面積為0.

Sample Input:

-1 5 6 -3

Sample Output:

56

 

參考書籍:由片語學習C程式設計
[Normal] Coding (C) - asked in Introduction to Computer Programming I (C) by (20.9k points)
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#include <stdio.h>
#include <stdlib.h>

int main()
{
* * * *** ** * ** *** a1,b1,a2,b2,s;
** * * * * ** ** **** * * * * * ** *** **
** * ** * *** ** * * ** * ** ******** * **
* * * * *** ** ** * **** * ***
* * * * * * * ** * ** **** *
* ** **** * ** ** ** ** ***
** ** * * ** *** **** ** *
* **** * * ** ***** ** * * ** ** * *
** * * *** * * ** * * ** 0;
}
answered by (466 points)
0 0
Case 0: Correct output
Case 1: Correct output
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