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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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