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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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