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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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