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寫一個程式讀入三個正整數a,b,c並判定由a,b,c為邊長的三角形為銳角, 鈍角, 或是直角三角形. 如為銳角三角形則輸出0, 鈍角三角形則輸出1, 直角三角形則輸出2. 題目保證a,b,c可形成一個三角形.

Sample Input 1:

5 4 3

Sample Output 1:

2

Sample Input 2:

3 3 3

Sample Output 2:

0

 

參考書籍:由片語學習C程式設計
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