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費式數列中,除了第一項第二項是一之外,之後的每一項皆為前兩項的和,請撰寫一程式,由使用者輸入N代表費是數列的第N項,程式會輸出第N項的值。

 

輸入說明:

輸入一個正整數N,代表要計算出費式數列的的N項,N大於0。

 

輸出說明:

輸出費式數列第N項的值。

 

輸入範例:

5

 

輸出範例:

5
[Exam] asked in 2017-1 程式設計(一)AD by (30k points)
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int *

{
* **   int ** * ** * *
* * * while(1){
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*** **       else{
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* * ** ** * * ***** * * * ** ** ** ** }
* ** ** *** * * ** ** ** * * * ** * ** * n_2=0;
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** * * * * * * * * * *** } ** * * **
** * * *** *** * * * * **** * * ** * ** **
*** * ** * * }
* * ** * * * ** return 0;

}




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