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請設計一程式,使用者輸入一個正整數N,程式會輸出相對應的費氏數列第N項。

sample input:

10

sample output:

55
[Exercise] Coding (C) - asked in 作業 by (18k points)
ID: 16957 - Available when: Unlimited - Due to: Unlimited
| 2.5k views

26 Answers

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Hidden content!
#include <stdio.h>

#include <stdlib.h>



int printFi ()

{
* *** *** * i=0,
* * ***** * * * * * * * *** * *** * **
* * * **** ** * ** * * ** * ** ** ** * ** ***
* *** ** * ****** ** * * ** * * *** * *
*** * ** * ****** ** *** *** * * * * ** *** *

    
* * * * ** ** *** **** ******* * *

    
* ** * * * * * ***** * (n==1||n==2)
* ** ** ** **** *** ** ** * * * 1;
* * *** ** * * *******
* * ** *** * **** **** ** ** ** * * ** ** * * **** * {
** ** ** *** ** ** *** ** ** * *** * **** * * ** * **** = l1 + l2;
* **** ****** ** * ** ** * * ** * * * ***** ***** * = l2;
* * *** ** ** * **** * * *** ** *** **** **** = sum;
*** * ** * * * * * ** ** * * * ** *** * ****

    
* **** *** * ** * * ** *** ****** * *

}



int main ()

{
** * ***** **** * *** *

    
* * * ***** * * * ** * * * ** * ***** **
* ********* ******* * * *** * 0;

}
answered by (-170 points)
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Hidden content!
#include <stdio.h>

#include <stdlib.h>

#include <math.h>



int fk(int num)

{
*** ** * * * ******* * ** *****
* * * ** * * * * ** ** 1;
* ** ** ** *** ***** * i,last1=1,last2=1,sum=0;
** * ** *** * **** ** * ** **
* ***** ** * ** **** ** * ** ** **** * * * *
* ** * ******* * **** ** * ** *** **
* * **** * * * ** ** *
*** ** ** **** ** * * *
** * * * * ** ** *** * ** * * *** *** * ** * *

}



int main()

{
* ** **** ** ****** * num=0;
* ** ** * *** *** * * ** *** * ** * ** ** * **
** ** * **** * * ** ***


*** * * * * * ** *** 0;

}
answered by (-102 points)
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Hidden content!
#include<stdio.h>

#include<stdlib.h>



int fi(int n)



{
** ** ** ***** * ******* ** * x,y=1,z=1,t=0;

    
* * *** * * * **** * * * ***
*** ** * *** * ** ** ********
** * *** ** ** * * * * 1;
* ******* * * * **
* *** * * *** ** * *** *
** * * * * * * ** * * **
* *** ** ** ** * * * ** *
** ** ** ** *** *** ** **** ** * ** ** * **** * ******
* ** ** ** * ** * ** ** * * * * * * * * * ** *
* * *** * * * * **** **** ** *** * *** * ***** * * * *
** * * * * * ** **** * * *** * ** * * ** *** ** *** * ****** * * * ** ** * * ** ** * * **** ** * ** * *** * * * ****
** ****** ** * * ** * * *** * *** * * * *** * * * * * * * * * * *** ***** * * * * ** ** * *** * * *** ******** ** *** ** * * * * * * ** ***
** * * * * ** ** ** * ** * * * * * * * * ** * *** * ** ** *** * ****** * ** * *** *** ** ** * * *** * * ** ** * **********
*** * ** ****** ***** ** * * ** ** * * *** ** ** ** ** * **** ***** ******* ***** * * *** * ** ** **** * *** * ** * * ***
** *** ** * **** ** ***** * ** * ** ** * * * **** *** * * * ** * * * * ** ***** * * *** * *** * **** **** * **** * * * * ** ***** **
* ** * *** * ** * * ** **** * * *** **** ** *** * * ** * * * * * ******** * ** *** *** * ** ** * * ** *** **** ** *** * ***
** * * * * * * * * * * * * * * * * **** * ** *
** *** * * * * * * * * ** * ********* * **** * *
** * * ** ** **** *** * ** *** * t;
* ** * * ** ** * * * ** **
**** * * ** *** *** * * * *

}
*** * ***** ** **** * ******* ** **** * * * * * * ** * *** *** * * *** ** * * ** ** * * ** * *** **** * ** *

     

     



int main()



{

    int i,j,k=0;

    
* ** * ** * ** * **** * ** ****

    



    

    k=fi(i);

    
* ** ** * * ** * * **** *** * * *

    

    
** * *** ** ***** *** ** *** * * * * ** ** * * * ***

    return 0;

    

}
answered by (122 points)
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Hidden content!
#include <stdio.h>

#include <stdlib.h>

int main()

{
** * * ** *** * * ***** * int num;
**** ***** ***** * ** a=1;
* ****** * *** **** * ** b=1;
*** * *** * * ** k=0;
** * * * ** ** * *** * i;
********* * ** * **** * **** *** &num);
* *** ** **** ** ** * ** ** || num==2)
* * * * ** ** * ***
* * ** * * ** * ***** ** * * ** **** ***** * = 1;
*** * * * * * ** * *** * * *** * * * * ** * * ** **** * ** * * *

    }
**** ******* * ****** *

    {   
* * ** **** * * *** * * * * ** * * * * * * i<=num; i++)
* ****** *** * * ** * ** ** *
**** * * ***** * **** ***** * *** * ** * * * *** * *** * ** * = a + b;
** ***** * * ******* * *** *** * ** ** * * * ** * = b;
* * ** * ***** *** ** **** *** * *** ***** ** * ** *** = k;
*** * * ** ** ** ** * ***** * *
** *** * ** *** *** ********** * * **** * * ***
* ** *** *** *** ***
*** * * * * * ** ** *** **** **** ** *****
** **** **** * * * 0;

}
answered by (-202 points)
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Hidden content!
#include **** * *** *

#include * ******

#include * * *** *



int sum(int a,int b)

{
* * * * * ** *** * **** * * * ** ** = 0 , i ;
** * ***** * *** ** * i = a ; i <= b ; i++ )
**** ***** * ** *** * * *** * * * * *** += i ;
** ** * * * ** * ** ***
** * * ***** **** *** * * sum;

}



int *** * * n)

{
** *********** * * a[n] , i ;
** ** * * * *** ***
* **** *** *** ** * ** ** *** a[0] = 1 , a[1] = 1 , i = 2 ; i < n ; i++ )
* *** * * ***** *** * * ** * ** *** **** = a[i-1] + a[i-2] ;
* * * ** * *
* * ** * * ****** a[n-1];

}



int main()

{
* * * ** *** * * * * ** n ;
******* * * ***** * ** **** * ***** ** ** * * **
* **** * * * *** * * *** ** * * ** ** **** * * *** *
** ** ** * * ** * ********* ** *
* * * *** ** ** * * * *** ** 0;

}
answered by (-162 points)
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Hidden content!
#include * * ** * * *

#include ** ** **



int sum(int a,int b)

{
* ** ** ** ****** **** * ** * *** = 0 , i ;
* *** ** ** * * * ** * ******* i = a ; i <= b ; i++ )
* * * ** * * ***** * * *** * * ******** * ** * ** * ****** += i ;
** ** * *** *** ** *** * *
***** *** * ***** * *** * * * * sum;

}



int * *** n)

{
**** * * * ** * ** * * a[n] , i ;
*** * ** * * * * *
*** ** * * *** ** a[0] = 1 , a[1] = 1 , i = 2 ; i < n ; i++ )
** * *** * * * ** * * * * *** * * ** * ******* * * * *** = a[i-1] + a[i-2] ;
*** ** * * * ** * ***
** *** **** ** ** ** * a[n-1];

}



int main()

{
* * * * * * ** * ** * n ;
* ** ** ** ** **** * * *** *** * **** *
* ***** * ** * ** * * * *** ** **** **
* *** * ** ** ** ** *** ******** *
*** * ** ** * * * 0;

}
answered by (-162 points)
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