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    Suppose there is a pair of newborn bunnies in the pasture in the first month, each pair of male and female bunnies grew into a large male and female rabbits after two months later. After three months from the start, each pair of male and female rabbit can give birth to a pair of small bunnies every month. If the rabbits can live forever, how many pair of rabbits in the pasture in the first N month?

(1<=N<=90)(Very IMPORTANT)

Input

3

Output

2

 

Input

5

Output

5

 

Input

88

Output

1100087778366101931

[Exercise] Coding (C) - asked in C
ID: 22018 - Available when: Unlimited - Due to: Unlimited

edited by | 4.3k views

69 Answers

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Hidden content!
* * * *** ** **



int ** * (int month)



{

if (month == 0)

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

}

else if (month == 1)

{
** * *** * ** *** * 1;

}

else

{
** * * * * ****** * ** (month - 1) + * * (month - 2));

}

}





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

}
** ** ** *** * * ** ** ** *
** * * *
* * * ** *** 0;

}
answered by (-34 points)
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Hidden content!
*** *



int * * (int month)



{

if (month == 0)

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

}

else if * == 1)

{
** * ******* *** * * 1;

}

else

{
* *** ** **** *** * * ** * (month - 1) + * * (month - 2));

}

}





int main ()

{
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*** * * * *** (c * ** (month - 1))

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

}
** ** * * *** *
* *** * ** * 0;

}
answered by (-34 points)
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Hidden content!
#include<stdio.h>

#include<stdlib.h>



int main(){
** ** ** * ** **** * * a[90];
*** **** * * ** * * p;
* ** *** *** ** ** * *** * * * ***
**** ** ** ***** * * *** * *** * * * * = 0;
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*** ** **** *** ** ** * * ** ** * * ***** * *
* * * ** ** * * * ** ** ** 0;

}
answered by (-134 points)
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Hidden content!
#include<stdio.h>

#include<stdlib.h>



int main(){
* *** **** ** * * ** * * a[100];
*** *** *** * * ** ** * p;
* ***** ** * **** * *** ** * ***
* * *** * ***** * * * ** * ** *** ** ** = 0;
* * ** * ** * ** *** *
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* ***** ** **** ** *** * i;
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* * * ** * * * * * ** * *** ** ** * *
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*** **** *** * **** * 0;

}
answered by (-134 points)
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Hidden content!
* * ** **** *



int **** (int month)



{

if (month == 0)

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

}

else if ** == 1)

{
** * ** *** * ** ** ** 1;

}

else

{
****** * ** * **** *** * * ** (month - 1) + ** * (month - 2));

}

}





int main ()

{
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* * ** * * * ** *** ** * ** * ** * *
**** *** * ** = * ****
** ** ** * * * * (c * ** (month - 1))

{
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* **** * *** * * ** ** * ****** ** * = *** *
*** * ** * * ** ** * * * ** * ** = * *
* * ** *** ** * *** * * *** **** * = x;


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

}
* * * * ** * **** ***
* ** * ** 0;

}
answered by (-34 points)
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Hidden content!
#include <stdio.h>

#include<stdlib.h>

int main()

{
*** * ** * ** * * *** * n,i;
** * **** * * * long a[100]={};
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* * * * ** ** * * * ** ****** *
*** * ** *** *** **** * ** 0;

}
answered by (-249 points)
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Hidden content!
#include<stdio.h>



int main(void)

{
*** * * **** * * * * * long long int a[90];
****** * **** b,i;
****** *** * * *** * ** * ** * **
** *** * *** ********* * * ** ** * *** * *
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    {
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*** *** * ********* ** **
* * * * *** ** ***** *** * *** ** *

}
answered by (-412 points)
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Hidden content!
#include <stdio.h>

#include<stdlib.h>

int main()

{
* *** * * *** * n,i;
** ** * ** ***** *** ** long a;
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* ** **** ** ** ** * ** * ** 0;

}
answered by (-249 points)
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Hidden content!
** * **



int ***** (int month)



{

if (month == 0)

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

}

else if * ** == 1)

{
* ** * **** *** ** ** * 1;

}

else

{
* ***** **** ** ** * **** *** * * (month - 1) + * (month - 2));

}

}





int main ()

{
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** **** * * ** **** * *
* **** * * * = ** * * ***
* * ** *** (c *** (month - 1))

{
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* ** * * * * *** ** ** ** * * * ** ***** * = x;


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

}
* * * * ** *** * *** **
*** * ** * * ** 0;

}
answered by (-34 points)
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Hidden content!
#include <stdio.h>

int fibo(int);



int main()

{
* ** * ** * * ** * * * *** num, result;
*** ****** * * * *** * * &num);
*** *** ** * ***** * * (num < 1 || num > 90)
* * * * ** * ****** * **** ** * * ** * * * ** *
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** * * * * * * * **** * * * **** * ** = fibo(num);
* * *** *** * ** * ** *** * * * * ** * * ** ** * * result);
* ** * ** **
* *** ** * *** ** *** 0;

}



int fibo(int num)

{
*** ** *** * **** (num == 0)
*** * * * * * * * * * ** *** ***** *** *** 0;
* * ** * ** ** * if (num == 1)
** ***** *** * ** * * *** * * * * * 1;
* * *** **** * ** ** * ** * *
** *** ******* *** * * ** ** * * ** * * ********* - 1) + fibo(num - 2));

}
answered by (20 points)
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