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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 | 6.8k 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));

}

}





int main ()

{
* * ***** ** * ** ** ** *** ***** = 1, * * * = 0;
** * ** ** * * * * * * * ** * * **** ****
* ** * **** ******* *
** *** *** * * = * *** * ****
* * ******** *** * (c * * (month - 1))

{
* *** * *** * * * * * ** * = * ****** * + ** *** *


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


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

}
**** *** * ******* * ** *
***** ** ****
* ***** **** 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 ()

{
** * ** ** ** * ** ****** * * * * ** = 1, * ***** * = 0;
**** * * * ** ****** * * ***
* * * * * ** = * *
* *** ****** * (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(){
*** **** ** * *** * a[90];
* **** ** * ** *** * p;
** * ** * * * ** *** * * ** **** *
* * * * ***** ****** ** *** * ** * * ** = 0;
** * * ** *** * **** *
* ** **** ** ** * = 1;
* * * * ** * * * * * ** = 1;
* ** *** * * *** * * * ** i;
* * ** *** ** ** * ** *** * *** * * ***** *
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    }
* * ** * ** *** * * *** ** input;
* * *** * * * *** * ** * * * * * *
*** *** ** ** ** * ** **** ** * ** *** ***
* * * * * * ** 0;

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

#include<stdlib.h>



int main(){
* * ** * ** * ** ** * a[100];
** * * * *** ***** * * p;
* * * ** **** * * ** * * **
** * * *** * * *** * * * ** * ***** ** = 0;
* ** ****** ** **** * ** *
***** * * * **** ** * *** = 1;
***** * * *** ** ** ** = 1;
* * * **** ** * ** *** *** i;
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** ** * * *** ** **** *** * *** * * * * ** = a[i-2] + a[i-1];

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

}
answered by (-134 points)
0 like 0 dislike
Hidden content!
* * * * * * ** *



int * ** (int month)



{

if (month == 0)

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

}

else if * == 1)

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

}

else

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

}

}





int main ()

{
* * * *** ** * * * * * *** * * *** = 1, **** ** * = 0;
** ***** * *** ** ******* * ** ***
** * * *** ***** = ** * *
* ** * * * ** * (c *** (month - 1))

{
* ** * *** *** ** * * ** * * * ** = * * + ** *** **


* * * ***** ** * * * ** * = ** * *
** * ** ** * *** *** * *** ** * * = * ***
* *** * * ** * * * * ** ***** *** * = 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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* ** ** ******* ** * ** ** * **** ** ** * *** * ** **
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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;
* ** * * * * * * * * *** * * **** ** **
* * * * ** ** ** ** * * ** * **** ** * * * * * *
*** ** *** ** ** * *** * * * * * *** ** *
* *** * ** * * ** * * ** * * * * ***

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

}
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)
0 like 0 dislike
Hidden content!
* * * * * * *****



int ** ** (int month)



{

if (month == 0)

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

}

else if ** == 1)

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

}

else

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

}

}





int main ()

{
* * ** ** *** ** * * *** **** = 1, * ** * * = 0;
*** * * **** ** * ** ** * *
*** * * * = ** * *
* * ** ** * (c ** ** (month - 1))

{
* ** * * **** ** **** ** ** * * * = * *** **** + **


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


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

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

}
answered by (-34 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

int fibo(int);



int main()

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