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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 | 2.8k 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))

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


**** * * * * ** ** * ** ** ** = **** *
* *** ** ** ** * *** **** *** ** * * * * = * * **
*** ** *** * ** ** *** * * ** * * ** ** = 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))

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


** ** * *** * ** ** * *** * * = ** * * * *
* **** ***** ** * ** ** * * ** ** * * = *
** * ***** ***** ** *** * * * ** * *** * = 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;
*** * * * * ** ** *** ** ** * **
* * ** ** ** *** *** * ** * ** *** = a[i-2] + a[i-1];

    }
*** * * * * ***** *** * 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;
** ** * * * * **** * * * ** **
** * ** *** ** * * ** * *** *** * ** = 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]={};
** ***** * * * *** * ******* * * ***** **
***** * * * * * * **** **** *
** ** * ** ** * ** ** * * ** ***
* * ******* ** * * ***
** * ** * *** ****** * * * * **** * **** ** ****** **
* ** ***** ** * **
* ** * *** * * * ** * *** **** *** * ** **
**** ** ** * * ** ** ** ** * * 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;
* **** *** ** * ** * ** ***** * * *** **** * *
* * * * **** ** * * ** *
* * * * * ** ** ** **
** * * ** *** **** * **
* * * * *** *** * * * * * * * ** *****
* *** * * *** ** ****
* * * ** * * * ** ************* **
****** * ** **** * * 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)
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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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