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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 | 6.5k 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;
* ***** * ** **** ** * * *
* * * * ** ** ******** ** * ** ** ** * = 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)
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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()

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

}
answered by (-249 points)
0 like 0 dislike
Hidden content!
#include<stdio.h>



int main(void)

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

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

}
answered by (-412 points)
0 like 0 dislike
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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