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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)
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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)
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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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