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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 | 8.2k 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)
0 like 0 dislike
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)
0 like 0 dislike
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)
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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