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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 | 7.9k 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)
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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