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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 | 10.4k 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)
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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