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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 | 6.9k 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 ()

{
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** *** * **** * * ** *
* * * * ** = ** * ***
* * ** * ** (c ** (month - 1))

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

}
**** ** ** ** *** ** *********
** ** **** *** 0;

}
answered by (-34 points)
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Hidden content!
#include<stdio.h>

#include<stdlib.h>



int main(){
* ** * * * ***** ** * a[90];
** * ** * * * ** * * *** p;
***** ** ** * ** ** * ****** * * **** *
*** *** * * *** * ** * * * * *** *** = 0;
***** * ** ****** * * *
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    }
* * * * * ** * * * input;
*** * * * ** * ** * * ** ** * * * * ** ***
** ***** * * * *** * **** ** ****** **
** *** ** * * * *** * ***** * 0;

}
answered by (-134 points)
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Hidden content!
#include<stdio.h>

#include<stdlib.h>



int main(){
* * * * ** *** * a[100];
**** * *** *** ** * *** p;
* ** ** * * ***** ** * *
* * * * * * * * * **** ** * * ** *** = 0;
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** ** * *** * ** ** = 1;
** * * ** *** * **** *** i;
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    }
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** * * ** * *********** * ***** *** * * ** * * ***
* * * **** ** *******
* ** ** *** * * *** * 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 ()

{
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**** *** * **** * * * * **
**** ***** = ** ** **
** * * * (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]={};
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* ** * * * * * ** ** ** * * **** **
** **** * **** ***** * 0;

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



int main(void)

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

}
answered by (-412 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include<stdlib.h>

int main()

{
* *** ** **** **** * * n,i;
*** ** * * **** ** ** ** long a;
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** ****** * ***** *** * *** ** * * ** * * *
* * * * ***** ** * * ** 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 ()

{
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* * * * ** ** ** * ** ** * * * ** * ** ** *
* * * * ** = * ****
* * * *** *** (c ***** (month - 1))

{
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* * **** *** * ** ** * * *** * *** ** * ***** = 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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