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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 | 5.1k 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))

{
* *** * *** * * * ** ***** * = ** *** + * * ****


** * * * *** * *** ***** **** ** * = ** *
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* *** *** * ** ** ******** * * ** *** * * = 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)
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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