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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 | 9.6k 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)
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)
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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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