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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))

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


* * * ** * * *** *** * ** ** * = ** ****
* * ** ** ** * **** ****** = ***** *
* ** * * * * * * *** ** * **** = x;


*** * *** * ******* * * * ** ** **

}
*** * ** * ** * * **
** **** * ** 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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* * ** ** * ** ** * * = 1;
* ** ** * *** ** *** * i;
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*** *** **** * * ** * ** ** * * ****** * ** * = 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)
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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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