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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 | 9.4k 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)
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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