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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 | 5.4k 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 ()

{
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*** * ** * ** *** * * * *** *
****** * ** ** * *** **
**** ** * ** =
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{
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** ***** ** * ** ** ** ** * * = *******
* **** *** * * * **** ** ****** ** **** = 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;
****** ** ****** * **
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* * ** *** *** * ** ** * = 1;
* * ** * * ** ** ** i;
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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;
* ** ** ** * ***** ***
* * * * * **** = 1;
** * ** *** * ***** = 1;
* *** ***** **** * * i;
***** * ** ***** **** * * * **
** ** *** * * ** * * ***** * * *** * * * = a[i-2] + a[i-1];

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

}
answered by (-134 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()

{
* * * * *** *** ****** *** 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)
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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 ()

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