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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 | 7.5k views

69 Answers

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Hidden content!
#include <stdio.h>







long long int rabbit(int n)



{


** * *** * ** * *** long int value1, value2, value3;


** *** * ******* count = 1;


***** *** * *** * * * * * * = 0;


*** ** ** **** * **** * *** * * = 1;


****** *** * *** * * * (n == 2)


*** * * ** ** * * ** * * * ** * * *** * * 1;


* * * * ****** *** ***** * if (n == 1)


*** ***** * ** * * ** * ** ** * ***** * 1;


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


** * ** * *** * ** ** * * * ***** *** *** (count < n)


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


**** ** *** **** ** * * ** ** * ** **** ******* ****** ** = value1 + value2;


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


** ** * ***** *** ** ** ** ** ** **** * ***** ** ** * **** ** * = value2;


** ** ** ** ** * ******* * ** ** **** *** * * * *** * ** = value3;


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


* ** * * * ****** * * * ** *** *** **** value3;



}



int main()



{


***** * * * ** *** ****** ** * num;


** * * ** *** * * ** **** ***** ** *** * &num);


* **** *** * * ***** ***** ** * * * rabbit(num));


*** * * ** * * ** ** * ** 0;



}
answered by (6 points)
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Hidden content!
#include <stdio.h>







long long int rabbit(int n)



{


* * * ** * ** **** long int value1, value2, value3;


** * * ** *** **** ** count = 1;


* ** ** ** *** * = 0;


**** *** * *** * ** **** = 1;


* ** *** * * (n == 2)


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** ** ** ** *** ** ** * if (n == 1)


* ** ** *** *** * * *** * * * **** * * * ** * * 1;


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


***** ** ** ** * * *** ** * ** * * *** ** * * * (count < n)


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


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


** ** * * ** * **** * **** ** * ** * ** ** * ***** * = value2;


* * * ** * *** ** ** * *** * * * * ** ** *** ***** ** = value3;


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


** * * ** * * ** ** *** * * *** * ** * * value3;



}



int main()



{


**** * * * * ** * ** num;


** *** ** ** * * ** * **** * * * ** **** &num);


*** ** ** * * *** **** * ** ****** *** rabbit(num));


*** * ***** ** **** * **** 0;



}
answered by (-298 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>



long long int rabbit(int n)

{
**** *** * * *** ** * ** long int value1, value2, value3;
*** * * * * * ******** count = 1;
*** * ** * * * * * **** * = 0;
* * * ** * ** * * * = 1;

    if (n == 2)
* * * * * * * * * * *** * * * * * * 1;
**** * * * * * * * if (n == 1)
*** ** * * ** * * * * * * * *** ** *** *** ** 1;
* ** ******** ******
** * *** * * *** * * * * ** * ** * * *** ** *** (count < n)
* **** * * *** ** * ***** * * * * *
* * **** * ** *** ** **** *** ***** * * ** ** *** ** **** ** ** ** * = value1 + value2;
** * * ** * *** * * *** ** **** * * ** *** ** * * ** * ******* * * *
** * * * * ** ** ** *** ** * **** ** * * *** * * * *** * *** ** = value2;
** *** * *** * *** * ** * * ** * * * **** *** * *** * ** = value3;
* * ** * *** * ****** * * *** ** ****** ** * * * **
* *** ** ** * ** * * ** * ** ** * * value3;

}

int main()

{
* * * * * * ** ***** * num;
**** ** **** * * * **** * * * * *** &num);
**** *** * *** * * * *** * **** * * * * rabbit(num));
** * ** * * ** ** * * *** 0;

}
answered by (237 points)
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Hidden content!
#include <stdio.h>



long long int rabbit(int n)

{
* ** * * * ** ** * * ** long int value1, value2, value3;
** ** * **** ** *** count = 1;
* * * * ** * ** * * * ** = 0;
******* ** *** ** *** = 1;

    if (n == 2)
* ** * * * * * **** ****** * * * ** *** 1;
** ** * ** * ** * if (n == 1)
* ** *** * * * *** * ** * * ** * ** * * 1;
* ** * ***** * * ** **
***** * * * *** * * ** * **** * ** **** * * * (count < n)
* * * * ** * ** ** * * * * **** ** *
* *** ** ** ** ** *** * ** ** ** * * * *** ** ** ***** * * * * = value1 + value2;
* *** ** * **** * * ** * * ** ** *** * *** *** * * * * * ** * * *
** * ***** *** ** * * * * **** *** **** *** **** ** ******* * * * * ******* * = value2;
* * ** *** ** ** ** ** * ** * **** ** *** ******* ** * * * = value3;
*** ** * * * *** ** * ** ** * * *
* ** * * ****** ** **** ** * ** * ** * value3;

}

int main()

{
* ***** ** * ** ** num;
** * ** *** * ** * * ** * * *** &num);
* ***** ** * ****** **** * *** * * * * rabbit(num));
* * * * * * ** ** ** 0;

}
answered by (-215 points)
0 like 0 dislike
Hidden content!
#include ** * * **

#include ** ** * ***



int main()

{
* *** * * * * * ** n, i;


* **** **** * * *** *** * * &n) != EOF)
* * * *** * ** *** **
* *** ** ** ** * ** * * * *** * * * long long int month[n];
* *** * * * ** *** * ********* * * ** *** **** = 1, month[1] = 1;


* * * * * * * ** * * * * * ** = 2; i < n; i++)
******* ** * * ** * * *** ****** * **
* * * **** *** * ***** *** * * ** ** ** * * **** *** *** ** = month[i-1] + month[i-2];
* ***** * * ** * ** * * **** ** *


* ** *** **** **** * * * ******** ** *** *** * ***** **** * * month[n-1]);
********** * ***** * **


*** * ** * * *** **** 0;

}
answered by (38 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>

#include * * * *



int main()

{
**** ** * * * * * n, i;


* ** * * ** ** ***** ****** &n) != EOF)
* * * * * * ** *
** * * ** ** **** * * * ** ** * * *** *** ** month[n];
*** **** **** * * **** * * * * * ** * = 1, month[1] = 1;


* * ** * * * * **** *** ** ******** * = 2; i < n; i++)
** * * * * * * **** * * ** * * ***
* * ** * * *** ******** * ** ** * *** ** * ** * ** ********* ** * = month[i-1] + month[i-2];
** * * *** * * ** ** ** * ** *


* * **** * ** ** ** ** * * * * ** * * * ** **** ** month[n-1]);
* * * * *** * ** *


*** *** ** ** **** *** 0;

}
answered by (38 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>



long long int rabbit(int n)

{
*** ** * * * * ** * long int value1, value2, value3;
*** ** * ** * * * * count = 1;
** * * ** * *** ** ***** = 0;
**** * * * * **** *** * ** = 1;

    if (n == 2)
** * ********* * * ****** * ** * * ** * 1;
*** *** * * ** ** * if (n == 1)
* ** ** **** **** * ** ** *** * * * * * *** * ** 1;
* * ** * * * *** * * **
* * * * * * * * * * *** * ** * ** * * ** (count < n)
**** ** ** * *** ** * ** * * ** * * **
* * * * ** *** * ** *** * ** * * * * ** ** **** ** * **** = value1 + value2;
* ** *** * ****** * * * ******* * * ** * * ** * **** * **
** * ** *** * ** * * * * ** * * ** ** * * * * ******* * * *** = value2;
* ** **** * ** * **** ** * ** ** **** * * * ** **** *** * * *** = value3;
* *** ** ****** ** ** ** * ** ** *** * **
************ * *** * ** * * ** * * ** ** value3;

}

int main()

{
* * *** * ** * * * * * * * num;
**** * ** ***** * * * * ** *** &num);
* ** *** * * * ** * * * * ** ** ** ***** rabbit(num));
** *** *** * * * * * * * * 0;

}
answered by (126 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>



int main()

{
* ** ** ** * * * ** * *** i, num;
* * ** * * * long total = 0, rabbit = 1, pairs = 1;


**** * * *** *** * ** * * ** * ** * &num);


*** * *** ** * * * ** * = 2; i < num; i++)
* *** * ** * * * ***** *


*** **** ******* * *** ***** * ** ** = rabbit + pairs;
* * *** *** *** ******* * ** * * ** * * * * = rabbit;
* ** *** ***** * * * ** * * **** ** * * = total;


* * * ** * * *** * *
* * ********** ***** * * * ** == 0)
* * * ***** ****
**** **** * *** *** ** * * ** * * ** * **** ** *** * *** * * ***
** ** *** * *** ** ** * else if(num == 1)
** * ** * **
***** * ** * * * * * *** * * * ** * *
** * ** ** * ** *** ** * ** else if(num == 2)
** * * ** * * * *
* * * ***** *** * **** ** * ** *** * * ** ** * * ***
* ** * ** *** * **** else{
******* **** * * *** **** * * *** **** * ***** *

    }




****** * ** ** * **** * 0;

}
answered by (-189 points)
0 like 0 dislike
Hidden content!
#include * * * ** ** *

#include **** * ***



long long int fib(int );



int main(){


* * * ** *** ** ** * ** *** N;
* * * ** * ****** long int output;
** ** * ** * ***** * ** *** * * * * * &N);
** ****** ** ** ** ****** ** * *** *** ** ** ****
** * * ********** ** * * * *** ** **** * * = fib(N);
*** ** ** ** *** * * * ** * * *** * * ** * * ** * ** * * ***** output);
*** *** * * ** ** * * ** *


*** * **** ** * * * * ** 0;

}



long long int fib(int ** *
* * ** ** **** * *** long int last_2nd = 1, last = 1, output;
* * **** ** * ** * * i;
**** * * * * * *** * ** * == 1 || N == 2)
* * * * ** * * ***** * * ** * ***** * 1;
* * * * * ** ******** *
*** *** *** ** * *** * * = 2; i<N; i++){
*** ** * * * **** * * * ** * ***** * * = last_2nd + last;
* ***** * *** * *** * * * ** * * * ***** * * = last;
** * * * ** *** **** * **** ** ** * ** * * = output;
** * ***** * **** * ** **
* * * * *** * *** output;

}
answered by (-188 points)
0 like 0 dislike
Hidden content!
#include <stdio.h>



long long int rabbit(int n)

{
**** *** * * ** ** * * long int value1, value2, value3;
* ** * * *** *** * ** * count = 1;
** * * * ** * * ***** *** = 0;
* * * *** * *** * = 1;

    if (n == 2)
* ****** *** ** * **** * * ** ** ** ***** 1;
*** *** ** * ***** **** * if (n == 1)
* * ***** * * ** ** * ** * * *** ** * 1;
* * * * * * ** ** **
* *** ***** ** ** * * * ** ***** ***** ***** ** ** (count < n)
*** * * * ** ** * * * ** ***** *** *** *
* **** ** * * * *** ********* ** * ** * ******* ** * * * * = value1 + value2;
* **** ** ** *** ** * ** ** ****** * * * *** ****** * * * *****
* ** ** * * ** * ***** ** *** * **** ** * * * *** * * * * * * ** * = value2;
* * ** * * **** * ** *** * ** * **** * ** * ** * ** * * = value3;
*** * * * * *** * ** * ** * * ** * *
*** ** ****** ** *** * * * ** * ** * ****** value3;

}

int main()

{
** **** **** * ** *** * num;
* * * ** **** **** * *** ** ****** * &num);
* * * *** *** * * ** * *** * *** ** rabbit(num));
* ****** *** ** ** * 0;

}
answered by (-218 points)
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