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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 | 9.8k 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)


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


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


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


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


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


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


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


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


**** ** * ** * * * * * * * *** ** * **** ******* ** * ** ** * * * ** * = 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)
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 (-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)
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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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