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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 | 8.3k 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)
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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