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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 | 4.2k 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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