2-23 Lab Exercise 2: How many rabbits?

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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 | 10.6k 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)


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


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


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