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 | 9.3k 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)
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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)
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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)
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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)
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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 (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)
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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)
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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 (-218 points)
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