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 | 6.4k 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)
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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