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 | 5.3k 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)
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)
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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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