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 | 5.2k 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)
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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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