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 | 9.5k 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)
0 like 0 dislike
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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