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)
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)
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)
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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