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 | 9.9k 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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