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)
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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