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 | 10.4k 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)
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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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