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 | 10.5k 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)
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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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