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 | 418 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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