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 | 8.2k 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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