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 | 7.5k 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)
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 (-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)
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 (126 points)
0 like 0 dislike
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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