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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 | 4.9k 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)
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 (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)
0 like 0 dislike
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)
0 like 0 dislike
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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