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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 | 8.6k 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)
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)
0 like 0 dislike
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)
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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)
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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