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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 | 9.3k 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)
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)
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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