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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 | 10k 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)


****** ** * * *** * *** ** ** * * * ** ***


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**** *** ** ** * ** * ** *** * * * ****** ** * * * * * *** ** * ** = 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;


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* *** * ** ***** * if (n == 1)


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*** *** *** * * ** ** * * * ** ** ** * * ** * * * * * ** ***** = value3;


******* ** *** ** ** * * ***** ***


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}



int main()



{


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**** * ***** * **** ** ** * ** * ** *** &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;
* * * * ** * ** ** ****
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*** **** **** ******* * * * ** *** ** ** * ** * * * * ** * * * * * *
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** * * * **** * ** * ** * * * * * ****** * *** ** * * = 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)
* ***** * ** * ***** * * *** * *** ** ****
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** *** * * * * * * ** * * * *** * ** * ****
* * * **** ** *** ** * * **** **** 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];
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*** *** * **** * ***** * *** ** ** * = 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)
* * *** ** ** **
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* *** *** * ** * * * ** ** *** * * * *** ** * ***
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**** *** ***** * *** * * * ***** * **** ****


* * ** * ** * * * * *** *** * *** **** ** *** *** **** 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)
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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