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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 | 5.4k 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)
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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)
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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