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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 | 7.3k 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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