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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 | 9.7k 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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