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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 | 4.3k 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)
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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)
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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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