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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 | 10.6k 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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** *** * **** ** * **** * * *** * ** * * * * * ** * *****


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


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


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


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


* ***** *** ** **** * ** ** **** ** * * * * ******** * *** ** * * = value2;


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


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


* * ** * * ** * *** * * * *** * ** * ** * value3;



}



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;
****** * * * ** * * ** ****
** * ** ** * **** * ** * * * * ** ******* ** (count < n)
*** *** * * * *** *** **** * ******* * * *
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* * ** **** ** * * * * * * ** ** ***** * ** **** * * *
** * * *** * *** *** *** * ******* * * *** * * * * ****** * * = 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)
* ** * * * ** ** * * ** * * ** * **** * * **
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* ****** * * * ** * *** * ** * ** * ** **** ** ****** * * * *** *** * = 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];
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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>



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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