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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 | 8.6k 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;


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*** * ***** * * * * (n == 2)


*** ** * * ** *** ** ** ** *** * * **** * ** * 1;


* * ******* * * * * * if (n == 1)


***** * *** ** * * * * *** * ** ** * * * * * 1;


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


* * ** *** * ** ** ** *** * ** ** *** (count < n)


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


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


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


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


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



}



int main()



{


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*** * * * ** * ** ** * * * * *** &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;


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* * ** * * * * * **** (n == 2)


* **** ** * * *** * * *** ** **** * * * ** 1;


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


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


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


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}



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)
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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;
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* * ** ***** * *** *** ***** * ** ** * ** 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)
** ** ** * * ** *
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** * ** * **** * ** * ***** * **** ** ** = 2; i < n; i++)
**** ** ** ***** * ***** * *** * * * * *
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* **** * * *** ** * * ** * * *


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