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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 | 5.5k 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;


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


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


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


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


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}



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


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}



int main()



{


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** ** ** * **** ** ** * * ** *** * &num);


* * ***** * * ******* * * * ** * **** * * rabbit(num));


** *** *** ** * **** * ** 0;



}
answered by (-298 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)
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*** * * ** * * * if (n == 1)
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* ***** * *** * ** * * *** * ** * **** *** * * * * * ** * * ** *
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*** * ** * ***** * * *** * **** * ** ** *** ** * * ** * * = value3;
** *** * * * **** * * *** * ** **
* ** ** * ****** * *** ** * ** * ** * * * **** * value3;

}

int main()

{
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* ** * * * ** ** ** ** * ** *** &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;
**** ** * * * * *
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* * * ** ** ** * *** ** *** ** * ***** * * ***** ** value3;

}

int main()

{
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* **** * ** * ******** *** ** * * * * &num);
* * ** * * * * * * ** * ** * ***** ** rabbit(num));
** * * * * * * ** * ** ** 0;

}
answered by (-215 points)
0 like 0 dislike
Hidden content!
#include * * ** ****

#include * * * * ****



int main()

{
** *** * *** **** n, i;


** ** *** ** ** ** ** * * * *** * * &n) != EOF)
*** * * * * ***
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***** ** * ** * * *** ** * ***** * *** *** *** *** * * *** * month[n-1]);
* *** *** ** *


* ** ** * * * ** * * 0;

}
answered by (38 points)
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Hidden content!
#include <stdio.h>

#include * ** * ***



int main()

{
* ** ** * * ** * n, i;


**** * *** ** * **** ** ** *** *** ** &n) != EOF)
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* * * ******* * * ** * * * * *
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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)
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** * * * *** * * ** ** if (n == 1)
* *** * * ** * ** ** ** ******** * ****** ** 1;
***** * *** * **** *
** **** * * * *** *** ** ** * *** * * * (count < n)
** *** * ** **** * *** ** ********** * * * ***
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* * *** ** ** * ** * ***** * ** * * ** ** *** * * **** ** *** **
* ** * * *** *** *** * * **** * * * ** *** ***** * **** * = 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)
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****** * ** * * * * 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);
*** *** * * * * ****** * * * * * * ** ** * **
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*** * ** * * * * ******* ** ** * * * ** * output);
** * * * * * * * ***


* *** * * ** ** * *** * ** 0;

}



long long int fib(int ** * **
***** * * ** * *** long int last_2nd = 1, last = 1, output;
*** * *** * * **** * * * i;
* ** ***** ** ** * *** == 1 || N == 2)
* * *** * ** * * ** * ** **** * * *** * 1;
*** * * *** ** * ** ** ** ***
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** ** ****** **** ** *** ****** * ** * * * * ** * * = 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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