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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 | 4.9k 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;


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


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


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


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


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


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



}



int main()



{


** * * ** *** * * num;


** ** ** ** ** *** *** ** *** * &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)
* * ** ** * * ** * * * * ** ** * *** 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)
* * * ** ** ** * ** *** ***** * * * *
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** *** ***** * ********** *** ** *** *** ** * ** * **** *
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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)
** *** * * ** * *
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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)
* * * * * ** * *
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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;
* * * * * * * ** ** * ***
* ****** *** **** * **** = 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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