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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 | 9.5k 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;


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


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


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


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


*** **** **


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


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


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


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


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


* * * ** * *** ** * * * = 1;


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


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


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


* * * * * ****


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


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**** ** * * * * * * * ** ** *** ******* * ** * ** *** * ** ** ** = value1 + value2;


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


**** ** * **** ** ** * ** ** ** * **** * * ** * ** ** * * * * * * *** * * = 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)
****** ***** ** * * * * * ** ** *** **
** * ** * * ** * ****** * * * ** ***** * ** ** ** *** * * *** * * = 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)
* * **** * *** *** *
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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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