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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 | 9.1k 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;


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


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


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


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


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


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


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


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



}



int main()



{


* * * **** num;


** * ** **** * ** ** *** **** ** ** * &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++)
* ** ** ** * ** * ** * * * * * * *
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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)
** * ** * * ***
* * ** * * * *** ** ** * * 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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