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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 | 7.5k 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)


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


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


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


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


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


* *** ***** * * * ** * * * * **** * *** **** * * * * * = 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)
* * * * **** * * ** ****** * * *** * *** *
* ** * ** * * * * ** ** * * ** ** * *** ** * * * **** * ** = 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)
** ***** * * * ** * ******* **
**** * ** * * * ** ** ** * * ** * * ** **** ** * * * * * * = 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)
**** * **** * ** * * * *
* *** ** * * * ** ** *** * *** * 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>



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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