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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 | 4.3k 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)
0 like 0 dislike
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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