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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 | 1.1k 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)


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


* ** ** * * * *** ** ** ** *** **** * ***** ** * ** * *** * * * = 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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