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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 | 2.8k 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)
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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)
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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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