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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 | 9.3k 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)
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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;
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** * * * * * * *** * * ** ** * *** * * *** *** ** * * **** ***** * * * = value2;
*** *** * * * * * **** * * *** *** *** * * * ***** * *** ** = value3;
* * * * * * *** * **** * * ******* *** ** **
** * * ** * * * * ** ********** ********* value3;

}

int main()

{
*** ****** * * *** * num;
*** * * * *** ** * * ********** ***** * * &num);
** ** ** * ** ******* **** ** * ** * rabbit(num));
* ***** * ** * * *** *** * 0;

}
answered by (-215 points)
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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];
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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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