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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 | 5k views

69 Answers

0 like 0 dislike
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)


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


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


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


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


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


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** * *** * * * *** * ** **** *** *** **** * * ***** ****** * **** = 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)
** ** ** ** * * ******* ** * * **** *
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** ** *** *** * **** * ** * * * * * * * **** * * ** ** *
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* ** * * * ** * * * ** * * * * * ** * * ** * *** ***** * *** * = 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++)
* * *** * *** ***** *** * * ******** ***
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** *** *** ****** **** * * * * ** * * *


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