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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 | 6.3k 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)
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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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