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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 | 4.9k 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)


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


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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;


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** * *** **** *** * if (n == 1)


*** ** * * * ** ** ** * **** ** 1;


* * * * ** ***


* *** *** ***** * * * ** * *** * (count < n)


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


* ** ** **** ** *** ** ** * ***** ***** ****** *** * * * *** * * ** = value2;


* * * *** ** *** * *** * * * * * * * *** * ** ** * ***** * * = value3;


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


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}



int main()



{


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* **** * * * ** *** * **** * ***** * * &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;
**** * **** ** * *** * *** * ** * *** ** ***** * * * * * *** ** *
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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)
** *** *** * ***
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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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