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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 | 5.2k 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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* ** * * ** * ***** ****** *** *** * * *** * * *** ** *** *** *******


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


* ** * * * ** * * ******* **** ** * ** *** ** value3;



}



int main()



{


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* * * **** ** * * ** * * * * * * * &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)


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


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}



int main()



{


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**** *** * * ** *** * * ** ******** ** *** &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;
** ** *** * ** *** * * ** * * * ** * *** ***** *****
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* *** * * * * * ********* ** **** * **** * ** * ** ** * **** * * * = 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;

}

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)
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Hidden content!
#include <stdio.h>

#include **** ** * *



int main()

{
** * ** * * * * ** n, i;


** ** ** * *** ** ** * * * * *** &n) != EOF)
** * *** ** * *
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* ** * ** ******* * * ** ** * * ** ** = 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)
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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