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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 | 8.2k 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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* **** *** ***** *** * ******* * *** **** ***** * * * *** = value3;


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


* *** *** * ** ** * *** * **** * ** **** ***** * * 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;


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


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


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


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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)
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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 (-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++)
* ** **** * * * * * * ** *******
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* * * * * ** ****** * ** *** *** ***


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


* * ** * * * ** *** ** * * *** *** * * * * ******* **** month[n-1]);
** ** * * **


* ****** * * * * * ***** 0;

}
answered by (38 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 (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)
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** ** ** *** ****** * * * * * ** * * * ** * ** * ** **
** ** * ** * * ** * * 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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