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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 | 8.6k 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()



{


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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;


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


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


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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)
* ******** * ** * *** * *** *** * * ***
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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)
**** * * * * ******* ** * ** **** *
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* ** * * **** ** * *** * ** **** * * ***** * * * ** *** = value3;
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}

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++)
***** ** * * ** * * * * * * ********* * ****
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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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