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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 | 3.6k 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;


**** ** * ** ** ** * (n == 2)


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


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


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


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


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


*** ***** * * * ** ** ******** ** * * * ***** * ** * ** ** **** = 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;
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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)
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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)
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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)
* **** * ** * * * * * *
*** ** *** ******* * ***** * * ** * ********** *****
** * *** **** * **** 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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