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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 | 1.2k 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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**** **** ** *** ** * * ** *** *** *** ** * * * *** * **** * ** **** *


* ** ** * * ** ** * ** * * ** * ** ** ** ** * ** *** ** ****** ** * = 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;


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


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


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


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


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


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


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


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


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


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



}



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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* ** * * *** * **** * ** ** ** * * * ****** *** ** * * ** *
** *** * **** * ** ** * * *** * * * * *** **** * *** * ** * * ** = 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++)
* ******** **** * * * ** * **
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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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