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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 | 6.9k 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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** * ****** * * * ** ** * ** ** ******* *** * *** * * * * ****** * * * *** **


**** ********* ** ** **** ** * * * ***** * *** ** = value2;


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


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


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



}



int main()



{


* ** ***** * ** * *** * ** num;


**** * ** ** ** * * ** * *** &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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* * ** * ** * * * * * * ******* **** ** * ******** * * * *** * = value2;
*** *** * ** * * * * * *** * * * * *** ** * * ** = value3;
* * **** **** ** ** ** *** ***** * ** **
* * * * *** * * ***** * ** ** * ** * * * value3;

}

int main()

{
* ** ** ** * ** ** ** * num;
** ***** * ** * * ** ** *** * * * ** &num);
* ** * * ** * ** * * *** * * ***** rabbit(num));
* *** **** * ** * * ** * 0;

}
answered by (-215 points)
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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)
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)
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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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