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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 | 4.3k 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)


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


**** * * *** * * ***** ****** *** ** * * * * * *** * **** **** * *** * *** * = value1 + value2;


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


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


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


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


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


** * ** * * ******* * * * * * ** * **** ** * ** * * = value1 + value2;


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


** ** * * ** ***** * ** * ** * * ** *** ****** **** ** * = 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)
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 (-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)
* * *** ** * ** *
* * * ** *** * * * * ***** * * *** * * ** 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)
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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