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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 | 8.3k 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)
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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)
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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 (-218 points)
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