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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 | 7.5k 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)
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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