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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)


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


** * * ** ******* * ** **** ** * * *** ** * ** * ** * **** * * = 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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