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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 | 9.8k 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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