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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 | 8.2k 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)


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


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


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