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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 | 5.8k 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)
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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)
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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 (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)
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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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