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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 | 5.1k 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;


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* * * * **** *** ** ** * * ** * * * * ****** * * 1;


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** * * ** * *** ** ** * ** ** ** ***** *** *** ** ** *** * *** * * = value3;


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


* ** * ** ** * ***** * ** ** * * **** * * *** value3;



}



int main()



{


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* ****** ** ** * *** * ** * * ** * * &num);


* ** ** * * *** ** * * ** **** * *** rabbit(num));


* *** * * ***** * * * 0;



}
answered by (-298 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 (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)
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* ** ***** ***** ** * ** ***** * * ** * * * ** * * * * * *** = 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)
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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