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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 | 2.7k 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)
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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 (-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)
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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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