2-23 Lab Exercise 2: How many rabbits?

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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 | 10.5k 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)
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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)
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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)
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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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