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 | 8.1k 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)


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


*** ** * ** * ** ** * ** * ** *** *** ** * ** * ** ** * * ** *** ** = 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)
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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)
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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 (-218 points)
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