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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 | 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)
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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)
*** *** * ** * *** * *** * * ****** * * * ****** *
** ** * *** ** ****** * ** * ******* ** * ******* * ** * ** *** = 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)
0 like 0 dislike
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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