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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 | 8.3k 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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