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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 | 8.4k 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)
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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