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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 | 10.4k 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)
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)
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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)
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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