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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 | 6.4k 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)
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 (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)
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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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