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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 | 9.5k 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)


**** **** * *** ***** * *** * * * ** ***


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* *** * * * * * **** * * * ** ** ** *


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}



int main()



{


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* ** ** * * ******** ** **** *** ** &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;


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*** ** ** * *** * ** * * if (n == 1)


** **** * * * * **** ***** ** ***** *** *** 1;


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* * ** * ** * * * * ** ** * ** *** * * * ***


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*** ** * ** ***** *** * * * * * *** * * * *** * * ******


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* * * * *** ** **** ****** * * ***** * ** * ** *** ***** *** = value3;


** ***** * ** * ****** * ****** ** ** * ***


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}



int main()



{


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** **** *** ** * *** * ** * ** * * *** &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)
** * ** *** ** * *** * * * * * * ** ** **
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* ** * * * *** *** *** ** * **** *** **** ** * *** * * ** ** ** * *
*** * ** *** * *** ** ** ** ** ***** *** **** * * * ** *** * * * = 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;
* ** * * ** *** * ** ** * * ** *** ** **** ******
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**** * **** * *** ** ** ***** *** ** **** * ** * * ** *** * ** ** * = 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)
**** * * **
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* * * * **** ** * ****** * * * ** * * = 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)
* * * * * *** * ***
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** **** * * ** *** * * * * *** * ** = 2; i < n; i++)
*** * ** ** ** ** ** * * ** ** ** ****
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** ***** *** *** * ***** * * * *


***** *** ** * * * * * * *** * * ** * * * ** * 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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