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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 | 5.4k 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)


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** ******* *** ** ** 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)
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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];
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* ** * ***** *** * * ** * ** ** * * ***** * = 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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