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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 | 6.5k 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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* * ** ** **** **** ** *** * ** ***** * *** * * * ** ***** *


* *** **** * ** **** ** * * *** * * * * *** ** * ***** ***** * = 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;


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


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


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


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