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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)


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


*** *** ** * * * **** * * ** * ** * * ****** ** ** *** ***** * * = 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)
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)
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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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