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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 | 4.3k 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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