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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)


*** *** * * ** **** ** * *** 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)
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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)
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)
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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 (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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