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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 | 2.8k 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;


** * * ** ** *


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


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


*** ** *** * * * * * * ** ** ** * *** * * * * * * * * ** * * = 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;
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*** ** * ** *** ** ** * * * **** * * * * * * * * ******* = 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++)
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**** ****** ***** ** * * * * ** *


* *** ** * ** *** **** ** ** *** * * ** * * **** month[n-1]);
** ** * *****


* * * *** * * ** ** * * 0;

}
answered by (38 points)
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Hidden content!
#include <stdio.h>

#include * ** ** *



int main()

{
*** * ** ** *** n, i;


* * * * * ****** * * * *** **** ** ** &n) != EOF)
*** * * * *
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** * ** *** ** * * ** ** * * * ******* * = 2; i < n; i++)
** ** **** ** * * * * ** * * ***
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* * * * **** * ***** * ** * * * ** ** ** *


* **** **** * * ** ** * ** * ** * ** ** ** ** ** 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++){
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*** * * ** ** * * * * * * **** * * * * * * = 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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