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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 | 9.4k 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)


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


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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;


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**** ** * * (n == 2)


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* * * * ** * * *** * ** * if (n == 1)


** * *** ** * **** * ** * * * * ** **** *** **** * 1;


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*** ** *** * * * ** * * ** **** * * * * * (count < n)


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* * ** ** * * * * ***** * * * * * ** **** ** * * = value1 + value2;


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


*** * * * ***** * ******* * * * ** * * ** ** ***** * = value2;


* * * * ** * ** * *** ** *** ****** * ** **** * * * * ** *** * * = value3;


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*** * *** * * * * ** ** ******* * 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;
**** * **** ** *
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* * * * * *** ** * ***** *** ** ** **
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** ** **** ** * * * ** *** ** * ******* *** * ** **** * ** * * * **
* * * * * ** *** * * ** * ** * * * *** *** ** ***** **** *** = 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)
*** *** * * * ** * *** *** ** **** * * ** ** *
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**** *** ** * ** *** * * ** ** * * **** **** ** * ** **
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* ** *** *** * * * * * ** * * * ** * * ** *** * * * *** **** = value3;
* * * * *** * ** ** ** * ** * ** * * ****
***** * **** *********** ** * * * * * value3;

}

int main()

{
* * ** * ** *** ** num;
*** * ** * * ***** *** * * * ** &num);
** * **** ** * * * *** ****** ** rabbit(num));
** ** ** *** ** ** *** 0;

}
answered by (-215 points)
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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];
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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)
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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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