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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 | 7.1k 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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* ** *** * * * * * ** ***** ** * *** * **** * * ** 1;


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


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


* * *** *** * * * * ** ** * * * value3;



}



int main()



{


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**** * **** * * * ** ** *** * * *** &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)
* ** * ** * *** ** *** **** * ** **
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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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** *** * * **** * * *** *** ** * ******** * *** *** ** * * * *** * = 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)
*** ** * ***** *
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*** ** * ** * * * ** ** ***** ***** = 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)
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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 (-218 points)
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