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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 | 7.2k 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)
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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];
* * **** * * * * **** * * * ** * * = 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)
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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)
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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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