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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 | 9.9k 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)
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 (-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)
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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