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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 | 7.4k 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)


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


******* * **** * *** *** * *** ** ** ** **** * * * *** = 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)
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)
0 like 0 dislike
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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