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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 | 6.9k 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)
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 (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)
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)
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)
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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