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DIVFIBS - Divisible Fibonacci Numbers |
In mathematics, the Fibonacci sequence is calculated by adding the previous two members of the sequence. The first few Fibonacci numbers are
1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, ...
Considering the indices start from 1 the 6th Fibonacci number in this sequence is 8 and is divisible by 1, 2, 4 and 8. You are given two indices L and R (L<=R) of this sequence and you have to calculate how many Fibonacci numbers are divisible by M in range [L, R] inclusive.
Input
Input begins with a line containing a single integer T (1<=T<=500), denoting the number of test cases. T test cases follow. Each test case begins with a line containing three integers L R (1<=L<=R<=100000) and M (1<=M<=1018).
Output
For each test case, output a single line containing the answer as an integer.
Example
Input: 3 6 6 4 4 18 5 1 10 3 Output: 1 3 2
Added by: | imranziad |
Date: | 2015-12-08 |
Time limit: | 1s |
Source limit: | 50000B |
Memory limit: | 1536MB |
Cluster: | Cube (Intel G860) |
Languages: | All except: ASM64 GOSU JS-MONKEY |
hide comments
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2015-12-09 18:10:08 [Lakshman]
@imranziad can you please tell me for what kind of input I am getting wrong answer. |
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2015-12-09 10:24:24 Prakhar Dev Gupta
Can I have more testcases? Getting WA but the three given test cases pass in DEV |
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2015-12-08 19:40:16 Vipul Srivastava
@Lakshman: Yes you are right |
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2015-12-08 19:29:31 [Lakshman]
I am not getting this problem You mean to say count for(i=L;i<=R;i++) if fibonnaci[i]%m==0. ? |