ATOMS - Atoms in the Lab
Mr. Yagami is a scientist in the Bhabha Atomic Research Centre. They are conducting a lab experiment on nuclear fission. In nuclear fission, one atom breaks into more than one atom of the same type.
Initially, there are N atoms in the lab. Starting from now (t = 0), after each second, every atom will break into K atoms of the same type. They don’t want the number of atoms to exceed M, so they have to stop the reaction at some time t = T. Can you find this value T for Mr. Yagami.
Input
First line contains P, the number of test cases. Next P lines contain three integers each. These three integers represent the values of N, K and M respectively.
Output
For each test case print the time at which the reaction will have to be stopped.
Constraints
1 ≤ P ≤ 10^4
2 ≤ N, K, M ≤ 10^18
Example
Input: 2 2 2 7 2 2 8 Output: 1 2
Explanation
1st test case:
- at t=1, number of atoms will be 4.
- at t=2, number of atoms will be 8.
So reaction has to be stopped at t=1.
2nd test case:
- at t=1, number of atoms will be 4.
- at t=2, number of atoms will be 8.
- at t=3, number of atoms will be 16.
Problem Setter: Lalit Kundu
hide comments
yash_18121998:
2016-11-14 07:05:10
design algo using comments....
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ace_cocytus:
2016-08-29 05:18:10
If you use log, consider m<n because it will result in negatives. |
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smtcoder:
2016-08-25 11:51:33
HAHAHAHA!!
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vinay12345:
2016-08-13 10:00:59
pls don't take long long int use only double or float ,it costed me 2 tles but finally i got ACCCCC!!
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Shubham Gupta:
2016-07-02 11:43:07
No use of log. Think simple :) |
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adi_1996:
2016-06-27 17:39:12
wow log
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nik_97:
2016-06-20 08:27:36
Could someone please help with this code -- http://ideone.com/UBFc2d
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vineetpratik:
2016-06-18 20:40:55
i was using log and float and it gave me wrong answer , used float and it gave AC but why ??
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adichd123:
2016-06-13 10:01:42
Brute force with long long int works fine. |
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get_right_jr:
2016-05-31 11:18:58
If you are using Java and log formula:
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Added by: | darkshadows |
Date: | 2014-01-26 |
Time limit: | 1s |
Source limit: | 50000B |
Memory limit: | 1536MB |
Cluster: | Cube (Intel G860) |
Languages: | All |