LENGFACT - Factorial length
Given integer n, print length of n! (which is factorial of n).
Input
The first line of the standard input contains one integer t (t < 10001) which is the number of test cases.
In each of the next t lines there is number n (0 <= n <= 5*10^9).
Output
For each test, print the length of n! (which is factorial of n).
Example
Input:
3
1
10
100
Output:
1
7
158
hide comments
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mrmajumder:
2020-04-21 14:32:27
Sorry if you're not bright enough like Dmitri Kamenetsky. Good for you, he already developed a formula and published it. Why don't you go check it out? |
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raghav6:
2019-01-17 11:22:46
Google Kamenetsky's formula |
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jmr99:
2018-10-16 12:27:05
use Kamenetsky’s formula . |
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ameyanator:
2018-09-25 14:52:00
How in the name of hamburgers is someone supposed to come up with this on his own????!
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sonuverma:
2018-01-07 15:03:55
in c, use PI=acos(-1); under math.h :-) |
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dsri_99:
2017-12-20 14:34:54
define a variable called pi upto as many digits as possible and then do it. Good formula based problem.
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prabodh prakash:
2017-06-07 21:09:01
In Python, I used 22/7 for pi and was getting WA. then I used math.pi and got Accepted. |
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nesbak:
2017-05-31 13:29:00
i am getting wrong answer even after getting right answer on ideone for of the cases and i have kamenetskys formula only
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rakcode1998:
2017-04-11 12:34:34
Keep 0 in mind
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nilabja16180:
2017-03-13 17:32:21
use long long for input type of n, costed few WA! |
| Added by: | Piotr Kąkol |
| Date: | 2010-01-19 |
| Time limit: | 1s |
| Source limit: | 50000B |
| Memory limit: | 1536MB |
| Cluster: | Cube (Intel G860) |
| Languages: | All |
| Resource: | Copy of the problem: FACTLENG with different assessment |
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