Calculation Method of a * B mod C
Method 1:
Everyone can think of it. Calculate the value of a * B and then calculate the value of a * B mod C. This is the simplest, but there is a drawback: the value of a * B cannot be too large and may
ObjectiveThe original posted in the Famine game bar, in order to make the article more targeted, the original cut and streamlined. This paste is mainly for programming 0 basic Modder to explain some of the basics of programming. As for the
A * B mod C quick calculation method
17:11:18 | category: classic algorithm | Tag: | large font size, small/medium subscription
Method 1:
Everyone can think of it. Calculate the value of a * B and then calculate the value of a * B mod C. This is
1046 a^b mod C reference time limit: 1 seconds space limit: 131072 KB score: 0 Difficulty: Basic collection attention gives 3 positive integers a B C, for A^b Mod c. For example, 3 5 8,3^5 Mod 8 = 3. Input3 positive integers a B C, separated by a
1046 a^b mod C reference time limit: 1 seconds space limit: 131072 KB score: 0 Difficulty: Basic collection attention gives 3 positive integers a B C, for A^b Mod c. For example, 3 5 8,3^5 Mod 8 = 3. Input3 positive integers a B C, separated by a
ArticleDirectory
1. Number of machines
2. True Value
1. Original code
2. Anti-code
3. Complement
Same concept
Negative modulo
Start proof
1. Number of machines
2. True Value
1. Original code
2. Anti-code
3
1046 A^b Mod CBase time limit:1 seconds space limit:131072 KBGive 3 positive integers a B c, ask a^b Mod c. For example,3 5 8,3^5 Mod 8 = 3. Input3 positive integers a B C, separated by a space in the middle. (1 OutputOutput calculation
BackgroundRecently, in a Java exercise, you see such a problem:
What's the output when this statement executed:System.out.printf (-7% 3);
We are all familiar with the calculation of positive integers, but for the calculation of
Fast Power operation
In addition to mathematical problems, there are many places where power operations are used. This paper introduces a fast power arithmetic algorithm which can be used to calculate the power operation very efficiently--the method
Deffee . The Herman algorithm is an algorithm for exchanging keys in the case of unsecured communication lines, which is applied to the TLS protocollet's start with the process of generating the key, and we have a calculation called a "op mod,"For
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.