C program to find Square Root of a Number. For calculate Square Root of a number we multiply number by 0.5 because square root of any number means power of 1/2 and 1/2=0.5. And one another method for this program is use sqrt function it is pre-defined in math.h header file.
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The Greatest Common Divisor (GCD) of two numbers is the largest number that divides both of them.
For example: Let’s say we have two numbers are 45 and 27.
So, the GCD of 45 and 27 is 9.
A program to find the GCD of two numbers is given as follows.
Example
Output
In the above program, gcd() is a recursive function. It has two parameters i.e. a and b. If b is greater than 0, then a is returned to the main() function. Otherwise the gcd() function recursively calls itself with the values b and a%b. This is demonstrated by the following code snippet −
Another program to find the GCD of two numbers is as follows −
Example
Output
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In the above program, gcd() is a recursive function. It has two parameters i.e. a and b. If a or b is 0, the function returns 0. If a or b are equal, the function returns a. If a is greater than b, the function recursively calls itself with the values a-b and b. If b is greater than a, the function recursively calls itself with the values a and (b - a). This is demonstrated by the following code snippet.
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Take a simple arithmetic problem: what's left over when you divide 11 by 3? Theanswer is easy to compute: divide 11 by 3 and take the remainder: 2. But howwould you compute this in a programming language like C or C++? It's not hardto come up with a formula, but the language provides a built-in mechanism, themodulus operator ('%How To Get A Factor For Number Dev C 2017
'), that computes the remainder that results fromperforming integer division.How To Get A Factor For Number Dev C Online
The modulus operator is useful in a variety of circumstances. It is commonlyused to take a randomly generated number and reduce that number to a randomnumber on a smaller range, and it can also quickly tell you if one number is afactor of another.
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If you wanted to know if a number was odd or even, you could use modulus toquickly tell you by asking for the remainder of the number when divided by 2.The key line is the one that performs the modulus operation: 'num % 2 0'.A number is even if and only if it is divisible by two, and a number isdivisible by another only if there is no remainder.