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Articles by sudhir sharma
Page 98 of 98
Addition of two number using '-' operator?
Operator overloading is an important concept in C++. It is a type of polymorphism in which an operator is overloaded to give user-defined meaning to it. The overloaded operator is used to perform the operation on the user-defined data type. For example, '+' operator can be overloaded to perform addition on various data types, like for Integer, String(concatenation), etc.Input10 20 20 30Output30 50ExplanationTo perform addition of two numbers using ‘-‘ operator by Operator overloading. Binary operators will require one object as an argument so they can perform the operation. If we are using Friend functions here then it will need ...
Read MoreAdd N digits to A such that it is divisible by B after each addition?
Given a, b and n. And we have to consider the following conditions and find the optimal solution to add n digits to a such that it is divisible by b after every iteration.Add a digit to a in such a way that after adding it, a is divisible by b.Print the smallest value of a possible after n iterations of step1.Print fail if the operation fails.check divisibility after every digit addition.Inputa=5 b=4 n=4Output52000ExplanationThe first digit to be added from 0 to 9, if none of the digits make a divisible by b then the answer is -1 which means the if n digits are ...
Read MoreC++ Programming Internals?
C++ Internals means how the working of C++ compiler compiling the .cpp code and giving us the output. C++ is a popular programming language mostly used for writing system software. It is an extension of the C programming language. C is a compiled language. The C++ compiler compiles C++ code to an object or executable file is generated. The executable or the binary files contains machine executable instructions and some metadata of the machine instructions.A typical way of compiling a C++ program is to run the compiler on C++ code. The compiler will generate machine instructions which are set of ...
Read MoreArea of a triangle inscribed in a rectangle which is inscribed in an ellipse?
For understanding this complex problem, let's do it in two parts. First we will find the dimensions of the rectangle and based on that we can find the area of a triangle inscribed in it.Using the equation of ellipse and differential calculus, mathematical formula for the area of a rectangle is, area = 2ab, where 2a = major axis and 2b = minor axis.The largest triangle that can be inscribed in the rectangle, should stand on the same base & has height raising between the same parallel sides of the rectangle.The area of largest triangle inscribed within the rectangle is ...
Read MoreC++ Programming for Smallest K digit number divisible by X?
Smallest K digit number that divisible by X is found using the formula by checking divisible by X. The formula works in the following way −Compute minimum K digit number [min] for example: 10/100/1000 etc.Now find if min is divisible by X. if yes, then this is the answer.If not, then min+X - ([min+X]%k) is the answer.Example#include #include using namespace std; int main() { int X = 83; int K = 5; cout
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