Arnab Chakraborty has Published 4293 Articles

Check for integer overflow on multiplication in C++

Arnab Chakraborty

Arnab Chakraborty

Updated on 21-Oct-2019 08:25:08

2K+ Views

Suppose we want to find the result after multiplying two numbers A and B. We have to check whether the multiplied value will exceed the 64-bit integer or not. If we multiply 100, and 200, it will not exceed, if we multiply 10000000000 and -10000000000, it will overflow.To check this, ... Read More

Find two numbers whose sum and GCD are given in C++

Arnab Chakraborty

Arnab Chakraborty

Updated on 21-Oct-2019 08:21:57

215 Views

We have the sum and gcd of two numbers a and b. We have to find both numbers a and b. If that is not possible, return -1. Suppose the sum is 6 and gcd is 2, then the numbers are 4 and 2.The approach is like, as the GCD ... Read More

Find the resulting Colour Combination in C++

Arnab Chakraborty

Arnab Chakraborty

Updated on 21-Oct-2019 08:16:57

326 Views

We have a string with three colors (G, B, Y). We have to find the resulting color based on these relations −B * G = YY * B = GG * Y = BSuppose the string is “GBYGB” is B. If the string is “BYB”, then it will be Y.The ... Read More

Find the other number when LCM and HCF given in C++

Arnab Chakraborty

Arnab Chakraborty

Updated on 21-Oct-2019 08:09:36

112 Views

Suppose we have a number A, and LCM and GCD values, we have to find another number B. If A = 5, LCM is 25, HCF = 4, then another number will be 4. We know that −$$𝐴∗𝐵=𝐿𝐶𝑀∗𝐻𝐶𝐹$$$$𝐵= \frac{LCM*HCF}{A}$$Example Live Demo#include using namespace std; int anotherNumber(int A, int LCM, int ... Read More

Find Surpasser Count of each element in array in C++

Arnab Chakraborty

Arnab Chakraborty

Updated on 21-Oct-2019 08:07:00

229 Views

Suppose one array A is given. We have to find a number of surpasser of each element in that array. The surpassers are greater elements which are present at the right side of the array of the current element. Suppose A = {2, 7, 5, 3, 0, 8, 1}, the ... Read More

Find nth term of the Dragon Curve Sequence in C++

Arnab Chakraborty

Arnab Chakraborty

Updated on 21-Oct-2019 08:04:02

239 Views

Here we will see a program, that can find nth term of the Dragon Curve sequence. The Dragon curve sequence is an infinite binary sequence. It starts with 1, and in each step, it alternatively adds 1s and 0s before and after each element of the previous term, to form ... Read More

Find LCM of rational number in C++

Arnab Chakraborty

Arnab Chakraborty

Updated on 21-Oct-2019 07:59:16

168 Views

Here we will see how to find the LCM of Rational numbers. We have a list of rational numbers. Suppose the list is like {2/7, 3/14, 5/3}, then the LCM will be 30/1.To solve this problem, we have to calculate LCM of all numerators, then gcd of all denominators, then ... Read More

Find if nCr is divisible by the given prime in C++

Arnab Chakraborty

Arnab Chakraborty

Updated on 21-Oct-2019 07:52:50

186 Views

Suppose there are three variables N, R and P. The N and R are used to get the NCR and P is a prime. We have to find whether NCR is divisible by P. Suppose we have some numbers N = 7, R = 2 and P = 3, then ... Read More

Find if a point lies inside a Circle in C++

Arnab Chakraborty

Arnab Chakraborty

Updated on 21-Oct-2019 07:46:31

3K+ Views

Suppose, one circle is given (the center coordinate and radius), another point is also given. We have to find whether the point is inside the circle or not. To solve it, we have to find the distance of the given point from circle center. If that distance is less or ... Read More

Find HCF of two numbers without using recursion or Euclidean algorithm in C++

Arnab Chakraborty

Arnab Chakraborty

Updated on 21-Oct-2019 07:43:18

734 Views

As we know, the HCF or GCD can be calculated easily using the Euclidean Algorithm. But here we will see how to generate GCD or HCF without using the Euclidean Algorithm, or any recursive algorithm. Suppose two numbers are present as 16 and 24. The GCD of these two is ... Read More

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