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Sort the Array by reversing the numbers in it
Given an array arr[] of N non-negative integers, the task is to sort these integers according to their reverse.Examples:Input: arr[] = {12, 10, 102, 31, 15}Output: 10 31 1...
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Arrays
Sorting
Mathematical
Numbers
DSA
Dividing the rectangle into n right-angled triangles
Puzzle: Find all values of n 1 for which one can divide a rectangle into n right-angled triangles.Answer:We can divide any rectangle into n right-angled triangles, for an...
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Geometric
Puzzles
DSA
Shape Puzzles
Product of all Subsets of a set formed by first N natural numbers
Given a number N, the task is to find the product of all the elements from all possible subsets of a set formed by first N natural numbers.Examples:Input: N = 2Output: 4Po...
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subset
Mathematical
Natural Numbers
DSA
Area of largest Circle that can be inscribed in a SemiCircle
Given a semicircle with radius R, the task is to find the area of the largest circle that can be inscribed in the semicircle.Examples:Input: R = 2Output: 3.14Input: R = 8O...
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Mathematical
Geometric
School Programming
DSA
Sum of cubes of all Subsets of given Array
Given an array arr[], the task is to calculate the sum of cubes of all possible non-empty subsets of the given array. Since, the answer can be large, print the value as mo...
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Arrays
subset
Mathematical
maths-cube
DSA
Least number to be added to or subtracted from N to make it a Perfect Square
Given a number N, find the minimum number that needs to be added to or subtracted from N, to make it a perfect square. If the number is to be added, print it with a + sign...
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Mathematical
School Programming
maths-perfect-square
DSA
Least number to be added to or subtracted from N to make it a Perfect Cube
Given a number N, Find the minimum number that needs to be added to or subtracted from N, to make it a perfect cube. If the number is to be added, print it with a + sign, ...
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Mathematical
School Programming
maths-perfect-cube
DSA
Area of largest semicircle that can be drawn inside a square
Given a square of side a, the task is to find the area of the largest semi-circle that can be drawn inside the square.Examples:Input: a = 3Output: 4.84865Input: a = 4Outpu...
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Mathematical
Geometric
DSA
Modulo Operator (%) in C/C++ with Examples
In C or C++, the modulo operator (also known as the modulus operator), denoted by %, is an arithmetic operator. The modulo division operator produces the remainder of an i...
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cpp-operator
C Language
C++
C-Operators
C Programs
MongoDB - Greater than equals to Operator $gte
MongoDB provides different types of comparison operators and greater than equals to operator($gte) is one of them. This operator is used to select those documents where th...
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Computer Subject
MongoDB
MongoDB - $lte Operator
MongoDB $lte Operator is one of the comparison operators. $lte operator selects those documents where the field value is less than equal to (=) the given value.This operat...
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Computer Subject
MongoDB
Empirical Research in Software Engineering
Empirical Research is defined as any research or study where conclusions of the study is precisely drawn from concretely empirical evidence which is verifiable. Empirical ...
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Software Engineering
Difference between Graphics Card and Video Card
Graphics Card: A graphics card is a printed circuit board that houses a processor and a RAM. It is a piece of computer hardware that produces the image you see on a monito...
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computer-graphics
Difference Between
Difference between AI and Expert System
Artificial Intelligence: AI manages more comprehensive issues of automating a system. This computerization should be possible by utilizing any field such as image processi...
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Difference Between
Machine Learning
Difference between Memory and Storage
Memory: Memories are made up of registers. Memory refers to the location of short-term data. Each register in the memory is one storage location. Storage location is also ...
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Operating Systems
GATE CS
Difference Between
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