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C++ String Concatenation In this section, we will learn about C ++ String Concatenation, what it does, how it works, and will also see its programs. What is the String Concatenation? The + operator can be used to form a new …
C++ program to read string using cin.getline() C++ getline() is a standard library feature for reading a string or a line from an input source. A getline() function gets characters from the input stream and adds them to the given …
goto statement in C and C++ The goto statement is a jump statement, also sometimes referred to as an unconditional jump statement. Within a function, the goto statement can be used to jump from anywhere in general conditions. NOTE − …
Free vs delete() in C++ In this section, we will learn about the free() function and also create a C ++ program of the delete operator. What is free() Function in C++? In C++, the free() function is used to …
The complement of 2s in C is generated from the 1s in C. As we know, the 1s complement of a binary number is generated by converting bit 1 to 0 and 0 to 1; adding one to the 1s …
Return array from function in C C programming does not require the return to a function of a whole array as an argument. However, you can return a pointer to an array without the need for an index by determining …
Passing by Reference Vs. Passing by the pointer in C++ Throughout C++, it can transfer parameter values except by pointers or through referring to a function. For both cases, we have the same result. So the remaining statements are inevitable; …
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Vector resize() in C++ Vectors are called dynamic arrays and can automatically adjust their size when a component is added or deleted. This container is used for storage. The function modifies the real content of the container by inserting or …
Storage Classes in C Storage Classes are used to define the variable and function property. These functionalities include basically the scope, accessibility, and lifetime that help us detect the existence of a particular variable during a program’s runtime. auto register …
C++ Program to Implement Merge Sort The technique of merge sort is based on the strategy of divide and conquer. We divide the set of while data into smaller bits, arranged in sorted order followed by combining them into a …
C++ Program to Implement Shell Sort shell sort is basically an Insertion Sort variant. In the insertion sort, we only transfer elements ahead of one location. Many movements are involved when an item has to be pushed far ahead. …
Heap Sort Heapsort is executed on the structure of the heap data. We know heap is a complete tree in binary form. The heap tree can be of two different types: Min-heap, or heap max. The root element is minimal …
Differences between #define & const in C/C++ A preprocessor directive is #define. The preprocessor replaces things defined by #define prior to starting compilation. In this chapter, we’ll learn about the member, variable, and macro definition of const data. Const and …
Interval Tree Interval Tree: The concept is to increase a Binary Search Tree self-balancing such as Red Black Tree, and AVL Tree, so that every feature can be completed in time O(Logn). Each Interval Tree node stores information following. I: An interval …
Initialize Array of objects with parameterized constructors in C++ When a class is defined, only the specification for the object is specified; no memory or capacity is allocated. You need to build objects to use the data and access functions …
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Unary operators in C++ Unary operator: is operations that function to produce a new value on a single operand. a) unary minus: A minus operator modifies the argument’s symbol. A positive number becomes negative, so it becomes a positive negative …
Find a subarray with a given sum. The simple solution is to recognize all subarrays one by one and to check each subarray’s sum. The quick solution follows the following program. Algorithm: From beginning to end, traverse the array. For …
C++ mutable keyword Mutable class storage specifier in C++ Storage class specifiers in C are auto, register, static, and external. Typedef is also considered as a specifier of the storage class in C. C++ also supports all of those specifiers …
C++ Friend Functions A class friend function is defined from outside class, but it does have access to all members of the private and protected class. With the definitions for friend functions occurring in the explanation of class, friends are …
C string manipulation programs without using Library Functions The string is the character list, and typically we operate with library functions to read and print the entire string, but here you can find a compilation of solved c example based …
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