Given is the task to show the working of list back() function in c++.The list::back() function is a part of the C++ standard template library. It is used to display the last element of any list. header file should be included before calling this function.SyntaxList_Name.back();ParametersThe function does not accept any ... Read More

Given the task is to show the working of deque::assign() in C++ STL.Deque is a double ended queue. In C++, deque::assign() is an inbuilt function which is used to assign the new value to the deque container. Every time this function is called it assigns a new value to the ... Read More

strstr() function is a predefined function in “string.h” header file which is used for performing string handling. This function is used to find the first occurrence of a substring let’s say str2 in the main string let’s say str1.SyntaxSyntax of strstr() is as follows −char *strstr( char *str1, char *str2);Parameters ... Read More

Priority queue is an abstract data type for storing a collection of prioritized elements that supports insertion and deletion of an element based upon their priorities, that is, the element with first priority can be removed at any time. The priority queue doesn’t stores elements in linear fashion with respect ... Read More

The problem states that what will be the working or the output if the scanf is followed by fgets()/gets()/scanf().fgets()/gets() followed by scanf()Example Live Demo#include int main() {    int x;    char str[100];    scanf("%d", &x);    fgets(str, 100, stdin);    printf("x = %d, str = %s", x, str);    return ... Read More

We are given with a function f(x) on a floating number x and we can have three initial guesses for the root of the function. The task is to find the root of the function where f(x) can be any algebraic or transcendental function.What is Muller Method?Muller method was first ... Read More

Process synchronization is the technique to overcome the problem of concurrent access to shared data which can result in data inconsistency. A cooperating process is the one which can affect or be affected by other process which will lead to inconsistency in processes data therefore Process synchronization is required for ... Read More

Given a complex number in the form of x+yi and an integer n; the task is calculate and print the value of the complex number if we power the complex number by n.What is a complex number?A complex number is number which can be written in the form of a ... Read More

Given weights and values of n items; the task is to print the items according to 0/1 knapsack for the following weights and values in a knapsack of capacity W, to get the maximum total value in the knapsack.What is 0/1 Knapsack?Knapsack is like a bag with only a fixed ... Read More

Given a number k and an array arr[n], containing n number of integer elements which are storing the id’s of the opened apps in a system; the task is to show k number of most recently used apps, like when we press alt+tab shows all the recent apps and most ... Read More