Pointer is a variable which stores the address of other variable.Pointer declaration, initialization and accessingConsider the following statement −int qty = 179;Declaring a pointerint *p;‘p’ is a pointer variable that holds the address of another integer variable.Initialization of a pointerAddress operator (&) is used to initialize a pointer variable.int qty ... Read More

ProblemFind out the maximum and minimum from an array using dynamic memory allocation in C.SolutionThe Dynamic memory allocation enables the C programmers to allocate memory at runtime.The different functions that we used to allocate memory dynamically at run time are −The malloc () − allocates a block of memory in ... Read More

ProblemLet’s write a C program to compute the row sum and column sum of a 5 x 5 array using run time compilation.SolutionIn this program, we are entering the values of array which is of size 5X5 matrix during runtime in the console, with the help of for loops we ... Read More

Array Of PointersJust like any other data type, we can also declare a pointer array.Declarationdatatype *pointername [size];For example, int *p[5]; //It represents an array of pointers that can hold 5 integer element addressesInitializationThe ‘&’ is used for initializationFor example,int a[3] = {10,20,30}; int *p[3], i; for (i=0; i

Pointer is a variable which stores the address of other variable.Pointer declaration, initialization and accessingConsider the following statement −int qty = 179;Declaring a pointerint *p;‘p’ is a pointer variable that holds the address of another integer variable.Initialization of a pointerAddress operator (&) is used to initialize a pointer variable.int qty ... Read More

If individual elements are to be passed as arguments, then array elements along with their subscripts must be given in function call.To receive the elements, simple variables are used in function definition.Example 1#include main (){    void display (int, int);    int a[5], i;    clrscr();    printf (“enter 5 ... Read More

ArrayThe array is a group of related items that store with a common name. Following are the two ways of passing arrays as arguments to functions −sending entire array as argument to functionsending individual elements as argument to functionSending entire array as an argument to a functionTo send entire array ... Read More

ProblemWhat is the logic in C language to print the numbers in different formats like pyramid, right angle triangle?SolutionTo print the numbers or symbols in different model we can take the help of for loop in the code.Example1Following is the C program to print pyramid − Live Demo#include int main(){   ... Read More

Local scopeLocal scope specifies that variables defined within the block are visible only in that block and invisible outside the block.Global scopeGlobal scope specifies that variables defined outside the block are visible up to end of the program.Example#include int r= 50; /* global area */ main (){    int p ... Read More

Global scopeGlobal scope specifies that variables defined outside the block are visible up to end of the program.Example#include int c= 30; /* global area */ main (){    int a = 10;    printf (“a=%d, c=%d” a, c);    fun (); } fun (){    printf (“c=%d”, c); }Outputa =10, ... Read More