Method 2: Initialize an array in C using a for loop We can also use theforloop to set the elements of an array. #include<stdio.h>intmain(){// Declare the arrayintarr[5];for(inti=0;i<5;i++)arr[i]=i;for(inti=0;i<5;i++)printf("%d\n",arr[i]);return0;} Copy Output 0...
Arrays: looping over an array #include<stdio.h>intmain(){// initialize an arrayinta[6] = {10,20,30,40};// initialize the loop variableinti;for(i =0; i <4; i++) {// print the element index and the array itemprintf("a[%d] = %d\n", i, a[i]); }return0; } ...
It is possible to initialize an array during declaration. For example, int mark[5] = {19, 10, 8, 17, 9}; You can also initialize an array like this. int mark[] = {19, 10, 8, 17, 9}; Here, we haven't specified the size. However, the compiler knows its size is 5 as we...
As mentioned above, you must initialize your arrays or they will contain garbage. There are two main ways to do so. The first is by assigning values to array elements individually, either as shown in the example below, or with for loops. (See Arrays and for loops, above.) my_array[...
To initialize an array, you have to do it at the time of definition: charbuf [10] =' '; will give you a 10-character array with the first char being the space'\040'and the rest beingNUL, i.e.,'\0'. When an array is declared and defined with an initializer, the array elements...
Initialization of a 3d array You can initialize a three-dimensional array in a similar way to a two-dimensional array. Here's an example, inttest[2][3][4] = { {{3,4,2,3}, {0,-3,9,11}, {23,12,23,2}}, {{13,4,56,3}, {5,9,3,5}, {3,1,4,9}}}; ...
#include<iostream>#include<cstdlib>usingnamespacestd;staticconstintROW =10;staticconstintCOL =5;intmain(){int** array = (int**)malloc(ROW*sizeof(int*));int* data = (int*)malloc(ROW*COL*sizeof(int));// initialize the datafor(inti=0; i<ROW*COL; i++) { ...
int** array = (int**)malloc(ROW*sizeof(int*)); int* data = (int*)malloc(ROW*COL*sizeof(int)); // initialize the data for (int i=0; i<ROW*COL; i++) { data[i] = i; } // initialize the array for (int i=0; i<ROW; i++) { ...
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#include <stdio.h> #define MAX_SIZE 100 // Define the maximum size of the queue int queue[MAX_SIZE]; // Declare an array to store queue elements int front = -1; // Initialize front of the queue int back = -1; // Initialize back of the queue // Function to insert an element ...