#dynamic memory allocation

Dynamic Memory Allocation in C

C is a language with some fixed rules of programming. For example: changing the size of an array is not allowed. Dynamic Memory Allocation: Dynamic memory allocation is a way to allocate memory to a data structure during the runtime we can use DMA function available in C to allocate and free memory during runtime. Function for DMA in C Following functions are available in C to perform dynamic…

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Dynamic Memory Allocation:-

Every program allocates memory during the runtime and load time, but how much memory will be allocated during the runtime is called dynamic memory allocation.

If the size is decided during the compile time only that called static memory allocation.

Entire 4GB memory is split into two parts such as lower 3GB memory is called as user space and upper 1GB memory is called…

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C program to find the sum of array using Dynamic Memory Allocation

/* Write a C program to find the sum of two one-dimensional arrays using Dynamic Memory Allocation */

#include <stdio.h> #include <alloc.h> #include <stdlib.h> void main() { int i,n; int *a,*b,*c; printf("How many Elements in each array...\n"); scanf("%d", &n); a = (int *) malloc(n*sizeof(int)); b = (int *) malloc(n*sizeof(int)); c =( int *) malloc(n*sizeof(int)); printf("Enter Elements of First List\n"); for(i=0;i<n;i++) { scanf("%d",a+i); } printf("Enter Elements of Second List\n"); for(i=0;i<n;i++) { scanf("%d",b+i); } for(i=0;i<n;i++) { *(c+i) = *(a+i) + *(b+i); } printf("Resultant List is\n"); for(i=0;i<n;i++) { printf("%d\n",*(c+i)); } }

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