#dynamicarray

#include<stdio.h> #include<stdlib.h>

void swap(int* var1, int* var2); void printArray(int* ptr, int size); void sort(int* ptr, int size);

int main(void){    int size, i; int* ptr;    printf("Enter size of array: ");    scanf("%d",&size);    ptr = (int*)calloc(size, sizeof(int));    for(i = 0; i < size; i++){        printf("\nEnter element %d: ",(i+1));        scanf("%d",&ptr[i]);    }    printf("\nArray before sorting\n");    printArray(ptr, size);    sort(ptr, size);    printf("\nArray after sorting\n");    printArray(ptr, size);    return 0; }

void swap(int* var1, int* var2){    int temp;    temp = *var1;    *var1 = *var2;    *var2 = temp; }

void printArray(int* ptr, int size){    int i;    for(i = 0; i < size; i++)        printf("%d\t",ptr[i]); }

#include<stdio.h> #include<stdlib.h>

void swap(int* var1, int* var2); void printArray(int* ptr, int size); void sort(int* ptr, int size);

int main(void){    int size, i; int* ptr;    printf("Enter size of array: ");    scanf("%d",&size);    ptr = (int*)calloc(size, sizeof(int));    for(i = 0; i < size; i++){        printf("\nEnter element %d: ",(i+1));        scanf("%d",&ptr[i]);    }    printf("\nArray before sorting\n");    printArray(ptr, size);    sort(ptr, size);    printf("\nArray after sorting\n");    printArray(ptr, size);    return 0; }

void swap(int* var1, int* var2){    int temp;    temp = *var1;    *var1 = *var2;    *var2 = temp; }

void printArray(int* ptr, int size){    int i;    for(i = 0; i < size; i++)        printf("%d\t",ptr[i]); }

this little code text in C++ i wrote it before, i guess last year, first year in c++. within i create a pointer which address an array created instantly. and this array got a size, so we can change easily. look belove and enjoy it: