Printing 7table using malloc and realloc

 #include<stdio.h>

#include<stdlib.h>

int main(){

    int *ptr;

    ptr = (int*) malloc(10*sizeof(int));

    for(int i=0; i<10;i++){

        ptr[i] = 7*(i+1);  

        printf("The value of 7 X %d = %d \n", i+1,ptr[i]); 

    }

 

    ptr = realloc(ptr, 15*sizeof(int));

    printf("\nAfter reallocating.....\n\n");

    for(int i=0; i<15;i++){

        ptr[i] = 7*(i+1);  

        printf("The value of 7 X %d = %d \n", i+1,ptr[i]); 

    }

    

    return 0;

}