write a program to print even number between 1 to 20 by using do while loop.
#include<stdio.h>
#include<conio.h>
int main()
{
int i=2;
do
{
printf("%d\n",i);
i=i+2;
}
while(i<=20);
return 0;
}
write a program to allocate the memory dynamically using malloc.
#include<stdio.h> #include<conio.h> #include<stdlib.h> int main() { int i,n; int *ptr; printf("enter the no. of elements\n"); scanf("%d",&n); ptr=(int*)malloc(n*sizeof(int)); printf("memory allocated\n"); for(i=0;i<n;i++) { ptr[i]=i+1; } printf("elements in the array are\n"); for(i=0;i<n;i++) { printf("%d\n",ptr[i]); } return 0; }
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