Use the entire RAM space using dynamic memory allocation. Will also display the memory it is using.

Flooding_RAM.c

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

/*Struct flood require 256*4=1Kb */

struct flood{
long int a[256];
}*temp;

void main()
{
    long int k=sizeof(struct flood);

    while(1)
    {
        temp=(struct flood *)malloc(sizeof(struct flood));
        printf("%0.2f Mb\n",(float)k/(1024*1024));
        k=k+1024;
        if(temp==NULL)
            printf("Memory Full\n");
    }
}