/******************************************************************************
https://www.onlinegdb.com/online_c_compiler
*******************************************************************************/

#include <stdio.h>
#include <string.h>

int w_last=0;
int w_new=50000;
int w_corr=0;
int w_delta=0;

int main()
{
    w_delta=w_new-w_last;
    w_corr=w_new;

    printf("w_last %i\n", w_last);
    printf("w_new %i\n", w_new);
    printf("w_delta %i\n\n", w_delta);

    if (w_delta > 400 || w_delta < 10) {
      if (w_last > 10) {
        w_corr=w_last;
      }
      w_delta=0;
    }
    w_last=w_corr;
    
    printf("w_last %i\n", w_last);
    printf("w_corr %i\n", w_corr);
    printf("w_delta %i\n", w_delta);

    return 0;
}